CN104866149A - Intelligent device with function of preventing false touch - Google Patents
Intelligent device with function of preventing false touch Download PDFInfo
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- CN104866149A CN104866149A CN201510027460.8A CN201510027460A CN104866149A CN 104866149 A CN104866149 A CN 104866149A CN 201510027460 A CN201510027460 A CN 201510027460A CN 104866149 A CN104866149 A CN 104866149A
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 67
- 230000008859 change Effects 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 21
- 230000006698 induction Effects 0.000 claims description 15
- 239000012858 resilient material Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract 6
- 230000000875 corresponding effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 230000008520 organization Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000012811 non-conductive material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0338—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Push-Button Switches (AREA)
- Position Input By Displaying (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention provides an intelligent device with a function of preventing false touch. The intelligent device comprises a capacitive button module. The capacitance type key module comprises a contact layer, a first electrode layer, a second electrode layer and an elastic layer. The first electrode of the first electrode layer and the second electrode of the second electrode layer form a first sensing capacitor. The second electrode and the third electrode of the second electrode layer form a second sensing capacitor. When the elastic layer is deformed by pressure to change the first sensing capacitor, a pressing signal is generated according to the capacitance value change of the first sensing capacitor. When the conductor contacts or is close to the contact layer to cause the second sensing capacitor to change, a displacement signal is generated according to the change of the capacitance value of the second sensing capacitor. The invention can execute different functions through the capacitive key module and can avoid the user from touching the functions by mistake.
Description
Technical field
The present invention relates to a kind of intelligent apparatus, and in particular to a kind of, there is the intelligent apparatus preventing false touch function.
Background technology
In recent years, intelligent apparatus such as mobile phone, panel computer etc. is used gradually widely because of its convenience.Intelligent apparatus often has at least one button, and this button is arranged at the side of intelligent apparatus usually.User through this button operation intelligent apparatus, such as, can unlock the screen of intelligent apparatus, the volume adjusting intelligent apparatus etc.
Button set on traditional intelligent apparatus roughly can be divided into two classes: mechanical key and capacitance key.
The feature of mechanical key is, mechanical key carries out the action of signal triggering by switch (switch) coming.Under general state, switch is withstood by trip, and electrical isolation particular conductor, therefore does not have signal and be triggered.When user applies strength to mechanical key, switch can be depressed, and is electrically connected with particular conductor, and then trigger pip.Mechanical key easily because be pressed repeatedly, and causes fault.
The principle of capacitance key is then utilize body capacity effect to change the small electric capacitance in capacitance key, and then allows control chip the subtle change of capacitance be detected, to judge whether capacitance key is pressed.Although capacitance key compares because of contacting repeatedly, and can not cause fault, compared to mechanical key, there is the situation of false touch than being easier in capacitance key.For example, when intelligent apparatus is placed on knapsack or pocket by user, button may suffer external force and be triggered, so the screen of intelligent apparatus is opened or volume adjustment etc.
Above-mentioned false touch situation, against the original idea of user, therefore, needs a kind of design of intelligent apparatus, and intelligent apparatus can be prevented by false touch, and can avoid button because repeatedly press and out of order situation.
Summary of the invention
The embodiment of the present invention provides a kind of and has the intelligent apparatus preventing false touch function.Described intelligent apparatus comprises capacitance key module.Capacitance key module is arranged at intelligent apparatus.Described capacitance key module also comprises contact layer, the first electrode layer, the second electrode lay and elastic layer.First electrode layer comprises at least one first electrode.The second electrode lay is arranged under contact layer, and it comprises at least one second electrode and at least one 3rd electrode.Elastic layer is arranged between the first electrode layer and the second electrode lay, the distance changed between the first electrode layer and the second electrode lay in order to produce deformation when accepting pressure.First electrode and the second electrode form the first inductance capacitance.Second electrode and the 3rd electrode form the second inductance capacitance.In elastic layer accept pressure produce deformation cause the first inductance capacitance to change time, produce pressing signal according to the capacitance variation of the first inductance capacitance.In conductor contact or when causing the second inductance capacitance to change near contact layer, the capacitance variation according to the second inductance capacitance produces displacement signal.
The embodiment of the present invention provides a kind of and has the intelligent apparatus preventing false touch function.Described intelligent apparatus comprises capacitance key module.Capacitance key module is arranged at intelligent apparatus.Described capacitance key module also comprises contact layer, the first electrode layer, the second electrode lay and elastic layer.First electrode layer comprises at least one first electrode.The second electrode lay is arranged under contact layer, and it comprises at least one second electrode.Elastic layer is arranged between the first electrode layer and the second electrode lay, the distance changed between the first electrode layer and the second electrode lay in order to produce deformation when pressing operation.First electrode and the second electrode form the first inductance capacitance.In elastic layer accept this pressure produce deformation cause this first inductance capacitance to change time, produce pressing signal according to the capacitance variation of the first inductance capacitance.
In sum, the intelligent apparatus of the embodiment of the present invention has the function preventing false touch.When the control module of intelligent apparatus at least will receive pressing signal, