CN1132079C - Electronic timepiece - Google Patents

Electronic timepiece Download PDF

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Publication number
CN1132079C
CN1132079C CN 98102906 CN98102906A CN1132079C CN 1132079 C CN1132079 C CN 1132079C CN 98102906 CN98102906 CN 98102906 CN 98102906 A CN98102906 A CN 98102906A CN 1132079 C CN1132079 C CN 1132079C
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CN
China
Prior art keywords
date
printed pattern
contact point
rotation
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 98102906
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Chinese (zh)
Other versions
CN1204790A (en
Inventor
中岛健一
稻田昭彦
里馆贵之
石井满
间峠彰弘
小山义夫
铃木重男
河田正幸
佐佐木裕子
高桑江利子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP10944597A external-priority patent/JP3165070B2/en
Priority claimed from JP10086710A external-priority patent/JP3002969B2/en
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of CN1204790A publication Critical patent/CN1204790A/en
Application granted granted Critical
Publication of CN1132079C publication Critical patent/CN1132079C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/12—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G04C17/0066—Indicating the time optically by electric means by discs with date indication electromagnetically driven, e.g. intermittently

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)

Abstract

Provided is an electronic timepiece enabling reliable detection of a state of rotation of an indication wheel. An ultrasonic motor 1130 has an ultrasonic rotor pinion 1134b. A date dial 1120 is disposed on a main plate 1102 in such a way as to rotate relative thereto. The ultrasonic rotor pinion 1134b is meshed with an intermediate date driving gear wheel 1142a. A date driving wheel 1150 is rotatably disposed on the main plate 1102. A date driving gear wheel 1150b is meshed with an intermediate date driving pinion 1142b. A date driving gear portion 1150b is meshed with a dial gear portion 1120a. A contact point spring 1160 is disposed on a spring guiding portion 1150d. The contact point spring 1160 rotates integrally with the date driving wheel 1150 through the rotation of the date driving wheel 1150. The state of rotation of the date driving wheel 1150 can be detected by contact of the contact point spring 1160 with the contact point pattern 1174.

Description

Electronic watch
Technical field
The present invention relates to a kind of electronic watch, it has a power wheel device for detecting rotational position, is used for detecting a train that is included in electronic watch and for example falls a power wheel in positive system or the calendar train along the position of sense of rotation.
Background technology
In the electronic watch of routine, as shown in figure 38, the part in the positive train 930,24 hours of position of rotation that for example are used to detect positive train 930 are formed on hour wheel by contact 932.When 24 hours contact points 930 detect with instantaneous corresponding position 12 of nights, according to detection signal by contact point 932 outputs in 24 hours, the driving motor 936 on 934 rotation dates an of circuit unit.Because CD-ROM drive motor 936 rotations on date make 912 rotations of date display disc through deceleration train 938.Enable to change the date of demonstration.
In the electronic watch of above-mentioned routine, in zone, a conductive pin is housed near the neighboring part of the gear parts of hour wheel.And its configuration makes when hour wheel is rotated, this conductive pin mobile access point reed, this contact point is contacted with contact point printed pattern on the circuit unit, and when hour wheel is further rotated, conductive pin moves with the contact point reed and separates, and causes the contact point spring to move with contact point printed pattern on the circuit unit and separates.Be the contact point reed corresponding to 24 hours contact points 932, with and configuration make the contact point reed when contact point printed pattern on the circuit unit contacts, detect and the correspondence position during 12 of nights.
In addition, in a kind of like this structure, promptly wherein pass through the rotation of intermediate date driving wheel owing to the rotation of date CD-ROM drive motor, make the date driving wheel rotation, and, utilize a round-arced tooth structure that comprises one or more circular arc shaped portion to constitute the toothing of the gear separately in intermediate date driving wheel, date driving wheel and the date display disc because the rotation of date driving wheel makes date display disc rotation.
Therefore, for example impact to put on the date during display disc when an external force, owing to only be subjected to the transposition torque of date indication with motor, the date display disc is stopped.
Yet, in the electronic watch of routine, have following problem.
(1) because the contact point reed is to constitute by being easy to crooked material, is difficult to the location with the contacted part of contact chip printed pattern in the contact point reed.
(2) to have enough contact point reeds of big length of spring leaf in order disposing, in electronic watch, to need sizable space.
(3) when in the contact point reed with the contacted part of contact point printed pattern be configured in one than need apart from the farther position of contact point printed pattern the time, be exactly when hour wheel is rotated, the contact point reed can not return in the conductive pin effect and contact with contact point printed pattern on the circuit unit, causes time showing or date to show and becomes and can not accurately accomplish.
(4) when in the contact point reed with the contacted part of contact point printed pattern be configured in one than need apart from the nearer position of contact point printed pattern the time, the pressure that the contact point reed is applied on the conductive pin when hour wheel is rotated uprises, cause forming chance, can produce some inconvenience in the electronic watch running, perhaps electronic watch can stop inadequately.
(5) wheel construction becomes complicated the time, causes needs to come with the contact point reed with enough length of spring leaf.
(6) in the conventional electrical table of calendar is housed, in the part of positive train, be provided with 24 hours contact points that are used to detect the position of rotation of positive train, by there being some trains to be configured between positive train and the date display disc, owing to the return difference between two adjacent trains among each train, be difficult to realize the accurate position consistency of date display disc.
(7) be difficult to improve to the degree of accuracy of hour wheel along the position probing of sense of rotation.
(8) for example impact when being applied on the electronic watch indicator wheel or the date display disc may rotate when external force.In order to move the formation position that prevents the date display disc, need to increase motor transposition torque (a kind of stabilization power :) when being in the power (square) that stops rotation when leaving standstill.Yet, when increasing the transposition torque of motor, cause that required electric power also can increase when driving motor, thus in the electronic watch life-span of accumulator can reduce.
Summary of the invention
According to above-mentioned, the purpose of this invention is to provide a kind of electronic watch, it has power wheel position of rotation detecting unit, can solve the problem of above-mentioned common generation, accurately detects the position along sense of rotation of power wheel.
In addition, another object of the present invention provides a kind of electronic watch, and its size has power wheel position of rotation detecting unit for a short time.
In addition, a further object of the present invention provides a kind of electronic watch, and its size is little and thin, has power wheel position of rotation detecting unit.
In addition, a further object of the present invention provides a kind of electronic watch, and it has power wheel position of rotation detecting unit, and contact point wherein has durable high-performance.
In addition, a further object of the present invention provides a kind of electronic watch, and it is equipped with the date driving mechanism and the indicator wheel testing agency of undersized simplification.
In addition, a further object of the present invention provides a kind of electronic watch, even wherein an external force is for example impacted and can not be made indicator wheel or date display disc rotation when being applied on the electronic watch.
In order to address these problems, the present invention constitutes like this, and electronic watch promptly according to the present invention comprises: a rotor wheel, rotate according to the rotation of the train of holding in electronic watch; One contact point reed is fixed on the power wheel and with the whole rotation of power wheel and have electric conductivity; Printed pattern is used in one detection, is formed on the printed circuit board (PCB), can contact with the contact point reed when the contact point reed rotates; And control circuit, input has a rotation position detection signal along the position of rotation of circumference that is used to detect power wheel, and this detection signal is exported with printed pattern by detection when the contact point reed contacts with printed pattern with detection.Utilize this structure, use small size and simpler parts just can detect the power wheel position of rotation.
By this structure, available undersized simple components detects the turned position of delivery wheel.
In addition, in electronic watch according to the present invention, best detection comprises with printed pattern: two detection printed pattern parts, and they can contact with this contact point reed simultaneously when the contact point reed rotates; And control circuit, its input has each to be used to detect the rotation position detection signal along the position of rotation of circumference of power wheel, this detection signal is when utilizing the contact point reed to make two detections with printed pattern each other during conducting, respectively by two detections with printed pattern output.
Utilize this structure, can detect the position of rotation of power wheel reliably.
In addition, best in electronic watch according to the present invention, detection comprises with printed pattern: two detection printed pattern parts, and when the contact point reed rotated, they can contact with the contact point reed simultaneously; And the printed pattern of non-functional, they are respectively formed at two detections with not having measuring ability between the printed pattern; And control circuit, its input has each to be used to detect the rotation position detection signal along the position of rotation of circumference of power wheel, this detection signal is when utilizing the contact point reed to make two detections with printed pattern each other during conducting, respectively by two detections with printed pattern output.
Utilize this structure, can improve the durable service time of the printed pattern on the printed circuit board (PCB).
In addition, the present invention constitutes like this, and electronic watch promptly according to the present invention comprises: a power wheel, and its rotation according to the train of holding in electronic watch is rotated; One contact point reed is fixed on the power wheel with the whole rotation of power wheel and has electric conductivity; And first detect to detect with printed pattern and second and use printed pattern, and they are formed on the printed circuit board (PCB), can contact with the contact point reed when the contact point reed rotates; Therefore its design make contact point reed and first detect with printed pattern and second detect with printed pattern can form, first detected state, only make first detection can produce the rotation position detection signal that is used to detect power wheel along the position of rotation of circumference with printed pattern; Second detected state only makes second to detect with printed pattern and can produce the rotation position detection signal along the position of rotation of circumference that is used to detect power wheel; The 3rd detected state detects with printed pattern first and second and can produce the rotation position detection signal along the position of rotation of circumference that is used to detect power wheel simultaneously; And also comprise: control circuit is used to determine: the situation that occurs the 3rd detected state after detecting first detected state immediately; And the situation that after detecting second detected state, occurs the 3rd detected state immediately, determine that both of these case is by distinguishing realization between two kinds of situations.
In addition, in electronic watch according to the present invention, best, control circuit designs like this, makes to determine that when the third state occurring immediately after detecting first detected state the sense of rotation of power wheel is a direct rotational direction; And the sense of rotation that can determine power wheel when the third state occurring immediately after detecting second detected state is the despining direction,
In addition, in electronic watch according to the present invention, best, printed circuit board (PCB) also comprises: a VDD printed pattern, and it is connected on the current potential in the power supply; And the contact point reed has 3 terminal contact portions, they can detect with printed pattern, second with first detection and contact with printed pattern and VDD printed pattern, therefore can design to such an extent that this contact point reed, first detection can be formed with printed pattern with the printed pattern and second detection: first detected state, wherein at least one terminal contact portion contacts with the VDD printed pattern, and other terminal contact portion only contacts with printed pattern with first detection; Second detected state, wherein at least one terminal contact portion contacts with the VDD printed pattern, and other terminal contact portion only contacts with printed pattern with second detection; The 3rd detected state, wherein at least one terminal contact portion contacts with the VDD printed pattern, and other terminal contact portion and first and second detects and contacts with printed pattern; Control circuit design like this makes: the sense of rotation that can be defined as power wheel when occurring the 3rd detected state immediately after detecting first detected state is a direct rotational direction, and the sense of rotation that can be defined as power wheel when occurring the 3rd detected state immediately after detecting second detected state is the despining direction.
Utilize this structure, can accurately determine the sense of rotation of power wheel.
In addition, the present invention constitutes like this, and promptly according to electronic watch of the present invention, a kind of electronic watch with the function of showing date comprises: time signal generation circuit is used for by to counting the generation time signal with the data of time correlation; Time indication motor drive circuit, output one are used for the time indication motor drive signal of time indication with motor; Time indication motor is according to being rotated by the time indicative signal of time indication with motor drive circuit output; Time indication train is rotated with the rotation of motor according to the time indication, and the time data display element is according to the rotation display time data of time indication train; The date signal generating circuit produces the date signal by the data relevant with the date are counted; Date indication motor drive circuit is used to rotate the date indication motor drive circuit of date indication with motor according to the date signal output by date signal generating circuit output; Date indication motor is according to being rotated with the date indicator signal of motor drive circuit output by the date indication; Date indication train is rotated with the rotation of motor according to the date indication; The date data display element is according to the rotation of the date indication train data that show date; Date drives to begin to detect uses the contact point element, according to the initial time point of rotation detection date driving of date indication train; Date driving termination detects and uses the contact point element, detects the time point of date driving termination according to the rotation of date indication train; The date Drive and Control Circuit, drive initial detection the initial relevant signal that drives with the date by input by the date with the output of contact point element, and drive to stop detect with driving with the date of contact point element output by the date by input and to stop relevant signal, control this output date indication and indicate driving circuit with the date of motor drive signal.
Utilize this structure, the electronic watch that calendar is housed can be showed date reliably.
In electronic watch according to the present invention, preferably the date indication is made of ultrasonic motor with motor.
In addition, in electronic watch according to the present invention, best, the date drives initial detection and is contained on the 24 little hour wheels of rotating according to hour wheel with the contact point element, and the date drives to stop detecting and is contained in one with the contact point element and indicates on the date driving wheel that rotates with the rotation of motor according to the date.
In addition, the present invention constitutes like this, and promptly according to electronic watch of the present invention, a kind of electronic watch with the function of showing date comprises: time signal generation circuit produces the date signal by the data relevant with the date are counted; Ultrasonic motor driving circuit is according to the ultrasonic motor driving signal that is used to drive ultrasonic motor by the date signal output one of time signal generation circuit output; Ultrasonic motor, comprise one and be bonded with ultrasonic motor driving signal utilization that the ultrasonic motor of piezoelectric element and a ultrasound wave rotor produce by piezoelectric element according to input on it because the expansion of piezoelectric element and be contracted in the wave of oscillation that produces in the ultrasound wave rotor and carry out friction gearing; The calendar train is owing to the rotation of ultrasonic type rotor is rotated; Date is dialled finger, owing to the rotation of calendar train is rotated; The date display disc is dialled the rotation of finger and is rotated owing to the date, and therefore indicates the date; One power wheel is owing to the rotation of ultrasound wave rotor is rotated; The contact point reed is fixed on the power wheel with the whole rotation of power wheel and has electric conductivity; Detect and use printed pattern, be formed on the printed circuit board (PCB), when the contact point reed rotates, can contact with the contact point reed; And control circuit, input is useful on the rotation position detection signal along the position of rotation of circumference that detects power wheel, and this detection signal is exported with printed pattern by detection when the contact point reed contacts with printed pattern with detection.
In addition, the present invention constitutes like this, and promptly according to electronic watch of the present invention, a kind of electronic watch with the function of showing date comprises: time signal generation circuit, and it produces the date signal by the data relevant with the date are counted; Ultrasonic motor driving circuit is according to the ultrasonic motor driving signal that is used to control the ultrasonic motor running by the date signal output of time signal generation circuit output; Ultrasonic motor, comprise: one is bonded with the ultrasound wave stator of piezoelectric element on it, and the ultrasound wave rotor, the ultrasonic motor driving signal utilization that it produces according to the voltage electric device of input is because the expansion of piezoelectric element and be contracted in the wave of oscillation that produces in the ultrasound wave stator and carry out friction-type and drive; The calendar train is rotated and is had a date and dial finger, date indicator wheel owing to the rotation of ultrasound wave rotor, dials the rotation of finger owing to the date and rotates, and therefore indicate the date; One power wheel is included in the calendar train, owing to the rotation of ultrasound wave rotor is rotated; The contact point reed is fixed on the power wheel and with the whole rotation of power wheel and have electric conductivity; Detect and use printed pattern, shape can contact with contact point one reed when the contact point reed rotates on printed circuit board (PCB); And control circuit, input is useful on the rotation position detection signal along the position of rotation of circumference that detects power wheel, and this detection signal is exported with printed pattern by detection when the contact point reed contacts with printed pattern with detection.
In addition, the present invention constitutes like this, and promptly according to electronic watch of the present invention, a kind of electronic watch with indicator wheel comprises: motor is used to rotate indicator wheel; Rotating element is used for rotating indicator wheel according to the rotation of motor; Rotation detecting is used for the signal relevant with the rotation status of indicator wheel according to the rotation generation of rotating element; And motor drive, be used for rotation according to the rotating signal control motor that produces by rotation detecting.
In electronic watch according to the present invention, rotating element comprises: the intermediate date driving wheel, rotate according to the rotation of motor; And date driving wheel, rotate according to the rotation of intermediate date driving wheel.About this rotating element, this intermediate date driving wheel can be one, two or more.
Indicator wheel is the element of the indication data relevant with time or calendar, for example is a date display disc or day indicator.
In electronic watch according to the present invention, preferably rotation detecting comprises: be formed on contact point reed and a plurality of contact point printed pattern on the rotating element, it is used for detecting the rotation status of rotating element by contacting with the contact point reed.
Utilize the structure that forms like this, can detect the rotation of indicator wheel reliably.
In addition, the rotation testing agency size in this indicator wheel is little.
In addition, best in electronic watch according to the present invention, its design motor adopts ultrasonic motor, and motor drive output is used to drive the drive signal of ultrasonic motor.
When forming such structure, do not need to adorn some deceleration trains, therefore, can provide the undersized electronic watch that indicator wheel is housed.
In addition, motor can be step motor or electromagnetic motor.
In addition, in electronic watch according to the present invention, best, this indicator wheel or date display disc have some internal tooths, its number is corresponding to the content of indication, and date location pogo stick is housed, and is used for regulating the position along sense of rotation of indicator wheel or date display disc by it is meshed with this internal tooth; Rotating element is equipped with 4 dates that are used to rotate this indicator wheel or date display disc dials finger, design to such an extent that make date location pogo stick can regulate the position along sense of rotation of indicator wheel or date display disc, one of them internal tooth of indicator wheel or date display disc can be positioned on the rotation center and the straight line of the rotation center of rotating element by this indicator wheel or date display disc.
4 dates are dialled in the finger two positions under the state that ultrasonic motor or motor stop, and are symmetrical with respect to the straight line as the axis of symmetry.
And best in electronic watch according to the present invention, during the proper rotation of its design, the date dials finger and can rotate this indicator wheel or date display disc, even when indicator wheel or date display disc rotate, the date dials finger and can not be rotated.
In addition, in electronic watch according to the present invention, best, design to such an extent that dial being meshing with each other between the finger by internal tooth in the date display disc and date, and because the transposition torque of ultrasonic motor or motor, even when the same day, index futures showed disc spins, the date dials finger and can not be rotated.
In addition, best in electronic watch according to the present invention, the date dials finger and has the locking teeth structure at its fore-end.
By forming such structure, a kind of electronic watch that can reduce the transposition torque of ultrasonic motor or motor can be provided, and when being subjected to impacting, can prevent the rotation of indicator wheel or date display disc effectively.
Description of drawings
Fig. 1 is the schematic plan view (view that be open upwards) of expression according to the part of the calendar mechanism among the embodiment of electronic watch of the present invention.
Fig. 2 is the schematic cross-sectional views of expression according to the part of the calendar mechanism among this embodiment of electronic watch of the present invention.
Fig. 3 is the schematic cross-sectional views of expression according to the calendar mechanism part with another kind of structure among this embodiment of electronic watch of the present invention.
Fig. 4 is the block schematic diagram of expression according to the part of the calendar mechanism among this embodiment of electronic watch of the present invention.
Fig. 5 is the block schematic diagram of expression according to the part of the calendar mechanism among another embodiment of electronic watch of the present invention.
Fig. 6 is the schematic cross-sectional views of expression according to the part of the calendar mechanism among described another embodiment of electronic watch of the present invention.
Fig. 7 is the block schematic diagram of expression according to the part of the calendar mechanism among the embodiment again of electronic watch of the present invention.
Fig. 8 is the schematic cross-sectional views of expression according to the part of the calendar mechanism among the described embodiment again of electronic watch of the present invention.
Fig. 9 is the block schematic diagram of expression according to the part of the calendar mechanism among the another embodiment of electronic watch of the present invention.
Figure 10 is the schematic cross-sectional views of expression according to the part of the calendar mechanism among the described another embodiment of electronic watch of the present invention.
Figure 11 is the block schematic diagram of expression according to the part of the calendar mechanism among the another embodiment of electronic watch of the present invention.
Figure 12 is the schematic plan view (view that be open upwards) of expression according to the part of the calendar mechanism among the described another embodiment of electronic watch of the present invention.
Figure 13 is the schematic cross-sectional views of expression according to the part of the calendar mechanism among the described another embodiment of electronic watch of the present invention.
Figure 14 is the schematic plan view (view that is open upwards) according to the part of the face side among this embodiment of electronic watch of the present invention.
Figure 15 is the schematic plan view (view that be open upwards) of expression according to the part of the reverse side among this embodiment of electronic watch of the present invention.
Figure 16 is the local schematic cross-sectional views of expression according to this embodiment of electronic watch of the present invention.
Figure 17 is the local schematic cross-sectional views of expression according to this embodiment of electronic watch of the present invention.
Figure 18 is the local schematic cross-sectional views of expression according to this embodiment of electronic watch of the present invention.
Figure 19 is the local schematic cross-sectional views of expression according to this embodiment of electronic watch of the present invention.
Figure 20 is the local schematic cross-sectional views of expression according to this embodiment of electronic watch of the present invention.
Figure 21 is the partial plan layout of expression according to first structure of the part of the contact point in the electronic watch of the present invention.
Figure 22 is the schematic partial sectional view of expression according to first structure of this contact point part in the electronic watch of the present invention.
Figure 23 is the schematic partial sectional view of expression according to the use of the contact point reed in first structure of this contact point part in the electronic watch of the present invention.
Figure 24 is the partial plan layout of expression according to second structure of this contact point part in the electronic watch of the present invention.
Figure 25 is the schematic partial sectional view of expression according to the use of the contact point reed in second structure of this contact point part in the electronic watch of the present invention.
Figure 26 is the schematic partial sectional view of expression according to the use of the contact point reed in the remodeling of second structure of this contact point part in the electronic watch of the present invention.
Figure 27 is the partial plan layout of expression according to the 3rd structure of the part of the contact point in the electronic watch of the present invention.
Figure 28 is the partial plan layout of expression according to the 4th structure of the part of the contact point in the electronic watch of the present invention.
Figure 29 is the partial plan layout of expression according to the contact point reed structure that uses in the 4th structure partly of the contact point in the electronic watch of the present invention.
Figure 30 is the partial plan layout of expression according to the structure of the circuit printed pattern that uses in the 4th structure partly of the contact point in the electronic watch of the present invention.
Figure 31 is expression is rotated in the forward use according to the 4th structure edge of the part of the contact point in a electronic watch of the present invention partial plan layout.
Figure 32 concerned synoptic diagram at one time, the time relationship when it is rotated in the forward use corresponding to the 4th structure edge when the part of the contact point in the electronic watch according to the present invention.
Figure 33 is the partial plan layout that expression is used along the reverse rotation direction according to the 4th structure of the part of the contact point in the electronic watch of the present invention.
Figure 34 concerned synoptic diagram at one time, and it is corresponding to when the 4th structure of the contact point in the electronic watch according to the present invention part time relationship when the reverse rotation direction is used.
Figure 35 is the calcspar that is used for the drives structure of ultrasonic motor among expression this embodiment according to electronic watch of the present invention.
Figure 36 is the planimetric map of expression according to the ultrasound wave stator in the ultrasonic motor among this embodiment of electronic watch of the present invention.
Figure 37 is the sectional drawing of expression according to the ultrasound wave stator in the ultrasonic motor among this embodiment of electronic watch of the present invention.
Figure 38 is the block schematic diagram of the structure of expression conventional electrical table.
Figure 39 is the schematic plan view of expression according to the structure of the reverse side among the described another embodiment of electronic watch of the present invention.
Figure 40 is expression drives each self-structure of testing agency according to indicator wheel driving mechanism among the described another embodiment of electronic watch of the present invention and indicator wheel a schematic partial sectional view.
Figure 41 is the schematic partial sectional view of expression according to each self-structure of date driving wheel among the described another embodiment of electronic watch of the present invention and contact point reed.
Figure 42 be expression according among the described another embodiment of electronic watch of the present invention when contact point is in " connection " state the schematic partial sectional view of the mutual relationship between contact point reed and the effective contact point printed pattern.
Figure 43 be expression according among the described embodiment again of electronic watch of the present invention when contact point is in " disconnection " state the schematic partial sectional view of the mutual relationship between contact point reed and the effective contact point printed pattern.
Figure 44 is the schematic plan view of expression according to the structure of face side among the described embodiment again of electronic watch of the present invention.
Figure 45 is the schematic partial sectional view of expression according to the front wheel train structure among the described embodiment again of electronic watch of the present invention.
Figure 46 is the described again calcspar of an embodiment of expression according to electronic watch of the present invention.
Figure 47 is the calendar mechanism part of finger is dialled in expression according to the date that is equipped with first structure among the 8th embodiment of an electronic watch of the present invention schematic plan view.
Figure 48 is a schematic plan view of representing to dial according to the date that is equipped with first structure among the 8th embodiment of electronic watch of the present invention the calendar mechanism part of finger, and described state is that the date display disc is rotated counterclockwise by the external force edge.
Figure 49 is a schematic plan view of representing to dial according to the date that is equipped with first structure among the 8th embodiment of electronic watch of the present invention the calendar mechanism part of finger, and shown state is that the date display disc is turned clockwise by the external force edge.
Figure 50 is the calendar mechanism part of finger is dialled in expression according to the date that is equipped with second structure among the 8th embodiment of an electronic watch of the present invention schematic plan view.
Figure 51 is a schematic plan view of representing to dial according to the date that is equipped with second structure among the 8th embodiment of electronic watch of the present invention the calendar mechanism part of finger, and shown state is that the date display disc is rotated counterclockwise by the external force edge.
Figure 52 is a schematic plan view of representing to dial according to the date that is equipped with second structure among the 8th embodiment of electronic watch of the present invention the calendar mechanism part of finger, and shown state is that the date display disc is turned clockwise by the external force edge.
Figure 53 is the calendar mechanism part of finger is dialled in expression according to the date that is equipped with the 3rd structure among the 8th embodiment of an electronic watch of the present invention schematic plan view.
Figure 54 is a schematic plan view of representing to dial according to the date that is equipped with the 3rd structure among the 8th embodiment of electronic watch of the present invention the calendar mechanism part of finger, and shown state is that the date display disc is rotated counterclockwise by the external force edge.
Figure 55 is a schematic plan view of representing to dial according to the date that is equipped with the 3rd structure among the 8th embodiment of electronic watch of the present invention the calendar mechanism part of finger, and shown state is that the date display disc is turned clockwise by external force edge.
Embodiment
(1) first embodiment
In Fig. 1 and 2, comprise a ultrasound wave rotor 102 according to the ultrasonic motor in the electronic watch 100 that calendar is housed of the present invention.Ultrasound wave rotor pinion 102b on this ultrasound wave rotor 102 is meshed with intermediate date driven wheel 104a on the intermediate date driving wheel 104.Intermediate date driving pinion 104b on the intermediate date driving wheel 104 is meshed with date driven wheel 106a on the date driving wheel 106.
One date dialled and refers to that 108 are contained on the date driving wheel 106, and rotated simultaneously with it by the rotation of date driving wheel 106.Should dial finger 108 as shown in fig. 1 the date can be 2 on the number, and perhaps its number is 1, or 3 or more.
Date display disc 110 with 31 date display disc tooth 110a is assembled in the mainboard 112 in rotatable mode.On the index plane 110c of date display disc 110, be shown with the numeral of from 1 to 31 (not shown).Battery 114 is installed in a side opposite with a side of installed date display disc 110.
One date location pogo stick 116 and date display disc keeper 118 whole formation.Adjusting part 116a in the date location pogo stick 116 regulates date display disc tooth 110a.Date location pogo stick 116 has a date pogo stick reed 116b.
In the another kind of structure shown in Fig. 3, ultrasound wave armature spindle 20 is fixed on the mainboard 112.
Ultrasound wave stator 122 is fixed on the ultrasound wave armature spindle 120.One piezoelectric element (not shown) is fixed on the ultrasound wave stator 122.Ultrasound wave rotor 102 is installed on the ultrasound wave armature spindle 120 in rotatable mode, and amplifies and to contact with comb teeth 122c with the displacement in the ultrasound wave stator 122.Ultrasound wave adds making leaf spring 124 compressing ultrasound wave rotors 102, so that apply elastic force to the displacement amplification with comb teeth 122c.
Intermediate date driving wheel 104 is assembled between mainboard 112 and the date display disc keeper 118 in rotatable mode.Ultrasound wave rotor pinion 102b in the ultrasound wave rotor 102 is meshed with intermediate date driven wheel 104a in the intermediate date driving wheel 104.Date driving wheel 106 is assembled in the mainboard 112 in rotatable mode.Intermediate date driving pinion 104b in the intermediate date driving wheel 104 is meshed with date driven wheel 106a in the date driving wheel 106.
Date dials and refers to that 108 are installed on the date driving wheel 106 and the rotation with it simultaneously owing to the rotation of date driving wheel 106.Date display disc 110 with 31 date display disc tooth 110a is assembled in the mainboard 112 in rotatable mode, is shown with the numeral of from 1 to 31 (not shown) on the index plane 110c of date display disc 110.
Then explain according to the working method that the electronic watch 100 of calendar is housed of the present invention.
Consult Fig. 4, control circuit 130 has a time signal generating circuit, is used for producing the date signal by the data relevant with time and date are counted; Also have a ultrasonic motor driving circuit in addition, it is according to the ultrasonic motor driving signal that is used to make the ultrasonic motor rotation by the date signal output of time signal generation circuit output.
Consult Figure 35, a piezoelectric element 802 that is formed with the two arrays of electrodes group on it bonds on the surface of ultrasound wave stator of the vibrating elements that constitutes ultrasonic motor, and every group of electrode 803a and 803b comprise a plurality of electrodes.Oscillation drive circuit 825 is connected on the electrode group 803a and 803b on the piezoelectric element 802.One phase inverter 812 is as anti-phase power amplifier, be used for to come self-electrode 803c or be formed on piezoelectric element 802 on have the surface opposite of electrode group 803a and 803b the electric signal as excited data of lip-deep ultrasound wave stator 122 carry out anti-phase amplification.Resistance 803 is in parallel with phase inverter 812, so that stablize the working point of phase inverter 812.
The output terminal of phase inverter 812 is connected to the input end of two impact damper 811a and 811b through resistance 814.The output terminal separately of two impact damper 811a and 811b is connected respectively on the electrode group 803a and 803b of piezoelectric element 802.One end of capacitor 815 is connected to the input end of phase inverter 812, and an end of capacitor 816 is connected to the output terminal of phase inverter 812 through resistance 814.Therefore capacitor 815 and 816 other end ground connection separately, can carry out phase adjusted in oscillation drive circuit 825 inside.
Phase inverter 812 and impact damper 811a and 811b have a control end and input and output side, are ternary structure therefore, make its output terminal be in high impedance status according to the signal variation that is input on the control end.
Just/reverse signal generating means 820 to an on-off circuit 826 output one just/reverse signal, be used for determining the sense of rotation of ultrasonic motor.The output terminal of on-off circuit 826 is connected to the three-state buffer 811a in the oscillation drive circuit 825 and the output terminal of 811b and three-state buffer 812.On-off circuit 826 make three- state buffer 811a and 811b one of them play common impact damper, and make it to block forbidding in high impedance status by another output wherein.
Utilization drives ultrasound wave stator 122 according to the three-state buffer that plays common impact damper effect of the output signal selection of on-off circuit 826.This ultrasound wave stator 122 is only driven by this three-state buffer that utilizes on-off circuit 826 to make it general impact damper effect, and when utilizing on-off circuit 826 to make it the three-state buffer exchange of general impact damper effect, the sense of rotation of ultrasonic motor is anti-phase.
This tristate inverter can place a kind of like this state, promptly according to the output of forwards/reverse signal generation apparatus 820 because the effect of the output signal of on-off circuit 826 makes the output terminal of tristate inverter have high impedance, and when therefore making the tristate inverter forbidding, two three- state buffer 811a and 811b are disabled, therefore ultrasonic motor are stopped.
Consult Figure 36 and 37, dish type piezoelectric element 802 utilizes bonding agent, film forming or alternate manner to bond on the flat surface of dish type ultrasound wave stator 122.Ultrasound wave produces the standing wave of two kinds of wavelength along the circumferencial direction excitation of ultrasound wave stator 122, so drives the ultrasound wave rotor.The electrode that quantitatively equals 8 fragments of 4 times of ultrasound wave quantity alternately is subjected to the polarization of (+) and (-), make every each electrode of one constitute on the flat surface in piezoelectric element 802 along the circumferential direction the first electrode group 803a and each electrode group of the second electrode group 803b, shown in Figure 36 and 37.
The first electrode group 803a comprises electrode a1, a2, a3 and a4, and each electrode utilizes the first circuit arrangement 814a to make it short circuit each other.The second electrode group 803b comprises electrode b1, b2, b3 and b4, and each electrode utilizes second circuit device 814b to make it short circuit each other.
In the accompanying drawings, (+) and (-) represents the direction of polarization, and positive electric field and negative electric field are applied to bonding on the ultrasound wave stator 122 so that carry out the gluing of surfaces side of polarization separately on the piezoelectric element 802 respectively.
On ultrasound wave stator 122 surfaces with each electrode in form a projection (comb teeth) 817 every one boundary member position adjacent place, be used to amplify the displacement of ultrasound wave stator and kinergety be delivered to the ultrasound wave rotor by the ultrasound wave stator.
The HF voltage that is produced by oscillation drive circuit 825 is applied to arbitrary group among two electrode group 803a and the 803b, so that drive ultrasound wave stator 122.In each electrode group which be the sense of rotation of ultrasonic motor utilize organize to drive according to ultrasound wave stator 122 and change.
Preferably, be used in according to the ultrasonic motor in the electronic watch that calendar is housed of the present invention and utilize this structure that comprises above-mentioned driving circuit, piezoelectric element and ultrasound wave stator to drive.Yet, also can utilize other structure to drive.
In the output count results is when being in zero point at night the time, and control circuit 130 is to ultrasonic motor (USM) 132 outputs one ultrasonic motor driving signal.Be that control circuit 130 constitutes like this,, be used for 360 °/31 angle is passed through in 110 rotations of date display disc, promptly with 1/31 of a week corresponding angle so that export a ultrasonic motor driving signal once a day.
130 pairs of year, month, day of control circuit and time count.And work as control circuit 130 output count results, show when the time is in general day zero point at night that control circuit 130 is to ultrasonic motor (USM) 132 outputs one and be somebody's turn to do general day corresponding ultrasonic motor driving signal.That is, control circuit 130 constitutes like this, so that export a ground sound wave motor drive signal once a day, is used to make the angle of date display disc 110 rotations 360 °/31, promptly corresponding to 1/31 the angle in a week.
When output result of calculation shows that the time is in 12 of nights in first day March in the time that this is not the leap year when 1997.3.1 (for example), control circuit 130 is to ultrasonic motor (USM) 132 outputs one and corresponding ultrasonic motor driving signal in first day March.Be that control circuit 130 constitutes like this, promptly Shu Chu ultrasonic motor driving signal is in order to the angle of date display disc 110 rotation by (360 °/31) * 4, promptly with the 4/31 corresponding angle in a week.Therefore, should with by " day " of date display disc 110 indication relevant data by with two months in changed into corresponding indicated value " 1 " on the firstth with March on 28th with corresponding indicated value " 28 ", and less than indication " 29 ", " 30 " and " 31 ".
In addition, when the count results of output shows that the time is in as 12 of nights in the first day March in the time in leap year, the corresponding ultrasonic motor driving signal on the firstth in the March of (for example 1 day March in 2000) control circuit 130 in ultrasonic motor (USM) 132 outputs one and leap year.Be that control circuit 130 constitutes like this, promptly Shu Chu ultrasonic motor driving signal is in order to the angle of date display disc 110 rotation by (360 °/31) * 3, i.e. an angle of 3/31 corresponding to a week.Therefore, with by " day " of date display disc 110 indication relevant data by with two months in the 29th day corresponding indicated value " 29 " change to three months in corresponding indicated value " 1 " on the firstth, less than indicating " 30 " and " 31 ".
In addition, when the output count results shows that the time is in 12 of nights of one day that last day (promptly the 30th day) with the even numbers moon be right after, for example May 1, control circuit 130 is to ultrasonic motor (USM) 132 outputs one and corresponding ultrasonic motor driving signal on May 1.Be that control circuit 130 constitutes like this, the ultrasonic motor driving signal of output makes the angle of date display disc 110 rotation by (360 °/31) * 2, i.e. an angle of 2/31 corresponding to a week.Therefore, the data relevant with " day " of date display disc 110 indication by with April in corresponding indicated value " 30 " on the 30th change into and corresponding indicated value on May 1 " 1 ", less than indicating " 31 ".
This spline structure can similar mode be applied to other embodiments of the invention.
By forming such structure, the electronic watch that calendar is housed of the present invention constitutes so-called " auto-calendar watch " or " perpetual calendar watch ".
Ultrasonic motor (USM) 132 comprises: the ultrasound wave stator and of a bonding piezoelectric element on it utilize the ultrasound wave rotor of wave of oscillation friction gearing, this wave of oscillation be by the input ultrasonic motor driving signal in the ultrasound wave stator since the expansion and the contraction of piezoelectric element produce.
At least be formed with two groups of electrode groups on the surface of piezoelectric element, every group comprises a plurality of electricity levels.Control circuit 130 has at least two power amplifiers, and the output terminal separately of amplifier connects two groups of electrode groups on the piezoelectric element respectively, and encourages, drives electrode separately respectively independently.
Ultrasound wave rotor in the ultrasonic motor (USM) 132 is according to the ultrasonic motor drive signal rotation that utilizes this electrode group input on the piezoelectric element.Because the rotation of ultrasound wave rotor, breast wheel are 104 rotations of intermediate date driving wheel.Because the rotation of intermediate date driving wheel 104, the date dials and refers to 108 rotations, and makes 110 rotations of date display disc.
It should be noted that the electronic watch that calendar is housed among the present invention can also be equipped with the calendar indicator wheel, be used to indicate other data relevant, for example " year ", " moon ", " what day ", " weekly 6 on ordinary days " or other with calendar.
For example, in the structure with what day display disc that is used for indication " what day ", this what day display disc (not shown) with 28 what day display disc tooth (not shown)s is assembled in the mainboard 112 in rotatable mode.
On the indication surface on the display disc what day is represented, be shown with 14 kinds of alphabet datas.I.e. " Getsu " (press Japanese Kanji character representation, indicate Monday---additional), " MON "; " Kah " (expression in a similar manner, indicate Tu.---additional) " TUE "; " Sui " (expression in a similar manner, indicate Wednesday---additional), " WED "; " Moku " (expression in a similar manner, indicate Thursday---additional) " THU "; " Kin " (expression in a similar manner, indicate Friday---additional), " FRI "; " Do " (expression in a similar manner, indicate Saturday---additional), " SAT "; And " Nichi " (expression in a similar manner, indicate Sun.---additional), " SOH ".
Control circuit 130 has a time signal generating circuit, be used for by the data relevant with what day with the time are counted the generation time signal, and has a ultrasonic motor driving circuit, it is according to by what day signal of the representative of time signal generation circuit output, and output is used for the ultrasonic motor drive signal of rotary ultrasonic ripple motor.
When the count results of output showed that the time is in 12 of nights, control circuit 130 was to ultrasonic motor (USM) 132 outputs one ultrasonic motor driving signal.Be that control circuit 130 constitutes like this, export a ultrasonic motor driving signal once a day, will indicate what day display disc to pass through 360 °/14 angle, be i.e. an angle of 1/14 corresponding to a week in order to rotation.
Therefore, if initially according to Japanese or English expression mode what day is set in advance, when needing, can indicate what day data by Japanese or English what day the wheel of indication that utilizes.
In addition, for example have be used for indicating month the moon display disc structure, the moon display disc (not shown) with 36 months display disc tooth (not shown)s is assembled in the mainboard 112 in rotatable mode.On the indication surface of moon display disc, be shown with 12 kinds of numerals of from 1 to 12 in proper order by three groups.Promptly be that " 1 to 12 ", " 1 to 12 " and " 1 to 12 " are shown with 36 numerals altogether in such a way.
Control circuit 130 has time signal generation circuit, be used for by the data counts with time correlation is produced the reflection signal of the moon, in addition, has a ultrasonic motor driving circuit, according to " moon " signal rotation ultrasonic motor by the output of time signal generation circuit.
When the count results of output showed that the time is in relevant month first day, control circuit 130 was to ultrasonic motor (USM) 132 outputs one ultrasonic motor driving signal.Be that control circuit 130 constitutes like this, once a day Shu Chu ultrasonic motor driving signal in order to moon display disc rotation by 360 °/36 angle, i.e. an angle of 1/36 corresponding to a week.
Therefore, utilize a month display disc can indicate any one month.
Utilize similar structure can also indicate year, what day or similar chronomere.
(2) second embodiment
Consult Fig. 5 and 6, according to the structure of ultrasonic motor in the electronic watch that calendar is housed of second embodiment of the invention with shown in Fig. 3 according to the ultrasonic motor structure similar in the electronic watch that calendar is housed of first embodiment of the invention.
Date driving wheel 106 is assembled in the mainboard 112 in rotatable mode.Ultrasound wave rotor pinion 102b on the ultrasound wave rotor 102 is meshed with date driven wheel 106a on the date driving wheel 106.
Date dial refer to 108 be contained on the date driving wheel 106 and since the rotation of date driving wheel 106 and its rotate simultaneously.Date display disc 110 with 31 date display disc tooth 110a is assembled in the mainboard 112 in rotatable mode.On the indication surface 110c of date display disc 110, be shown with from the numeral of " 1 to 31 ".
The electronic watch 200 that calendar is housed is equipped with date location pogo stick (not shown).This date display disc tooth 110a is partly regulated in adjusting in the date location pogo stick.
Below, explain according to the working condition that the electronic watch 200 of calendar is housed of the present invention.
Consult Fig. 5, control circuit 130 has a time signal generating circuit, is used for by producing the date signal to counting with the data of time correlation; And also have a ultrasonic motor driving circuit, according to date signal rotation ultrasonic motor (USM) 132 by the output of time signal generation circuit.
When the count results of output showed that the time is in 12 of nights, control circuit 130 was to ultrasonic motor (USM) 132 outputs one ultrasonic motor driving signal.Be that control circuit 130 constitutes like this, i.e. output ultrasonic wave motor drive signal once a day, in order to rotation date display disc 110 by 360 °/31 angle, i.e. an angle of 1/31 corresponding to a week.
The electrode group of utilizing piezoelectric element when the input ultrasonic motor driving signal, the ultrasound wave rotor in the rotary ultrasonic ripple motor (USM) 132.Because the rotation of ultrasound wave rotor, the date dials and refers to 108 rotations, makes 110 rotations of date display disc.
(3) the 3rd embodiment
Consult Fig. 7 and 8, the structure similar of the ultrasonic motor (USM) 132 in the structure of the ultrasonic motor in the electronic watch that calendar is housed 300 of a third embodiment in accordance with the invention and the electronic watch 100 that calendar is housed of the present invention shown in Fig. 3.
Date display disc 110 is assembled in the mainboard 112 in rotatable mode, and the ultrasound wave rotor pinion 102b on the ultrasound wave rotor 102 is meshed with date display disc tooth 110a.On the indication surface 110c of date display disc 110, be shown with from the numeral of " 1 to 31 " (not shown).
The electronic watch 300 that calendar is housed is equipped with date location pogo stick (not shown).Date display disc tooth 110a is partly regulated in adjusting in the date location pogo stick.
The explained later working condition that the electronic watch 300 of calendar is housed of the present invention.
Consult Fig. 7, control circuit 130 has a time signal generating circuit, is used for by producing the date signal to counting with the data of time correlation; Also have a ultrasonic motor driving circuit,, be used for rotary ultrasonic ripple motor (USM) 132 according to exporting a ultrasonic motor drive signal by the date signal of time signal generation circuit output.
When the count results of output showed that the time is in 12 of nights, control circuit 130 was to ultrasonic motor (USM) 132 outputs one ultrasonic motor driving signal.Be that control circuit 130 constitutes like this, output ultrasonic wave motor drive signal once a day, in order to rotation date display disc 110 by 360 °/31 angle, i.e. an angle of 1/31 corresponding to a week.
Utilize the electrode group ultrasound wave rotor in the rotary ultrasonic ripple motor (USM) 132 when the input ultrasonic motor driving signal on the piezoelectric element.Since the rotation of ultrasound wave rotor, 110 rotations of date display disc.
(4) the 4th embodiment
In Fig. 9 and 10, the ultrasonic motor axle 120 in the electronic watch that calendar is housed of a fourth embodiment in accordance with the invention is installed on the mainboard 112.Ultrasound wave stator 122 (USM stator) is fixed on the ultrasound wave armature spindle 120.The piezoelectric element (not shown) is fixed on the ultrasound wave stator 122.Displacement in date display disc 110 and the ultrasound wave stator 122 is amplified and is contacted with comb teeth 122c.This day phase display disc 110 constitutes ultrasound wave rotor 102.
The one ultrasonic making leaf spring 124 compressing date display discs 110 that add are so that apply elastic force to the displacement amplification with comb teeth 122c.
The electronic watch 400 that calendar is housed is equipped with date location pogo stick (not shown), and date display disc tooth 110a is partly regulated in the adjusting in the date location pogo stick.
Below, explain the working condition that the electronic watch 400 of calendar is housed of the present invention.
Consult Fig. 9, control circuit 130 has a time signal generating circuit, is used for producing the date signal by the data relevant with time and date are counted; Has a ultrasonic motor driving circuit in addition, according to exporting a ultrasonic motor driving signal, in order to rotary ultrasonic ripple motor by the date signal of time signal generation circuit output.
When the output count results showed that the time is in 12 of nights, control circuit 130 was to ultrasonic motor (USM) 132 outputs one ultrasonic motor driving signal.Be that control circuit 130 constitutes like this, export a ultrasonic motor driving signal once a day, in order to rotation date display disc 110 by 360 °/31 angle, i.e. an angle of 1/31 corresponding to a week.
It is one sticking by the ultrasound wave stator 122 that piezoelectric element is arranged on it that ultrasonic motor (USM) has.Utilize wave of oscillation friction gearing date display disc 110, this wave of oscillation in the ultrasound wave stator owing to make piezoelectric element expansion and shrink and produce by importing this ultrasonic motor driving signal.
(5) the 5th embodiment
Consult Figure 11 to Figure 13,24 hours contact points 532 of this train position of rotation of detection are housed according to the part of the electronic watch that calendar is housed in its positive train 530 of fifth embodiment of the invention.Wheel 550 had one 24 hours contact point reeds 532 in one 24 hours.Contact point reed 552 had two 24 hours contact point leaf end 552a and 552b in 24 hours.
Circuit unit 534 is formed with the printed pattern (not shown), and is consistent with a part of circumference along the track of the rotation of fore-end separately of 24 hours contact point leaf end 552a and 552b, is used as the mating part with 24 hours contact point leaf ends.Contact point reed 552 disposed by a kind of like this mode in 24 hours, and promptly this reed 552 can contact with the printed pattern (not shown) that matches with 24 hours contact point leaf ends on being used as circuit unit 534.
Wheel 550 was meshed with hour wheel 554 in 24 hours, and rotate a circle every day.Hour wheel 554 rotated a circle in per 12 hours, utilized the hour hands (not shown) indication that is installed on the hour wheel 554 hour.
Date driving wheel 106 is assembled in the mainboard 112 in rotatable mode.Date driving wheel 106 has constituted date driving deceleration train 560.Ultrasound wave rotor pinion 102b on the ultrasound wave rotor 102 in the ultrasonic motor is meshed with date driven wheel 106a in the date driving wheel 106.The ultrasonic motor 132 that comprises the ultrasound wave rotor constitutes date CD-ROM drive motor 562.
Date dials and refers to that 108 are contained on the date driving wheel 106 and the rotation thereupon simultaneously owing to the rotation of date driving wheel 106.Date display disc 110 with 31 date display disc tooth 110a is pivotally mounted in the mainboard 112.On the indication surface 110c of date display disc 110, be shown with the numeral of from 1 to 31 (not shown).Date display disc keeper 118 supports date display disc 110 in rotatable mode.
The electronic watch 500 that calendar is housed is equipped with date location pogo stick 116.Adjusting part 116a in the date location pogo stick 116 regulates date display disc tooth 110a.
Date driving wheel 106 has a date driving wheel contact point reed 556.Date driving wheel contact point reed 556 has two date driving wheel contact point leaf end 556a and 556b.
Circuit unit 534 is formed with the printed pattern (not shown), and is consistent with a part of circumference along the rotational trajectory of fore-end separately of date driving wheel contact point reed 556a and 556b, is used as the part that matches with date driving wheel contact point leaf end.Date driving wheel contact point reed 556 disposes by a kind of like this mode, and promptly this reed 556 can contact with the printed pattern as the part that matches with date driving wheel contact point leaf end in the circuit unit 534.Date driving wheel contact point reed 556 constitutes date driving contact point 564.
The explained later working condition that the electronic watch 500 of calendar is housed of the present invention.
When the count results of control circuit output showed that the time is in 12 of nights, 24 hours contact point reeds 552 contacted with the first printed pattern (not shown) on the circuit unit 534.At this moment, circuit unit 534 bases are by the ultrasound wave rotor 102 in the detection signal rotary ultrasonic ripple motor 132 of contact point reed 552 outputs in 24 hours.Since the rotation of ultrasound wave rotor, date driving wheel 106 rotations, and the date dials and refers to that 108 make 110 rotations of date display disc.Therefore, can change the date indication.
Phase on same day display disc 110 rotation is by 360 °/36 angle, 1/31 o'clock of promptly rotating a circle, and date driving wheel contact point reed 556 contacts with the second printed pattern (not shown) on the circuit unit 534.At this moment, according to the detection signal by 556 outputs of date driving wheel contact point reed, circuit unit 534 is ended the rotation of the ultrasound wave rotor in the ultrasonic motor 132.
Then, 24 hours contact point reeds 552 move with circuit unit 534 on first printed pattern be separated, date driving wheel contact point reed 556 move with circuit unit 534 on second printed pattern be separated.This state continuance goes down, arrive up to next day, this be because, control circuit is in a kind of like this state, promptly its result who exports counting once more shows that the time is in point at nights 12.
It should be noted that this drives beginning on date or time of ending needn't be strictly at point at nights 12, can be in a time prior to 12 times of night, perhaps time after 12 time at night.
By forming such structure, the date driving can accurately begin at the same time point of every day, and in addition, the position of date display disc can accurately be kept.Therefore, in the electronic watch that calendar is housed of the present invention, hardly may according on the date display disc, move on another day character day character the indication that carry out day of position.
(6) introduction of the detailed structure of contact point part and its working condition.
Below, detailed structure to the contact point in power wheel position of rotation detecting unit part makes an explanation, and this unit is used for detecting one and is included in and for example is the position of the power wheel in the train of positive train or calendar train along sense of rotation according to electronic watch of the present invention.
(6-1) first structure of contact point part
Consult Figure 21 and 22, power wheel 620 is assembled in the electronic watch in rotatable mode, and this power wheel 620 is included in and for example is parts in the train of positive train in the electronic watch or calendar train.Power wheel 620 for example is hour wheel, 24 little hour wheels, date driving wheel, intermediate date driving wheel etc.
Contact point reed 622 is fixed on the power wheel 620.Such formation of contact point reed 622 has conductive capability.For example, contact point reed 622 can by metal material for example stainless steel make, perhaps undertaken prefabricated by electroplating the surface that gold is attached to contact point reed 622.
Contact point reed 622 is formed with two contact point leaf end 622a and 622b.Contact point terminal part 622c is formed on the front end of contact point leaf end 622a, and contact point terminal part 622d is formed on the front end of contact point leaf end 622a.
One printed circuit board (PCB) 624 is assembled in the electronic watch, and A printed pattern 626 and B printed pattern 628 are formed on the surface of printed circuit board (PCB) 624.A, B printed pattern 626,628 are connected on the control circuit (not shown).When A printed pattern and B printed pattern each other during conducting, a rotation position detection signal input control circuit (not shown).
Contact point reed 622 in the rotation of power wheel with 630 basically straight line extend through power wheel 620.A printed pattern 626 and B printed pattern 628 distribute by a kind of like this mode, are bordering on 180 ° angle so that form one betwixt around the rotation center 630 of power wheel 620.Therefore, when power wheel rotates, a kind of like this state can occur, promptly wherein contact point terminal part 622c contacts with A printed pattern 626, and contact point terminal part 622d contacts with B printed pattern 628.At this moment, a rotation position detection signal is input to the control circuit (not shown).When power wheel 620 was further rotated, contact point terminal part 622c moved and A, and printed pattern 626 is separated.Contact point terminal part 622d moves with B printed pattern 628 and is separated.At this moment, no longer produce rotation position detection signal.
In addition, when power wheel 620 rotations, a kind of like this state can occur, promptly wherein contact point terminal part 622c contacts with B printed pattern 628, and contact point terminal part 622d contacts with A printed pattern 626.At this moment, a rotation position detection signal is input to the control circuit (not shown) once more.When power wheel 620 was further rotated, contact point terminal part 622c moved with B printed pattern 628 and separates, and contact point terminal part 622d moves with A printed pattern 626 and separates.At this moment no longer produce rotation position detection signal.
No matter work as power wheel 620 and rotate clockwise or counterclockwise, the working condition of contact point parts is identical.
In this structure, when power wheel 620 rotated a circle, twice to control circuit (not shown) input rotating position signal.Therefore, when this structure belonged to the per type that rotated a circle in 24 hours of power wheel 620, per 12 hours to control circuit (not shown) input rotation position detection signal.Under the situation that is changing the date indication, in the time of need counting 24 hours, control circuit will constitute like this, promptly to be provided with a counting circuit for control circuit, be used for the occurrence frequency of position of rotation (detection) generation signal is counted, therefore, when to twice input of control circuit rotation position detection signal, be used to change the signal of date indication by control circuit output.
As shown in Figure 23, contact point terminal part 622c rotates with respect to A printed pattern 626 along arrow 632 indicated directions around the rotation center 630 of power wheel 620.Therefore, when contact point terminal part 622c and this printed pattern disengaged, contact point terminal part 622c rotation contacted with the surperficial 624a of printed circuit board (PCB) 624 simultaneously.This 26S Proteasome Structure and Function is equally applicable to contact point terminal part 622d.
Utilize this structure, can utilize the position of rotation of the printed pattern detection power wheel of simple-arranged.
(6-2) second structure of contact point parts
Consult Figure 24, according to the identical mode of first structure of above-mentioned contact point, power wheel 620 is assembled in the electronic watch, contact point reed 622 is fixed on the power wheel 620.The structure of contact point reed 622 is identical with first structure at the contact point parts.
Printed circuit board (PCB) 624 is assembled in the electronic watch, is formed with A printed pattern 626 and B printed pattern 628 on the surface of printed circuit board (PCB) 624.A, B printed pattern 626,628 are connected on the control circuit (not shown).When A printed pattern 626 and B printed pattern 628 each other during conducting, import a rotation position detection signal to the control circuit (not shown).
A printed pattern 626 forms around the rotation center 630 of power wheel 620, through between for example about 30 a ° low-angle relatively opening zone.B printed pattern 628 forms around the rotation center 630 of power wheel 620, between the opening zone through for example about 320 a ° relative wide-angle.Therefore, when power wheel 620 rotations, can produce a kind of like this state, contact point terminal part 622c wherein contacts with the A printed pattern, and contact point terminal part 622d contacts with the B printed pattern.At this moment, import a rotation position detection signal to the control circuit (not shown).When power wheel 620 was further rotated, contact point terminal part 622c moved and separates with A printed pattern 626 and contact with B printed pattern 628, and contact point terminal part 622d also contacts with B printed pattern 628.At this moment, no longer produce rotation position detection signal.
And then, when power wheel 620 rotations, can produce a kind of like this state, promptly wherein contact point terminal part 622c contacts with B printed pattern 628, and contact point terminal part 622d contacts with A printed pattern 626.At this moment to control circuit (not shown) input rotation position detection signal.When power wheel 620 was further rotated, contact point terminal part 622c contacted with the B printed pattern, and contact point terminal part 622d moves to be separated with A printed pattern 626 and contacts with B printed pattern 628.At this moment no longer produce rotation position detection signal.
In this structure, when power wheel 620 rotated a circle, twice to control circuit (not shown) input rotation position detection signal.Therefore, when this structure belonged to the type that per 24 hours power wheels 620 rotate a circle, per 24 hours to control circuit (not shown) input rotation position detection signal.In the time need counting 24 hours under the situation that is changing the date indication, control circuit is to constitute like this, promptly to be provided with testing circuit for control circuit, be used to detect the generation of position of rotation generation signal, therefore, when to control circuit input rotation position detection signal, be used to change the signal that the date shows by control circuit output.
No matter when power wheel 620 along clockwise still when being rotated counterclockwise, the working condition of contact point parts is identical.
As shown in Figure 25, contact point terminal part 622c rotates with respect to A printed pattern 626 along arrow 632 indicated directions around the rotation center 630 of power wheel 620.Therefore, when between A printed pattern 626 and B printed pattern 628 along the gap of peripheral direction hour with respect to the size of contact point terminal part 622c, these states can occur: promptly contact point terminal part 622c only contacts with the A printed pattern.Contact point terminal part 622c only contacts with B printed pattern 628, and contact point terminal part 622c contacts with A printed pattern 626 and B printed pattern 628 simultaneously, therefore, contact point terminal part 622c can not contact with the surperficial 624a of printed circuit board (PCB) 624.This 26S Proteasome Structure and Function is equally applicable to contact point terminal part 622d.
Utilize this structure, the surperficial 624a of printed circuit board (PCB) 624 can not be wiped off, also seldom may make the marginal portion of A printed pattern 626 and B printed pattern 628 be wiped off or peel off.
Point out in passing, as shown in Figure 26, when between A printed pattern 626 and the B printed pattern 628 along the gap of circumference during near the size of contact point terminal part 622c, may occur contact point terminal part 622c will with the contacted state of surperficial 624a of printed circuit board (PCB) 624.Therefore, best, the gap along circumference between A printed pattern 626 and B printed pattern 628 forms lessly.
(6-3) the 3rd structure of contact point parts
Consult Figure 27, on the surface of printed circuit board (PCB) 624, form A printed pattern 626, B printed pattern 628, C printed pattern 640, D printed pattern 642.A printed pattern 626 and B printed pattern 628 are connected to the control circuit (not shown).(printed pattern 640 and D printed pattern 642 are so-called " and establishing printed pattern ", and it is free of attachment on the control circuit and is provided with concrete function.When A printed pattern 626 and B printed pattern 628 each other during conducting, to control circuit input rotation position detection signal.
Contact point reed 622 the rotation center 630 of power wheel 620 basically straight line extend through power wheel 620.A printed pattern 626 and B printed pattern 628 distribute by a kind of like this mode, and promptly the rotation center around power wheel 620 forms about 180 ° angle therebetween.Therefore, when power wheel 620 rotations, can produce a kind of like this state, promptly wherein contact point terminal part 622c contacts with A printed pattern 626, and contact point terminal part 622d contacts with B printed pattern 628.At this moment to control circuit (not shown) input rotation position detection signal.When power wheel 620 was further rotated, contact point terminal part 622c moved to separate with C printed pattern 640 with A printed pattern 626 and contacts, and contact point terminal part 622d moves to be separated with B printed pattern 628 and contacts with the D printed pattern.At this moment no longer produce rotation position detection signal.
In addition, when power wheel 620 turns clockwise, can produce a kind of like this state, promptly wherein contact point terminal part 622c contacts with B printed pattern 628, and contact point terminal part 622d contacts with A printed pattern 626.At this moment to control circuit (not shown) input rotation position detection signal.When power wheel 620 further when turning clockwise, contact point terminal part 622c moves to separate with D printed pattern 642 with B printed pattern 628 and contacts, contact point terminal part 622d moves to separate with C printed pattern 640 with A printed pattern 626 and contacts.At this moment, no longer produce rotation position detection signal.
In this structure, when power wheel 620 rotated a circle, twice to control circuit (not shown) input rotation position detection signal.Therefore, when this structure belongs to when making the type that power wheel 620 rotates a circle in per 24 hours, per 12 hours to control circuit (not shown) input rotation position detection signal.In the time need counting 24 hours under the situation that is changing the date indication, control circuit will constitute like this, promptly to be provided with counting circuit for control circuit, be used for the occurrence frequency of position of rotation generation signal is counted, therefore, when to twice input of control circuit rotation position detection signal, be used to change the signal of date indication by control circuit output.
No matter when power wheel 620 along clockwise still when being rotated counterclockwise, the working condition of contact point parts is identical.
Utilize such structure, can utilize the position of rotation of the printed pattern detection power wheel of simple distribution.
(6-4) the 4th structure of contact point parts
Consult Figure 28, on the surface of printed circuit board (PCB) 624, be formed with A printed pattern 652, B printed pattern 654 and VDD printed pattern 656.A printed pattern 652 and B printed pattern 654 are connected to the control circuit (not shown).VDD printed pattern 656 can be directly connected to the anode (VDD) of power supply, perhaps can be connected to the control circuit (not shown), is connected to just auspicious (VDD) of power supply at inner its of control circuit.
As just auspicious (VDD) of A printed pattern 652 and power supply when being communicated with, be input to the control circuit (not shown) as the A printed pattern detection signal of first detection signal.Promptly in this case, the A printed pattern input end of control circuit has the level for " 1 ", promptly uprises.
When the anode (VDD) of B printed pattern 654 and power supply when being communicated with, be input to the control circuit (not shown) as the B printed pattern detection signal of second detection signal.Promptly in this case, the B printed pattern input end of control circuit has the level for " 1 ", promptly uprises.
Below with reference to each printed pattern of Figure 30 serial interpretation in the direction of the clock.
A printed pattern 652 forms in about 30 ° open angular interval around the rotation center 630 of power wheel.A printed pattern 652 has first end part 652a and the second end part 652b along the circumferential direction.
VDD printed pattern 656 has the first printed pattern part 656s and the second printed pattern part 656t.The first printed pattern part 656s in the VDD printed pattern 656 has first end part 656a and the second end part 656b along the circumferential direction.First end part 656a in the VDD printed pattern 656 and the first end part 652a in the A printed pattern 652 are contiguous, have the gap therebetween.The first printed pattern part 656s of VDD printed pattern 656 forms in about 60 ° of open angular interval around the rotation center 630 of power wheel.
B printed pattern 654 along the circumferential direction has first end part 654a and the second end part 654b.The second end part of the first printed pattern part 656s in first end part 654a in the B printed pattern 654 and the VDD printed pattern 656 is adjacent, has the gap therebetween.B printed pattern 654 forms in about 30 ° opening angle interval around the rotation center of power wheel.
The first end part 656c of the second printed pattern 656t in the second end part 654b in the B printed pattern 654 and the VDD printed pattern 656 is adjacent, has air gap therebetween.The second printed pattern part 656t in the VDD printed pattern 656 forms in about 240 ° opening angle interval around the rotation center of power wheel.And the second end part 656b of the second end part 656d of the second printed pattern part 656t in the VDD printed pattern 656 and A printed pattern 652 is adjacent, has the gap therebetween.
As mentioned above, on the surface of printed circuit board (PCB) 624, form A printed pattern 652 in order along circumference along clockwise direction, the second printed pattern part 656t in the first printed pattern part 656s, B printed pattern 654 and the VDD printed pattern 656 in the VDD printed pattern 656.
Consult Figure 29, contact point reed 662 has 3 contact point leaf end 662a, 662b and 662c, and they are stretched out by the rotation center of power wheel 620.Contact point leaf end 662a and 662b are by becoming 75 ° of dihedrals to become therebetween approximately.Contact point leaf end 662a and 662c are by becoming 142.5 ° of dihedrals to become therebetween approximately.Contact point leaf end 662b and 662c are by becoming 142.5 ° of dihedrals to become therebetween approximately.
Contact point terminal part 662d is formed on the fore-end of contact point leaf end 662a, and contact point terminal part 662e is formed on the fore-end of contact point leaf end 662b; Contact point terminal part 662f is formed on the fore-end of contact point leaf end 662c.
When power wheel 620 rotation, contact point terminal part 662a, 662b and 662c respectively with A printed pattern 652, VDD printed pattern 656 in the first printed pattern part 656s, B printed pattern 654 and VDD printed pattern 656 in the second printed pattern part 656t contact.
To explain below when power wheel to be rotated in a clockwise direction when promptly changeing forward, to the detection of sense of rotation and the working condition that initial rotation status is detected.
(f1) duty 1:
Figure 31 represents the initial state of power wheel, and promptly duty 1, and wherein the contact point terminal part 662d in the contact point reed 662 is arranged in 670 ° of this states 1 of reference position and is set at C ° at the time relationship synoptic diagram of Figure 32.
In duty shown in Figure 31 1, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with the first printed pattern 656s in the VDD printed pattern 656, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 1, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 1, the A printed pattern input end of control circuit and B printed pattern input end all are that " O " is low level.
(f2) duty 2:
According in working order 2, wherein along being rotated clockwise to about 15 ° of positions of locating, contact point terminal part 662d's contact point terminal part 662d in the contact point reed 662 contacts with A printed pattern 652 by reference position 670.Contact point terminal part 662e contacts with the first printed pattern part 656s in the VDD printed pattern 656; And contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 2, only to control circuit (not shown) input A printed pattern detection signal.Promptly in this duty 2, the A printed pattern input end in the control circuit is " 1 ", promptly becomes " height ", and its B printed pattern input end is " 0 ", promptly keeps " low ".
(f3) duty 3:
Then, in working order 3, wherein the contact point terminal part 662d of contact point reed 662 is rotated clockwise to about 30 ° position by reference position 670, contact point terminal part 662d contacts with A printed pattern 652, contact point terminal part 662e contacts with B printed pattern 654, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 3, to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 3, the A printed pattern input end in the control circuit is " 1 ", promptly becomes " height "; Its B printed pattern input end also is " 1 ", promptly becomes " height ".
(f4) duty 4:
Then, in working order 4, wherein be rotated clockwise to about 45 ° position by reference position in the contact point terminal part 662 in the contact point reed 662, contact point terminal part 662d contacts with the first printed pattern part 656s in the VDD printed pattern 656, contact point terminal part 662e contacts with B printed pattern 654, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 4, only to control circuit (not shown) input B printed pattern detection signal.Promptly in this duty 4, the A printed pattern input end in the control circuit is " 0 ", promptly becomes " low ", and its B printed pattern input end face is " 1 ", promptly keeps " height ".
Therefore, shown in figure 32, a kind of like this state, promptly wherein the input of A printed pattern input end in the control circuit and B printed pattern is the state of " 1 ", continues about 1 hour.This be because,, if design rotated a circle power wheel in per 24 hours, then the every rotation of power wheel is through 15 ° of angles, needs about 1 hour.
(f5) duty 5:
Then, in working order 5, wherein the contact point terminal part 662d in the contact point reed 662 is rotated clockwise to about 60 ° position by reference position 670, contact point terminal part 662d contacts with the first printed pattern part 656s in the VDD printed pattern 656, contact point terminal part 662e contacts with the second printed pattern part 656t in the VDD printed pattern 656, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 5, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 5, A printed pattern input end in the control circuit and B printed pattern input end are " 0 " and are " low ".
(f6) duty 6:
Then in working order 6, wherein the contact point terminal part 662d in the contact point reed 662 has rotated to about 105 ° position by reference position, contact point terminal part 662d contacts with B printed pattern 654, contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 6, only to control circuit (not shown) input B printed pattern detection signal.Promptly in this duty 6, the A printed pattern input end in the control circuit is kept " 0 ", and its B printed pattern input end is " 1 ", promptly becomes " height ".
(f7) duty 7:
Then, in working order 7, wherein the contact point terminal part 662d in the contact point reed 662 has rotated to about 135 ° position clockwise by reference position 670 edges, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern, contact point terminal part 662e contacts with the second printed pattern part 656t in the VDD printed pattern, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern.
In this duty 7, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 7, A printed pattern input end in the control circuit and B printed pattern input end are " 0 ", are " low ".
(f8) duty 8:
Then, in working order 8, wherein the contact point terminal part 662d in the contact point reed 662 is rotated clockwise to about 157.5 ° position by reference position edge, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with the second printed pattern part 656t in the VDD printed pattern 656, and contact point terminal part 662f contacts with A printed pattern 652.
In this duty 8, only to control circuit (not shown) input A printed pattern detection signal.Promptly in this duty 8, the A printed pattern input end in the control circuit is " 1 ", promptly becomes " height ", and its B printed pattern input end is " 0 ", promptly keeps " low ".
(f9) duty 9:
Then in working order 9, wherein the contact point terminal part 662d in the contact point reed 662 is rotated clockwise to about 187.5 ° position by reference position edge, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with the second printed pattern part 656t in the VDD printed pattern, and contact point terminal part 662f contacts with the first printed pattern part 656s in the VDD printed pattern 656.
In this duty 9, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 9, A printed pattern input end in the control circuit and B printed pattern input end are " 0 ", are " low ".
(f10) duty 10:
Then in working order 10, wherein the contact point terminal part 662d in the contact point reed 662 is rotated clockwise to about 247.5 ° position from reference position 670 edge, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with the second printed pattern part 656t in the VDD printed pattern 656, and contact point terminal part 662f contacts with B printed pattern 654.
In this duty 10, only to control circuit (not shown) input B printed pattern detection signal.Promptly in this duty 10, the A printed pattern input end in the control circuit is kept " 0 ", and its B printed pattern input end is " 1 ", promptly becomes " height ".
(f11) duty 11:
Then, in working order 11, wherein the contact point terminal part 662d of contact point reed 662 has rotated to about 277.5 ° position clockwise by reference position 670 edges, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with the second printed pattern part 656t in the VDD printed pattern 656, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 11, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 11, A printed pattern input end in the control circuit and B printed pattern input end are " 0 ", are " low ".
(f12) duty 12:
Then in working order 12, wherein the contact point terminal part 662d in the contact point reed 662 is rotated clockwise to about 300 ° position by reference position 670 edge, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with A printed pattern 652, and contact point terminal part 662f contacts with A printed pattern 652.
In this duty 12, only to control circuit (not shown) input A printed pattern detection signal, promptly in this duty 12, the A printed pattern input end in the control circuit is that " 1 " promptly becomes " height ", its B printed pattern input end is " 0 ", promptly keeps " low ".
(f13) duty 13:
Then, in working order 13, wherein the contact point terminal part 662d in the contact point reed 662 has rotated to about 300 ° position clockwise by reference position 670 edges, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with the first printed pattern part 656s in the VDD printed pattern 656, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 13, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.That is, in this duty 13, A printed pattern input end in the control circuit and B printed pattern input end are " 0 ", promptly become " low ".
(f14) turn back to initial duty:
And then, when the contact point 662d in the contact point reed 662 by reference position during along the position that rotated to clockwise 360 °, each relevant position turns back to initial strong attitude as shown in Figure 31.
In this structure, when power wheel 620 rotated a circle, A printed pattern input end in the control circuit and B printed pattern input end only once became " 1 ", nearly one hour.And all become " 1 " before at A, B printed pattern input end, when the input of A printed pattern becomes " 1 ", can determine that power wheel is according to being rotated in the forward.
Therefore, when this structure belongs to the per type that rotated a circle in 24 hours of power wheel 620, imported this indication to the control circuit (not shown) and detect the rotation position detection signal that is rotated in the forward in per 24 hours.Simultaneously as A, when B printed pattern input end all becomes " 1 ", can detect the position along circumference of power wheel 620.
To explain below when power wheel is reverse rotation in the counterclockwise direction, to the detection of sense of rotation with to the course of work of the detection of initial rotation status.
(g1) duty 1:
Figure 33 represents that the initial state of power wheel is a duty 1, and wherein the contact point terminal part 662e in the contact point reed 662 is in reference position 670.Be arranged on 0 ° on the time relationship synoptic diagram of this state in Figure 34.
In working order 1, as shown in figure 33, contact point terminal part 662d contacts with the first printed pattern part 656s in the VDD printed pattern 656, contact point terminal part 662e contacts with the second printed pattern 656t in the VDD printed pattern 656, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 1, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 1, A printed pattern input end in the control circuit and B printed pattern input end are " 0 ", are " low ".
(g2) duty 2
Then, in working order 2, wherein the contact point terminal part 662e in the contact point reed 662 has rotated to about 15 ° position counterclockwise by reference position 670 edges, contact point terminal part 662d contacts with the first printed pattern part 656s in the VDD printed pattern 656, contact point terminal part 662e contacts with B printed pattern 654, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 2, only to control circuit (not shown) input B printed pattern detection signal.Promptly in this duty 2, the A printed pattern input end in the control circuit is that " 0 " promptly becomes " low ", and its B printed pattern input end is " 1 ", promptly becomes " height ".
(g3) duty 3:
Then, in working order 3, wherein the contact point terminal part 662e in the contact point reed 662 has rotated to about 30 ° position counterclockwise by reference position 670 edges, contact point terminal part 662d contacts with A printed pattern 652, contact point terminal part 662e contacts with B printed pattern 654, and contact point terminal part 662f contacts with the second printed pattern 656t in the VDD printed pattern 656.
In this duty 3, to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 3, the A printed pattern input end in the control circuit is " 1 ", promptly becomes " height ", and its B printed pattern input end also is " 1 ", promptly becomes " height ".
(g4) duty 4:
Then, in working order 4, wherein the contact point terminal part 662e in the contact point reed 662 has rotated to about 45 ° position counterclockwise by reference position 670 edges, contact point terminal part 662d contacts with A printed pattern 652, contact point terminal part 662e contacts with the first printed pattern part 656s in the VDD printed pattern 656, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 4, only to control circuit (not shown) input A printed pattern detection signal.Promptly in this duty 4, the A printed pattern input end in the control circuit is " 1 ", promptly keeps " height ", and its B printed pattern input end is " 0 ", promptly becomes " low ".
Therefore, state as shown in Figure 32 is that A printed pattern input end and the B printed pattern input end in the control circuit is " 1 ", continues about one hour.This is that power wheel rotated a circle in per 24 hours because if so design, and make the power wheel rotation need about 1 hour by 15 ° of angles.
(g5) duty 5:
Then in working order 5, wherein the contact point terminal part 662e in the contact point reed 662 has rotated to about 60 ° position counterclockwise by the reference position edge, contact point terminal part 662d contacts with the second printed pattern part 656t in the VDD printed pattern 656, contact point terminal part 662e contacts with the first printed pattern part 656s in the VDD printed pattern 656, and contact point terminal part 662f contacts with the second printed pattern part 656t in the VDD printed pattern 656.
In this duty 5, not to control circuit (not shown) input A printed pattern detection signal and B printed pattern detection signal.Promptly in this duty 5, A printed pattern input end in the control circuit and B printed pattern input end are " 0 ", are " low ".
(g6) duty that produces after this
In a duty, wherein along having rotated to about 105 ° position counterclockwise, as shown in figure 34, the A printed pattern input end in the control circuit is " 1 " to contact point terminal part 662e by reference position 670, promptly becomes " height ".
In a duty, wherein along having rotated to about 135 ° position counterclockwise, the A printed pattern input end in the control loop is " 0 " to contact point terminal part 662e by reference position 670, promptly becomes " low ".
In a duty, wherein along having rotated to about 157.5 ° position counterclockwise, the B printed pattern input end in the control circuit is " 1 " to contact point terminal part 662e by reference position 670, promptly becomes " height ".
In next duty, wherein along having rotated to about 135 ° position counterclockwise, A printed pattern input end in the control circuit and B printed pattern input end are " 0 " to contact point terminal part 662e by reference position, promptly become " low ".
In next duty, wherein along having rotated to about 247.5 ° position counterclockwise, A printed pattern input end in the control circuit and B printed pattern input end are " 1 " to contact point terminal part 662e by reference position 670, promptly become " height ".
In next duty, wherein along having rotated to about 277.5 ° position counterclockwise, A printed pattern input end in the control circuit and B printed pattern input end are " 0 " and are " low " contact point terminal part 662e by reference position 670.
In next duty, wherein along having rotated to about 300 ° position counterclockwise, the B printed pattern input end in the control circuit is " 1 " to contact point terminal part 662e by reference position 670, promptly becomes " height ".
In next duty, wherein along having rotated to about 330 ° position counterclockwise, A printed pattern input end in the control circuit and B printed pattern input end are " 0 " to contact point terminal part 662e, are " low " by reference position 670.
Therefore, in next duty, wherein contact point terminal part 662e does not exist A, B printed pattern input end both to become the state of " 1 " by rising as the counterclockwise position (being 60 ° position before living again) that has rotated to 360 °, edge, position.And when the contact point terminal part 662e in the contact point reed 662 was rotated counterclockwise 360 ° position by the reference position edge, duty turned back to initial state as shown in figure 33.
In this structure, when power wheel 620 rotated a circle, A printed pattern input end in the control circuit and B printed pattern input end once became " 1 " in only about one hour.And, can determine that power wheel rotates according to the reverse rotation direction when both all become " 1 " before when B printed pattern input end becomes " 1 " at A, B printed pattern input end.
Therefore, when this structure belongs to the per type that rotated a circle in 24 hours of power wheel 620, imported the rotation position detection signal that this indication detects reverse rotation to the control circuit (not shown) in per 24 hours.Simultaneously, as A, when B printed pattern input end all becomes " 1 ", can detect power wheel 620 position along the circumferential direction.
(7) one-piece construction of electronic watch according to a sixth embodiment of the invention.
Figure 14 represents the face side part of the movement (mechanical body) of electronic watch according to a sixth embodiment of the invention.Here, term " face side " part means with respect to the part of mainboard in a side opposite with display disc 570 places one side.
Figure 15 represents the reverse side part of the movement (mechanical body) of electronic watch according to a sixth embodiment of the invention.Here, term " reverse side part " means with respect to the part of mainboard in display disc 570 places one side.This day phase display disc is assembled in this " reverse side part ".
At the electronic watch of the present invention shown in Figure 14 to 20 the contact point reed is housed also.
Consult Figure 14 to 20, electronic watch of the present invention has mainboard 112.Rotor 612 in the step motor 610 and one the 5th is taken turns with pinion wheel and is meshed, and it is meshed with four-wheel and pinion wheel 616 again.Because the rotation of four-wheel and pinion wheel 616 makes centre wheel and pinion wheel 620 rotations through a third round and pinion wheel 618, and then makes hour wheel 554 rotations through minute wheel 622.
Wheel 550 had one 24 hours contact point reeds 552 in 24 hours.This 24 hours contact point reeds 552 of configuration make this reed 552 to contact with the first printed pattern (not shown) in the circuit unit 534 like this.24 hours wheels 550 are meshed with hour wheel 554 and rotate a circle every day.Hour wheel 554 rotated a circle in per 12 hours, utilized the hour hands (not shown) indication that is installed on the hour wheel 554 hour.
Ultrasound wave armature spindle 120 in the ultrasonic motor 132 is fixedly installed on the mainboard 112, and ultrasound wave rotor 102 is assembled on this ultrasound wave armature spindle 120 in rotatable mode.
Ultrasound wave rotor pinion 102b in the ultrasonic motor 102 is meshed with intermediate date driven wheel 104a in the intermediate date driving wheel 104.Intermediate date driving pinion 104b in the intermediate date driving wheel 104 and the date driven wheel 106a in the date driving wheel 106 are meshed.
Date dials and refers to that 100 are formed on the date driving wheel 106, and the date display disc 110 that rotates simultaneously owing to the rotation of date driving wheel 106 is assembled in the mainboard 112 in rotatable mode.Battery 114 is assembled into respect on mainboard 112 side opposite with the side that date display disc 110 is installed.
One date location pogo stick 116 and date display disc keeper 118 whole formation.Regulate part 116a in the date location pogo stick 116 and regulate date display disc tooth 110a.Date location pogo stick 116 has date location pogo stick reed part 116b.
That is, date driving wheel 106 has date driving wheel contact point reed 556.Configuration date driving wheel contact point reed 556 makes this reed 556 to contact with the second printed pattern (not shown) on the circuit unit 534 like this.
It should be noted that this structure can be by such one type of formation, wherein utilize what day indicator that rotates owing to ultrasonic motor what day is indicated.
(8) drive the 26S Proteasome Structure and Function of testing agency according to the indicator wheel in the electronic watch of seventh embodiment of the invention
Consult Figure 39 and 40,, constitute, have the mainboard 1102 of the substrate that constitutes movement according to analog electronic clock according to the movement in further embodiment of this invention (mechanical body) the 100th.One pointer adjustment is used in the table delthyrium with the pointer adjustment that rotatable mode is assembled in the mainboard 1102 with table handle 1104.Display disc 1106 is installed on the movement 1100.Display disc 1106 is installed on the movement 1100.One is installed in the mainboard 1102 with showing the switching device (not shown) that handle 1104 moves by operation pointer adjustment.
Among the both sides of mainboard 1102, a side at display disc 1106 places is referred to as " reverse side " of " movement " 1100, and a side opposite with display disc 1106 places one side is referred to as " face side " of movement 1100.The train that is assembled into " face side " of movement is referred to as " positive train ", and the train that is assembled into " reverse side " of movement is referred to as " reverse side train ".
Switching device can be assembled in " reverse side " that movement 1100 " face side " maybe can be assembled in movement 1100.For example for date display disc, what day indication with " reverse side " that is assembled into movement 1100 such as taking turns.
Date display disc 1120 is configured on the mainboard 1102 in rotatable mode.Date display disc 1120 comprises date display disc gear parts 1120a and date character printed portions 1120b.From 1 to 31 date character 1120c is imprinted on the date character printed portions 1120b.In order to simplify accompanying drawing, in Figure 39, only represent the independent character " 5 " among each date character 1120c.Date display disc gear parts 1120a comprises 31 date display disc teeth.
The ultrasonic motor 1130 that is used for rotating date display disc 1120 is configured in mainboard 1102.The motor that is used to rotate date display disc 1120 can be electromagnetic motor or step motor.Utilize ultrasonic motor 1130 to rotate date display disc 1120 reliably in the mode of the number that reduces the deceleration train.
The indicator wheel that is used for by ultrasonic motor 1130 rotations can be a date display disc or what day display disc, perhaps can be the wheel that is used to indicate other form of the data relevant with time or calendar, for example hour wheel, moon, annual ring or long-term monthly calendar (monthage) indicator wheel.
Ultrasonic motor 1130 has a motor drive shaft 1132, ultrasound wave stator 1122 and ultrasound wave rotor 1134.Ultrasound wave rotor 1134 has a ultrasound wave rotor pinion 1134b.About motor drive shaft 1132, the first axle part divides 1132a to be fixed on the mainboard 1102, and the second axle part divides 1132b to be fixed with ultrasound wave stator 1122 on it, and the 3rd shaft portion 1132c, by it ultrasound wave rotor 1134 is rotatably controlled.Being provided with a stage clip 1136 is used to utilize elastic force that ultrasound wave rotor 1134 is pressed ultrasound wave stator 1122.
Date display disc keeper 1140 relative mainboards 1102 support data display disc 1120 in rotatable mode.Support intermediate date driving wheel 1142 by mainboard 1102 and date display disc in rotatable mode.Intermediate date driving wheel 1142 has intermediate date driven wheel 1142a and intermediate date driving pinion 1142b.Ultrasound wave rotor pinion 1134b is meshed with intermediate date driven wheel 1142a.
Support date driving wheel 1150 by mainboard 1102 in rotatable mode.Date driving wheel 1150 has a date driven wheel 1150a, date driven wheel part 1150b, axle fore-end 1150c, reed leader 1150d and supporting part 1150e.Date driven wheel 1150a is meshed with intermediate date driving pinion 1142b.Date driven wheel part 1150b is meshed with date display disc gear parts 1120a.Date, driven wheel part 1150b had 4 date driving gears.End face on the supporting part 1150e contacts with date display disc keeper 1140.
Contact point reed 1160 is configured on the reed leader 1150d.Its configuration makes because the rotation of date driving wheel 1150 makes contact point reed 1160 and date driving wheel 1150 whole rotations.For example like this contact point reed 1160 is assembled on the reed leader 1150d, makes this reed 1160 not around himself axis rotation.
Consult Figure 40 and 41, circuit unit 1172 is contained on the movement 1100.Circuit unit 1172 comprises printed circuit board (PCB) 1170, integrated circuit and crystal oscillator (not shown).One contact point printed pattern 1174 is formed on the printed circuit board (PCB) 1170.Install contact point reed 1160 in rotatable mode, make this reed to contact, or move and separate with it with contact point printed pattern 1174.Contact point printed pattern 1174 and integrated circuit conducting.
Because contact point reed 1160 contacts with contact point printed pattern 1174, can detect the rotation status of date driving wheel 1150.
When contact point reed 1160 contacted with contact point printed pattern 1174, the relevant rotating signal of being exported by contact point printed pattern 1174 of the rotation status with date driving wheel 1150 was input to ultrasonic motor driving circuit.
Consult Figure 42, contact point printed pattern 1174 comprises a reference potential printed pattern 1174a and contact point switch printed pattern 1174b.A current potential conducting (for example positive terminal) on reference potential printed pattern 1174a and the battery (not shown).Contact point link conducting in contact point switch printed pattern 1174b and the integrated circuit.
Contact point reed 1160 comprises first make contact part 1160a second contact point part 1160b and slotted hole 1160c.Slotted hole 1160c is formed on the reed leader 1150d in the date driving wheel 1150.Contact point reed 1160 constitutes like this, and promptly this reed 1160 can rotate with date driving wheel 1150 integral body.
First make contact part 1160a extends along first direction from slotted hole 1160c, and the second contact point part 1160b extends along second direction from slotted hole 1160c.Its configuration makes first and second directions form an angle of 180 ° around slotted hole 1160c.The formation of the first make contact part 1160a and the second contact point part 1160b makes and utilizes elastic force can press contact point printed pattern 1174.Contact point reed 1160 is for example formed by the elastic metallic with electric conductivity (as stainless steel).
In contrast, under state shown in Figure 43, first make contact part 1160a contacts with printed pattern 1174a with reference potential, the second contact point part 1160b contacts with contact point switch printed pattern 1174b, then exporting rotating signal, similarly, is that first make contact part 1160a contacts with contact point switch printed pattern 1174b in a kind of like this state, the second contact point part 1160b contacts with printed pattern 1174a with reference potential, also exports rotating signal.
Be first make contact part 1160a when not contacting under a kind of state, do not export rotating signal with contact point switch printed pattern 1174b with the second contact point part 1160b.
(9) 26S Proteasome Structure and Function of the face side of the electronic watch in according to a seventh embodiment of the invention
Explained later is according to the structure of the face side of the another embodiment of electronic watch of the present invention.
Consult Figure 44 and 45, dispose the circuit unit 1172 that contains printed circuit board (PCB) 1170, integrated circuit 1210 and crystal oscillator 1212 in the face side of movement 100.
Movement 100 has coil block 1220, stator 1222 and rotor 1224.The configuration of the first round and pinion wheel 1230 makes owing to the rotation of rotor 1224 is rotated, and the configuration of four-wheel and pinion wheel 1232 makes energy take turns with the rotation of pinion wheel 1230 and rotate owing to the 5th.Be used to indicate second pointer 1234 of second to be installed in four-wheel and pinion wheel 1232.The configuration of third round and pinion wheel 1236 makes can be owing to the rotation of four-wheel and pinion wheel 1232 is rotated.The configuration of centre wheel and pinion wheel 1240 makes can be owing to the rotation of third round and pinion wheel 1236 is rotated.Be used to indicate the minute hand 1242 of branch to be installed in centre wheel and pinion wheel 1240.Battery 1250 is configured on circuit unit 1172 and the train bridgeware 1246.
Then, explain the function that the electronic watch of indicator wheel is housed of the present invention.
Consult Figure 46, oscillatory circuit 1424 outputs one reference signal.Oscillatory circuit 1424 comprises a crystal oscillator 1212 that constitutes oscillation source.Crystal oscillator 1212 is for example pressed 32768 hertz hunting of frequency.According to the oscillator signal that this crystal oscillator 1212 produces, frequency dividing circuit 1426 will carry out frequency division by the output signal frequency of oscillatory circuit 1424 outputs.According to the output signal of coming self frequency-dividing circuit 1426, motor drive circuit 1428 outputs one are used to drive the motor drive signal of stepping motor.Oscillatory circuit 1424, frequency dividing circuit 1426 and motor drive circuit 1428 all are included in the integrated circuit 1210.
According to by coil block 1220 input motor drive signals, stator 1222 is magnetized, so that rotor 1224.Rotor 1224 for example per second rotation passes through 180 ° angle.
Because the rotation of rotor 1224, by the 5th rotation, four-wheel and pinion wheel 1232 rotations of taking turns with pinion wheel 1230.This configuration rotates a circle four-wheel and pinion wheel 1232 per minutes.Second hand 1234 and four-wheel and pinion wheel 1232 whole rotations.
Because the rotation of four-wheel and pinion wheel 1232 makes third round and pinion wheel 1236 rotations.Because the rotation of third round and pinion wheel 1236 makes centre wheel and pinion wheel 1240 rotations.Minute hand 1242 and centre wheel and pinion wheel 1240 whole rotations.On centre wheel and pinion wheel 1240, be formed with a slipping mechanism (not shown).When reaching pointer/time when consistent,, can make minute hand 1242 and hour hands rotation by utilizing slipping mechanism by by making second hand 1234 keep the state rotary indicator adjustment form handle 1104 that stops.Centre wheel and pinion wheel 1240 per hour rotate a circle.
Because centre wheel and pinion wheel 1240 rotations make minute wheel 1270 rotations.Because minute wheel 1270 rotations make hour wheel 1272 rotations.Hour wheel 1272 rotated a circle in per 12 hours.Hour hands 1274 are installed on the hour wheel 1272, hour hands 1274 and hour wheel 1272 whole rotations.
Ultrasonic motor driving circuit 1310 is according to the output signal of coming self frequency-dividing circuit 1426, and output is used to drive the ultrasonic motor driving signal of ultrasonic motor 1130.Ultrasonic motor driving circuit 1310 is included in the integrated circuit 1210.
By making ultrasonic motor 1130 runnings, 1142 rotations of intermediate date driving wheel.Since the rotation of intermediate date driving wheel 1142, date driving wheel 1150 rotations.By making date driving wheel 1150 rotations, date driven wheel part 1150b makes 1120 rotations of date display disc.Make the date display disc rotation 1120 every days tooth of advancing by the signal of ultrasonic motor driving circuit 1310 output.
Since the rotation of date driving wheel 1150,1160 rotations of contact point reed.Because the rotation of contact point reed 1160 forms this state, wherein first make contact part 1160a contacts with printed pattern 1174a with reference potential, and the second contact point part 1160b contacts with contact point switch printed pattern 1174b.In this state, rotating signal is input to rotation detection circuit 1320.Rotation detection circuit 1320 is included in the integrated circuit 1210.
When rotation detection circuit 1320 inputs one rotating signal, rotation detection circuit 1320 is to ultrasonic motor driving circuit 1310 outputs one ultrasonic motor control signal, so that the running of control ultrasonic motor 1130.According to the ultrasonic motor control signal of input, ultrasonic motor driving circuit 1310 is ended ultrasonic motor driving signal.By constituting this structure, rotation that can phase on controll day display disc 1120.
In addition, because the rotation of date driving wheel 1150 makes 1160 rotations of contact point reed.Because the rotation of contact point reed 1160, form a kind of like this state, wherein first make contact part 1160a moves and separates with printed pattern 1174a with reference potential and contact with contact point switch printed pattern 1174b, and the second contact point part 1160b moves and separates with contact point switch printed pattern 1174b and contact with printed pattern 1174a with reference potential.In this state, also to rotation detection circuit 1320 outputs one rotating signal.
When rotation detection circuit 1320 input rotating signals, rotation detection circuit 1320 is to ultrasonic motor driving circuit 1310 outputs one ultrasonic motor control signal, so that the running of control ultrasonic motor 1130.According to the ultrasonic motor control signal of input, ultrasonic motor driving circuit 1310 is ended the output ultrasonic wave motor drive signal.By forming this structure, can be by rotating date display disc 1120 with the mode of rotating a tooth once a day.
This configuration makes by making 1330 actions of date correcting switch, can rotate date display disc 1120.By action date correcting switch 1330, ultrasonic motor driving circuit 1310 outputs one ultrasonic motor driving signal is used to drive ultrasonic motor 1130.Utilize this structure, can change the indication of date display disc 1120, date correcting switch 1330 can constitute like this, so that can make it action by operation pointer adjustment form handle 1104 or button, perhaps can be provided with similar device as the moved date correcting switch 1330 of date correcting switch 1330.
(10) according to the 26S Proteasome Structure and Function of the electronic watch of eighth embodiment of the invention
Explained later is according to the structure of the calendar mechanism of the electronic watch of eighth embodiment of the invention.
Consult Figure 47, according to the eighth embodiment of the present invention, in the electronic watch 1400 that calendar is housed, a ultrasonic motor (not shown) is as the motor of rotation date display disc 1410.This ultrasonic motor comprises a ultrasound wave rotor.The epitrochanterian ultrasound wave rotor pinion of ultrasound wave is meshed with intermediate date driven wheel on the intermediate date driving wheel 1404.Intermediate date driving pinion on the intermediate date driving wheel 1404 is meshed with date driven wheel on the date driving wheel 1406.
Date dials and refers to that 1408 are formed on the date driving wheel 1406, when 1406 rotations of date driving wheel, rotates simultaneously with it.Date dials and refers to that 1408 comprise 4 dates and dial the finger and divide 1408g1,1408g2,1408g3 and 1408g4.
Date display disc 1410 is with relative mainboard 1412 assemblings of rotatable mode.Date display disc 1410 has 31 date display disc teeth.On the index plane of date display disc 1410, be printed on from 1 to 31 each numerical value and constitute character respectively.Here, in order to simplify accompanying drawing, in Figure 47, only represent single day character " 5 ".
Date location pogo stick 1416 is with relative mainboard 1412 assemblings of rotatable mode, so that around date location pogo stick rotation center 1416c rotation.Date location pogo stick 1416 has a date pawl(paul) reed part 1416f.Date, the afterbody part 1416t of location pogo stick 1416 was located by localization part 1412d.Utilize the elastic force of date location pogo stick reed part 1416f, the adjusting part 1416a in the date location pogo stick 1416 regulates, date display disc tooth 1410a, and the adjusting part 1416b in the date location pogo stick 1416 regulates date display disc tooth 1410b.
Date location pogo stick 1416 can constitute according to independent parts as shown in the figure, perhaps constitutes with date display disc keeper, back elements keeper or like are whole.
Each date dials the finger and divides 1408g1,1408g2,1408g3,1408g4 to form by same configuration, has the neighboring part 1408t of a picture circular arc, and the center of circle of circle is 1408c; Perhaps have and this circular arc similar shapes the two side portions 1408s1 and the 1408s2 that extend respectively towards a side that is bordering on center 1408c by the two ends of this neighboring part 1408t.Though, be only to dial to refer to 1408g3 constituting of expression separately shown in Figure 47 by neighboring part 1408t and lateral parts 1408s1 and 1408s2 about the date, dial the finger about other date and divide 1408g1,1408g2 and 1408g3, the structure of this neighboring part 1408t and lateral parts 1408s1 and 1408s2 also is identical.
Cross part office between peripheral part 1408t and each lateral parts 1408s1 and the 1408s2 forms a fillet " R " (relatively little circular arc) outside.Each lateral parts 1408s1 and 1408s2 can by straight line, one or the mode of multi-section circular arc or straight line and circular arc combination constitute.Each lateral parts 1408s1 and 1408s2 constitute like this.Its structure should make date display disc 1410 dial and refer to 1408 rotation and rotation reliably along with the date.
In contrast, neighboring part 1408t forms by this structure, and when making 1410 rotations of phase on same day display disc, utilization contacts with neighboring part 1408t and makes 1410 rotations of date display disc whereby.
That is, in the embodiment of the electronic watch of the present invention shown in Figure 47, the date dials and refers to that 1408 constitute like this, dials the finger on its date and divides the end of front end separately of 1408g1,1408g2,1408g3 and 1408g4 to have the locking teeth structure.
As in the embodiment of above-mentioned the 5th embodiment of the present invention, on date driving wheel 1404, form the contact point reed, its configuration makes and to utilize being in contact with one another of contact point printed pattern on the printed circuit board (PCB) and contact point reed, detects the rotation status of date driving wheel 1406.With and configuration make by the rotating signal of input the rotation of motor drive circuit control ultrasonic motor by the output of contact point printed pattern.
Be configured like this and make date location pogo stick 1416 can regulate the position of date display disc 1410, make a date display disc tooth 1410f in the date display disc 1410 can be located at a rotation center 1410k and date by date display disc 1410 and dial on the straight line that refers to 1408 rotation center 1408c along sense of rotation.
Under a kind of state, ultrasonic motor is stopped, and it is symmetrical with respect to the straight line 1408A position as the axis of symmetry that 4 dates are dialled two date fingertip part 1408g1 and the 1408g2 of finger in dividing.
Explained later is according to the function of the calendar mechanism of the electronic watch of the eighth embodiment of the present invention.
In electronic watch 1400, according to the seventh embodiment of the present invention of explaining in conjunction with Figure 42 and 43 in identical mode, because rotation date driving wheel 1406, the first make contact part 1160a and the second contact point part 1160b can contact with printed pattern 1174a and contact point switch print force shape 1174b with reference potential according to described order.And as shown in Figure 42, under a kind of state, wherein the first make contact part 1160a and the second contact point part 1160b contact with printed pattern 1174a with reference potential, are provided with the output rotating signal.
In contrast, as shown in Figure 43, under a kind of state, wherein first make contact part 1160a contacts with printed pattern 1174a with reference potential, the second contact point part 1160b contacts with contact point switch printed pattern 1174b, the output rotating signal, similarly, under a kind of state, wherein first make contact part 1160a contacts with contact point switch printed pattern 1174b, the second contact point part 1160b contacts with printed pattern 1174a with reference potential, also exports rotating signal.
Under a kind of state, the first make contact part 1160a and the second contact point part 1160b all do not contact with contact point switch printed pattern 1174b, do not export rotating signal.
Therefore, consult Figure 47, by making the ultrasonic motor running, and therefore rotate date driving wheel 1406 and pass through 90 ° angle clockwise, date dials the finger and divides 1408g1 also can turn clockwise angle by 90 °, so the date display disc tooth 1410d in the date display disc 1410 can turn clockwise.And because the rotation of date location pogo stick 1416, date display disc 1410 stops under a kind of state, and wherein date display disc 1410 has turned clockwise by 360 °/31 angle.
In this state, the rotating signal of being exported by the contact point printed pattern is input to motor drive circuit, so that the rotation of control ultrasonic motor.Therefore, date driving wheel 1406 stops to be in a kind of like this state, wherein the date driving wheel 1,406 90 ° of angles that turned clockwise.
In addition, by making the ultrasonic motor running, therefore date driving wheel 1406 is rotated counterclockwise by 90 ° of angles, the date dials the finger and divides 1408g1 also can be rotated counterclockwise by 90 ° of angles, therefore, the date display disc 1410d on the date display disc 1410 can be rotated counterclockwise.Because make date location pogo stick 1416 actions, date display disc 1410 stops to be in a kind of like this state, wherein date display disc 1410 has been rotated counterclockwise the angle by 360 °/31.
At this state, import to motor drive circuit by the rotating signal of contact point printed pattern output, control the rotation of ultrasonic motor with this.Therefore, date driving wheel 1406 stops at a kind of like this state, and wherein date driving wheel 1406 has rotated counterclockwise by 90 ° of angles.
Utilize such structure, in electronic watch of the present invention, dial by the date that turns clockwise and to refer to 1408, date display disc 1410 can turn clockwise.And dial and refer to 1408 by being rotated counterclockwise the date, can be rotated counterclockwise date display disc 1410.And by making date location pogo stick 1416 actions, date display disc 1410 always can be located accurately along the position of sense of rotation.
Explained later phase on same day display disc 1410 is because electronic watch for example is subjected to the working condition that a shock surface produces rotation.
Consult Figure 48, when being rotated counterclockwise shown in the arrow 1412A, the date display disc tooth 1410e on the date display disc 1410 dials the finger with the date and divides the neighboring part 1408t on the 1408g2 to contact phase on same day display disc 1410.The planform of this neighboring part 1408t is the circular arc of 1408c as a center of circle, and perhaps shape is near this circular arc.The transposition transmission of torque of ultrasonic motor is dialled to the date and is referred to 1408 in addition.Therefore, the date dials and refers to that 1408 can not be rotated by the date display disc tooth 1410e of contact with it.
And, under state shown in Figure 48, because the date, the adjusting part 1416b of location pogo stick 1416 contacted with date display disc tooth 1410b, because the date resilient force date display disc 1410 of location pogo stick reed part 1416f can turn clockwise, and can therefore turn back at state shown in Figure 47.
Consult Figure 49 below, when the clockwise direction shown in the arrow 1412B was rotated, the date display disc tooth 1410e on the date display disc 1410 dialled the finger with the date and divides the neighboring part 1408t among the 1408g1 to contact phase on same day display disc 1410.Therefore, the date dials and refers to that 1408 can not be by the date display disc tooth 1410c rotation that is in contact with it.
And as shown in Figure 49, because the adjusting part 1416a in the date location pogo stick 1416 contacts with date display disc tooth 1410a, because date location pogo stick is regulated the effect date display disc 1410 of the elastic force of part 1416f and can be rotated counterclockwise, and therefore can turn back to state as shown in figure 47.
Promptly in electronic watch of the present invention, by such configuration, because dialling, date display disc tooth 1410e on the date display disc 1410 or 1410c and date refer to being meshing with each other between 1408, with because the effect of the transposition torque of ultrasonic motor, when no matter phase on same day display disc 1410 rotated clockwise or counterclockwise, the date dialled and refers to that 1408 all can not rotate.
For example, suppose to be freed from an applied external force for example a revolving force that impacts the date display disc 1410 that causes represent with F1, the transposition torque of ultrasonic motor is represented with F2, represent by F3 because date display disc tooth 1410e or 1410c and date are dialled the rotational resistance that produces that is meshing with each other that refers between 1408, represent with n by the reduction gear ratio that ultrasonic motor is dialled finger 1408 to the date.
Between power (the F2+F3)/n of power F1 that makes 1410 rotations of date display disc that for example impacts generation owing to external force and termination rotation, compare.At this moment, because the date is dialled the structure that the neighboring part 1408t on the 1408g1 is divided in the finger, can make F3 greater than F1.
Therefore, the structure according to electronic watch of the present invention, cause (F2+F3)/n＞＞F1, therefore, can end effectively because the rotation of the date display disc 1410 that external force produces.
Below, with reference to Figure 50, the date dials each date that refers in 1428 and dials the finger and divide 1428g1,1428g2,1428g3 and 1428g4, forms by identical construction, and the neighboring part 1428u that arc structure table shape is arranged, the center of circle of this circular arc is on a position away from center 1428e.Though what represent in Figure 50 is only to dial the independent neighboring part 1428u that refers to 1428g3 about the date, dial about other dates and refer to 1428g1, the neighboring part 1428u of 1428g2 and 1428g4 also is identical.
Make date display disc 1410 to dial according to such structure formation neighboring part 1428u and refer to 1428 rotation and rotation reliably with the date, and contact along with phase on same day display disc 1410 rotation and with neighboring part 1428u, can end the rotation of date display disc 1410.
That is, in the embodiment of electronic watch of the present invention shown in Figure 50, the date dials and refers to that 1428 constitute like this, dials the finger on the date and divides the fore-end separately of 1428g1,1428g2,1428g3 and 1428g4 to have the locking teeth structure.
Consult Figure 51, when the counter clockwise direction that phase on same day display disc 1410 has been indicated along arrow 1422A was rotated, the date display disc tooth 1410e in the date display disc 1410 dialled the finger with the date and divides the neighboring part 1428u among the 1428g to contact.The planform of neighboring part 1428u is as a circular arc, and the home position of circle separates with center 1428c.In addition, the transposition transmission of torque of ultrasonic motor is dialled to the date and is referred to 1428.Therefore, the date dials and refers to that 1428 can not be rotated by the date display disc tooth 1410e of contact with it.
In addition, in the state shown in Figure 51, because the adjusting part 1416b in the date backstay 1416 contacts with date display disc tooth 1410b, the elastic force that date display disc 1410 can utilize date location pogo stick to regulate part 1416f makes it to turn clockwise, and therefore can turn back at the state shown in Figure 50.
Consult Figure 52 below, when phase on same day display disc 1410 had rotated along the clockwise direction of being indicated by arrow 1422B, the date display disc tooth 1410c in the date display disc 1410 dialled the finger with the date and divides the neighboring part 1428u among the 1428g1 to contact.Therefore the date dials and refers to that 1428 can not be by the date display disc tooth 1410c rotation of contact with it.
In addition, in the state shown in Figure 52, because the adjusting part 1416a in the date location pogo stick 1416 contacts with date display disc tooth 1410a, date display disc 1410 can utilize the elastic force of date location pogo stick reed part 1416f to make it to turn clockwise, and therefore can turn back to the state shown in Figure 50.
Consult Figure 53 below, the date dials each date that refers in 1438 and dials the finger and divide 1438g1,1438g2,1438g3 and 1438g4 to form by same configuration; And have lateral parts 1438v1 and 1438v2, between their front end, form an acute angle.Though what represent in Figure 53 is only to dial independent lateral parts 1438v1 and the 1438v2 that refers to 1438g3 about the date, it also is identical dialling finger 1438g1,1438g2 and the lateral parts 1438v1 of 1438g4 and the structure of 1438v2 about other date.
Lateral parts 1438v1 and the formation of 1438v2 with each circular shape lateral parts (all order is identical later on), make date display disc 1410 to dial and refer to that 1438 rotation rotates with the date, each forms lateral parts 1438v1 and 1438v2 according to a kind of like this structure, with along with phase on same day display disc 1410 rotation and so when contacting with 1438v2 with lateral parts 1438v1, can end the rotation of date display disc 1410.
Promptly in the embodiment shown in Figure 50 of the electronic watch that originally shows, the date dials and refers to that 1438 constitute like this, dials the finger on its date and divides the fore-end separately of 1438g1,1438g2,1438g3 and 1438g4 to have the locking teeth structure.
Consult Figure 54, when being rotated counterclockwise by the direction shown in the arrow 1432A, the date display disc tooth 1410e in the date display disc 1410 dials the finger with the date and divides the lateral parts 1438v2 among the 1438g2 to contact phase on same day display disc 1410.At this moment, the transposition transmission of torque of ultrasonic motor is dialled to the date and is referred to 1438.Therefore, the date dials and refers to that 1438 can not be rotated by the date display disc tooth 1410e of contact with it.
And, at the state shown in Figure 54, because the adjusting part 1416b in the date location pogo stick 1416 contacts with date display disc tooth 1410b, date display disc 1410 can utilize the elastic force of date location pogo stick reed part 1416f to turn clockwise, and therefore can turn back to the state shown in Figure 53.
Consult Figure 55 below, when having been turned clockwise by the direction shown in the arrow 1432B, the date display disc tooth 1410c in the date display disc 1410 dials the finger with the date and divides the lateral parts 1438v1 among the 1438g1 to contact phase on same day display disc 1410.At this moment, the transposition torque of ultrasonic motor also is delivered to the date and dials and refer on 1438.Therefore, the date dials and refers to that the 1438 date display disc tooth 1410c that can not contact with it rotate.
At the state shown in Figure 55, because the adjusting part 1416a in the date location pogo stick 1416 contacts with date display disc tooth 1410a, date display disc 1410 can utilize the elastic force of date location pogo stick reed part 1416f to be rotated counterclockwise, and therefore can turn back to the state shown in Figure 53.
In electronic watch of the present invention, owing to have said structure, there is such possibility hardly, promptly for example impact the date display disc is rotated when being applied to electronic watch when an external force.
(11) in addition, electronic watch of the present invention can constitute in the following manner.
[1] a kind of electronic watch, a kind of electronic watch with function of the indication data relevant with calendar is characterized in that comprising:
Control circuit 130, it has: the calendar signal generating circuit, be used to utilize to the data relevant with calendar for example day, Month And Year counts and produces the calendar signal; And have ultrasonic motor driving circuit, be used for according to the ultrasonic motor driving signal that makes ultrasonic motor (132) rotation by the calendar signal output of calendar signal generating circuit output;
Ultrasonic motor (132) comprises ultrasound wave stator (122), and a piezoelectric element adheres on it; Also comprise ultrasound wave rotor (102), according to the ultrasonic motor driving signal utilization of input because the expansion of piezoelectric element and be contracted in the wave of oscillation that produces in the ultrasound wave stator and carry out friction gearing;
The calendar display disc is used for making it running according to the rotation of ultrasonic motor (102), indicates the data relevant with calendar;
The date driving mechanism detects and uses the contact point element, is used for detecting the rotation according to ultrasound wave rotor (102), and the date drives the time point that stops; And
The date Drive and Control Circuit, its input one drives initial relevant signal with the date, and this signal drives initial detection by the date and exports with the contact point element; And import one and drive to stop relevant signal with the date, this signal is to drive on the date to stop detecting with the output of contact point element, controls date indication driving circuit that this is used for output date indication motor drive signal with this.
[2] as at the electronic watch described in the above-mentioned paragraph part [1],
It is characterized in that the calendar indicator wheel is one to be used to indicate the date display disc (110) with day relevant data;
The calendar signal generating circuit, to the leap year in day and from January to Dec in day relevant data count; And
Ultrasonic motor driving circuit, it constitutes first day that makes in every month, when changed to next month by one month the last day in the even number moon, according to one of the count results of calendar signal generating circuit output with when changed to next month by one month the last day in the odd number moon, export different ultrasonic motor driving signals by this generation circuit.
[3], comprise as at the electronic watch described in the above-mentioned paragraph part [1] or [2]:
The calendar train makes it running according to the rotation of ultrasound wave rotor (102).
It is characterized in that the structure of its formation makes can utilize the calendar train to make the running of calendar indicator wheel.
[4] as one of them described electronic watch, comprise in above-mentioned paragraph part [1] to [3]:
Date is dialled finger, makes it spinning movement according to the rotation of ultrasound wave rotor (102).
It is characterized in that the structure of its formation makes that can utilize the date to dial instigates the running of calendar indicator wheel.
[5] as one of them described electronic watch, it is characterized in that comprising in above-mentioned paragraph part [1] to [4]:
Regulating element is used to regulate the position of calendar indicator wheel along sense of rotation.
Explained as top, owing in electronic watch, have a described structure, utilized the drive rotation Position detection unit detects drive along the position of direction of rotation, and the present invention has effect as described below.
(1) can provide a kind of electronic watch drive position of rotation detecting unit wherein can accurately detect biography Driving wheel is along the position of direction of rotation.
(2) can provide a kind of undersized electronic watch with drive position of rotation detecting unit.
(3) can provide a kind of electronic watch, the contact in the drive position of rotation detecting unit that it comprises Point has durable high-performance.
(4) in the electronic watch with date indicating dial, can accurately open at the same time point of every day Date beginning drives.
(5) in the electronic watch with date indicating dial, the position of maintenance dates indicating dial accurately Put. Therefore, may make hardly the day character on the date indicating dial deviation occur.
(6) for example impact when being applied on the electronic watch when an external force, can not make indicator wheel or date indicating dial Rotation.
(7) owing to be used for the stabilizing torque of the motor of rotation date indicating dial and reduce, can reduce motor Power consumption. Namely utilize the present invention that the battery of electronic watch is prolonged.

Claims (24)

1. an electronic watch is characterized in that, comprises:
One power wheel (620) is owing to the rotation that is included in the train in the electronic watch is rotated;
One contact point reed (622) is fixed to the last and whole rotation of power wheel (620) of power wheel (620), and has electric conductivity;
Detect and use printed pattern, be formed on the printed circuit board (PCB), when contact point reed (622) rotates, can contact with this contact point reed (622); And
Control circuit, its input have a rotation position detection signal along the position of rotation of circumference that is used to detect power wheel (620), and this signal is exported with printed pattern by detecting when contact point reed (622) contacts with printed pattern with this detection.
2. as at the electronic watch described in the claim 1, it is characterized in that this detection comprises two detection printed pattern parts with printed pattern, when contact point reed (622) rotates, can contact with contact point reed (622) simultaneously; And
The control circuit input has each to be used to detect the rotation position detection signal of power wheel (620) along the position of rotation of circumference, these signals are to utilize contact point reed (622) to make two detections with printed pattern each other during conducting, respectively by two detections with printed pattern output.
3. as at the electronic watch described in the claim 1, it is characterized in that,
This detection comprises two detection printed pattern parts with printed pattern, and when contact point reed (622) rotated, they contacted with contact point reed (622) simultaneously; And the printed pattern that between two detections are with printed pattern, forms non-functional respectively, they do not have measuring ability; And
Control circuit input has each to be used to detect the rotation position detection signal of power wheel (620) along the position of rotation of circumference, and these detection signals are when utilizing contact point reed (622) that two detections are exported with printed pattern by two detections respectively during conducting each other with printed pattern.
4. electronic watch comprises:
One power wheel (620), owing to the rotation that is included in the train in the electronic watch is rotated,
One contact point reed (622) is fixed on the power wheel (622), with the whole rotation of power wheel (620), and has electric conductivity;
First detection detects with printed pattern and second and uses printed pattern, and they are formed on the printed circuit board (PCB), when contact point reed (622) rotates, can contact with contact point reed (622),
It is characterized in that, its configuration makes contact point reed (622) and first detect and detects with printed pattern and second and can be in first detected state with printed pattern, promptly only makes first detection be used to detect the rotation position detection signal along the position of rotation of circumference of power wheel (620) with printed pattern generation one; Be in second detected state, promptly only make second to detect with printed pattern and produce a rotation position detection signal that is used to detect power wheel (620) along the position of rotation of circumference; And be in the 3rd detected state, promptly only first detect with printed pattern and second detection and produce the rotation position detection signal that each is used to detect power wheel (620) simultaneously along the position of rotation of circumference with printed pattern; And
Also include a control circuit, be used to determine: the situation of the 3rd detected state that after first detected state has detected, has occurred immediately; And in the situation that is detecting the 3rd detected state that second detected state occurs later on immediately, this determine to utilize distinguish realization between the both of these case.
5. as at electronic watch described in the claim 4, it is characterized in that control circuit designs like this, promptly when occurring the 3rd detected state immediately after first detected state has detected, control circuit can determine that the sense of rotation of power wheel (620) is a direct rotational direction; And when occurring the 3rd detected state immediately after second detected state has detected, control circuit can determine that the sense of rotation of power wheel (620) is the despining direction.
6. as at the described electronic watch of claim 4, it is characterized in that,
This printed circuit board (PCB) also comprises the VDD printed pattern on the current potential that is connected in the power supply; And
Contact point reed (622) has 3 contact point terminal parts, and they can detect with printed pattern, second with first detection respectively and contact with printed pattern and VDD printed pattern.
Therefore, contact point reed (622), first detects and can form with printed pattern: first detected state, wherein at least one contact point terminal part contacts with the VDD printed pattern, and other contact point terminal part only contacts with printed pattern with first detection; Second detected state, wherein at least one contact point terminal part contacts with the VDD printed pattern, and other contact point terminal part only contacts with printed pattern with second detection; And the 3rd detected state, wherein at least one contact point terminal part contacts with the VDD printed pattern, and other contact point terminal part and first detects with the printed pattern and second detection and contacts with printed pattern; And
Control circuit designs like this, when after first detected state has detected, occurring the 3rd detected state immediately, control circuit can determine that the sense of rotation of power wheel (620) is a direct rotational direction, and when occurring the 3rd detected state immediately after second detected state has detected, control circuit can determine that the sense of rotation of power wheel (620) is the despining direction.
7. as one of them described electronic watch, it is characterized in that in claim 2 to 6,
Contact point reed (622) has the terminal contact portion that contacts with printed pattern; And
The gap that forms between each printed pattern is less than the size of terminal contact portion.
8. electronic watch, a kind of electronic watch with the function of showing date is characterized in that, comprises:
Time signal generation circuit is used for by to counting the generation time signal with the data of time correlation;
Time indication motor drive circuit, output one are used for the time indication motor drive signal of rotational time indication with motor;
Time indication motor is according to being rotated by the time indicative signal of time indication with motor drive circuit output;
Time indication train is rotated with the rotation of motor according to the time indication;
The time data display element is according to the rotation display time data of time indication train;
The date signal generating circuit produces the date signal by the data relevant with the date are counted;
Date indication motor drive circuit is used to rotate the date indication motor drive signal of date indication with motor according to the date signal output by date signal generating circuit output;
Date indication motor is according to being rotated with the date indicator signal of motor drive circuit output by the date indication;
Date indication train is rotated with the rotation of motor according to the date indication;
The date data display element is according to the rotation of the date indication train data that show date;
Date drives initial detection contact point element, according to the rotation of time indication train, detects the initial time point of date driving;
Date drives to stop detecting uses the contact point element, and according to the rotation of date indication train, the detection date drives the time point that stops; And
The date Drive and Control Circuit, by importing and driving the initial relevant signal that the date of initial detection with the output of contact point element drives by the date, and, control the operation of this output date indication with the date indication driving circuit of motor drive signal by input and the relevant signal of termination that stops by the date driving detecting with the date driving of contact point element output.
9. as at the electronic watch described in the claim 8, it is characterized in that the date indication is to be made of a ultrasonic motor with motor.
10. as at the electronics mountain valley with clumps of trees and bamboo described in claim 8 or 9, it is characterized in that,
Date drives initial detection and is installed on the 24 little hour wheels of rotating according to hour wheel with the contact point element; And
Date drive to stop is detected and to be installed in one with the contact point element and to indicate on the date driving wheel that rotates with the rotation of motor according to the date.
11. an electronic watch, a kind of electronic watch with the function of showing date is characterized in that, comprises:
Time signal generation circuit produces the date signal by the data relevant with the date are counted;
Ultrasonic motor driving circuit, according to the date signal by the output of time signal generation circuit, output is used to drive the ultrasonic motor driving signal of ultrasonic motor (132);
Ultrasonic motor (132) comprises a ultrasound wave stator, is bonded with piezoelectric element on it; And comprise a ultrasound wave rotor (102) its according to ultrasonic motor driving signal by piezoelectric element input, utilize because the expansion of piezoelectric element and be contracted in the wave of oscillation that produces in the ultrasound wave stator and carry out friction gearing;
The calendar train is owing to the rotation of ultrasound wave rotor (102) is rotated;
Date is dialled finger (108), owing to the rotation of calendar train is rotated;
Date display disc (110) is dialled the rotation of finger (108) and is rotated owing to the date, therefore indicate the date;
One power wheel is owing to the rotation of ultrasonic type rotor (102) is rotated;
The contact point reed is fixed on the power wheel, with the whole rotation of power wheel, and has electric conductivity;
Printed pattern is used in one detection, is formed on the printed circuit board (PCB), when the contact point reed rotates, can contact with the contact point reed; And
Control circuit, input are useful on the rotation position detection signal along the position of rotation of circumference that detects power wheel, and this signal is exported with printed pattern by detection when the contact point reed contacts with printed pattern with this detection.
12. as at the electronic watch described in the claim 11, it is characterized in that,
Detection comprises two detection printed patterns with printed pattern, when they rotate when the contact point reed, can contact with the contact point reed simultaneously, and
Control circuit, input has each to be used to detect the rotation position detection signal along the position of rotation of circumference of power wheel, this detection signal is when utilizing contact point reed (622) to make two detections with printed pattern each other during conducting, respectively by two detections with printed pattern output.
13. electronic watch as claimed in claim 11 is characterized in that,
Detection comprises two detection printed pattern parts with printed pattern, and they can contact with the contact point reed when the contact point reed rotates simultaneously; And the printed pattern of some non-functionals is respectively formed at two detections with between the printed patterns, do not have measuring ability, and
Control circuit, input have each rotation position detection signal along the position of rotation of circumference that is used to detect power wheel, and this detection signal is when utilizing the contact point reed that two detections, are exported with printed pattern by two detections each other during conducting with printed pattern.
14. as, comprise at the described electronic watch of claim 11:
First detection detects with printed pattern and second and uses printed pattern, and they are formed on the printed circuit board (PCB), when rotating, the contact point reed can contact with the contact point reed,
It is characterized in that,
Its design makes contact point reed and first detect to detect with printed pattern and second and can form with printed pattern: first detected state only makes first detection can produce a rotation position detection signal along the position of rotation of circumference that is used to detect power wheel with printed pattern; Second detected state only makes second to detect with printed pattern and can produce a rotation position detection signal along the position of rotation of circumference that is used to detect power wheel; The 3rd detected state makes first to detect with printed pattern and second detection and produce the rotation position detection signal along the position of rotation of circumference that each is used to detect power wheel simultaneously with printed pattern; And
Also include control circuit, be used to determine after first detected state has detected, to occur immediately the situation of the 3rd detected state, and the situation that after second detected state has detected, occurs the 3rd detected state immediately, determine that both of these case is by distinguishing realization between both of these case.
15. electronic watch as claimed in claim 14 is characterized in that control circuit designs like this, makes to determine that when occurring the 3rd detected state immediately after first detected state has detected the sense of rotation of power wheel is a direct rotational direction; The sense of rotation that can determine power wheel when occurring the 3rd detected state immediately after second detected state has detected is the despining direction.
16. as at the electronic watch described in the claim 14, it is characterized in that,
Printed circuit board (PCB) also comprises the VDD printed pattern on the current potential that is connected in the power supply, and
The contact point reed has 3 contact point terminal parts, they can with first detect and use printed pattern, second detects usefulness printed pattern and VDD printed pattern,
Therefore, the contact point reed, first detection detects with printed pattern and second and can form with printed pattern: first detected state, and wherein at least one contact point terminal part contacts with the VDD printed pattern, and other contact point terminal part only contacts with printed pattern with first detection; Second detected state, wherein at least one contact point terminal part and VDD printed pattern contact with each other; Other contact point terminal part only contacts with printed pattern with second detection; And the 3rd detected state, wherein at least one contact point terminal part contacts with the VDD printed pattern, and other contact point terminal part only detects with the printed pattern and second detection and contacts with printed pattern with first; And
Control circuit designs like this, makes that the sense of rotation that can determine power wheel is a direct rotational direction when occurring the 3rd detected state immediately after detecting first detected state; And when occurring the 3rd detected state immediately after detecting second detected state, the sense of rotation that can determine power wheel (620) is the despining direction.
17. as at the described electronic watch of claim 12, it is characterized in that,
The contact point reed has and the contacted terminal contact portion of printed pattern; And
Each gap that forms between each printed pattern is less than the size of terminal contact portion.
18. an electronic watch, a kind of electronic watch with indicator wheel is characterized in that, comprises:
Motor (1130) is used to rotate indicator wheel (1120),
Rotating element (1150) is used for rotating indicator wheel (1120) according to the rotation of motor (1130);
Rotation detecting (1160,1174) is used for according to the rotation generation of rotating element (1150) and the relevant signal of rotation status of indicator wheel (1120); And
Motor drive (1310) is used for the rotation according to the rotating signal control motor (1130) that is produced by rotation detecting (1160,1174).
19. as at the electronic watch described in the claim 18, it is characterized in that,
Rotation detecting (1160,1174) comprises contact point reed (1160) and a plurality of contact point printed pattern (1174) that is formed on the rotating element (1150), is used for the rotation status by the detection rotating element that contacts with contact point reed (1160).
20. as, it is characterized in that at the electronic watch described in claim 18 or 19
This motor (1130) is a ultrasonic motor, and motor drive (1310) comprises one and is used for the ultrasonic motor driving circuit that output drives the drive signal of ultrasonic motor (1130).
21. electronic watch as claimed in claim 18 is characterized in that,
Indicator wheel has some internal tooths, and its number is corresponding to the content of indication, and date location pogo stick (1416) is housed, and is used for by regulating the position of this indicator wheel along sense of rotation with this internal tooth engagement;
Rotating element is equipped with 4 dates dials finger branch (1408), is used to rotate this indicator wheel;
Its design makes date location pogo stick (1416) can regulate the position of indicator wheel along sense of rotation, makes a internal tooth in the indicator wheel be located on the rotation center and the straight line of the rotation center of rotating element by indicator wheel; And
4 dates are dialled location like this under the state that motor stops, 2 (1408) of finger in dividing, and promptly its position is symmetrical as the straight line (1408A) of the axis of symmetry relatively.
22. as, it is characterized in that the date dials finger (1408) and has the locking teeth structure at its fore-end at the described electronic watch of claim 21.
23. as at the described electronic watch of claim 22, it is characterized in that,
Its design makes that the date dials finger (1408) and can rotate indicator wheel, and when rotating indicator wheel, the date dials finger (1408) and can not be rotated when it rotates.
24. an electronic watch, this electronic watch has the date display disc,
Date display disc (1410) has internal tooth, and quantity is 31, it is characterized in that comprising:
Ultrasonic motor is used to rotate date display disc (1410);
Intermediate date driving wheel (1142) rotates according to the rotation of ultrasonic motor;
Date driving wheel (1406) is used for rotating date indicator wheel (1410) according to the rotation of ultrasonic motor;
Contact point reed (1160) is formed on the date driving wheel (1406);
Printed circuit board (PCB) (1170) has a plurality of contact point printed patterns (1174), is used for the rotation status by the detection date driving wheel (1406) that contacts with contact point reed (1160);
Motor drive circuit (1310) is used for being controlled by the rotating signal of contact point printed pattern (1174) output by input the rotation of ultrasonic motor; And
Date location pogo stick (1416) has the reed part, is used for regulating the position along sense of rotation of date display disc (1410) by being meshed with wherein two internal tooths of date display disc (1410),
Therefore, date driving wheel (1406) is equipped with 4 dates that are used to rotate date display disc (1410) and dials finger branch (1408g1-1408g2);
Its design makes date location pogo stick (1416) can regulate the position of date display disc (1410) along sense of rotation, makes a internal tooth in the date display disc (1410) can be located at a rotation center by date display disc (1410) (1410k) and date and dials the finger branch (straight line (1408A) of the rotation center (1408c) of 1408g1～1408g2);
4 dates are dialled the finger branch, and ((promptly the position is symmetrical as the straight line (1408A) of the axis of symmetry to wherein two of 1408g1～1408g2) relatively for 1408g1,1408g2) location like this under the state that ultrasonic motor stops; And
Its design makes, by internal tooth in the date display disc (1410) and date dial the finger divide between the 1408g1～1408g4) be meshing with each other and because the transposition torque of ultrasonic motor, even the date dial finger branch (1408g1～1408g4) can not be rotated during phase on same day display disc (1410) rotation.
CN 98102906 1997-04-25 1998-04-25 Electronic timepiece Expired - Fee Related CN1132079C (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP10944697 1997-04-25
JP10944597A JP3165070B2 (en) 1997-04-25 1997-04-25 Electronic clock with calendar
JP109445/97 1997-04-25
JP109446/1997 1997-04-25
JP109446/97 1997-04-25
JP109445/1997 1997-04-25
JP16701/1998 1998-01-29
JP1670198 1998-01-29
JP16701/98 1998-01-29
JP10086710A JP3002969B2 (en) 1997-04-25 1998-03-31 Electronic clock
JP86710/98 1998-03-31
JP86710/1998 1998-03-31

Publications (2)

Publication Number Publication Date
CN1204790A CN1204790A (en) 1999-01-13
CN1132079C true CN1132079C (en) 2003-12-24

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CN 98102906 Expired - Fee Related CN1132079C (en) 1997-04-25 1998-04-25 Electronic timepiece

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DE (1) DE69831998T2 (en)
HK (1) HK1019775A1 (en)

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Publication number Priority date Publication date Assignee Title
JP2935182B1 (en) * 1998-02-13 1999-08-16 セイコーインスツルメンツ株式会社 Electronic clock
EP2180383B1 (en) * 2008-10-24 2012-01-25 ETA SA Manufacture Horlogère Suisse Device to assist in maintaining the position of a date disc for a timepiece
JP5573870B2 (en) * 2012-03-12 2014-08-20 カシオ計算機株式会社 Display device and electronic clock
JP7205073B2 (en) * 2018-04-23 2023-01-17 セイコーエプソン株式会社 electronic clock

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3398245A (en) * 1966-09-13 1968-08-20 United Carr Inc Printed circuit switch
JPS5542356B2 (en) * 1972-12-22 1980-10-30
JPS5454077A (en) * 1977-10-06 1979-04-27 Seiko Instr & Electronics Ltd Calendar collecting device for analog electronic watch
JPS5658680A (en) * 1979-10-18 1981-05-21 Seikosha Co Ltd Time detection device
JPS6051478A (en) * 1983-08-26 1985-03-22 Seiko Instr & Electronics Ltd Electronic timepiece
JPS6066180A (en) * 1983-09-21 1985-04-16 Seikosha Co Ltd Time signal timepiece
GB2217914B (en) * 1988-04-23 1992-02-19 Proizv Ob Mi Chasovoi Z Switching device for electronic watch
CH685660B5 (en) * 1992-09-09 1996-03-15 Asulab Sa Timepiece provided with drive means forms by a piezoelectric motor.
CH688950B5 (en) * 1995-08-22 1998-12-31 Ebauchesfabrik Eta Ag Synchronization device of an analog display with an electronic counter in a timepiece.

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EP0874292A2 (en) 1998-10-28
CN1204790A (en) 1999-01-13
EP0874292A3 (en) 1999-03-03
DE69831998T2 (en) 2006-04-20
HK1019775A1 (en) 2000-02-25
DE69831998D1 (en) 2005-12-01
EP0874292B1 (en) 2005-10-26

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Correct: Nakashima Eknichi|Inada Akihiko|Satodate Takayuki|Shi Jingman|Kentao Akihiro|Koyama Yoshio|Suzuki Shigeo|Masayuki Kawata|Sasaki Yuko|Takakuwa Eriko

False: Nakashima Eknichi|Inada Akihiko|Satodate Takayuki|Shi Jingman|Operate between Peng Hong|Koyama Yoshio

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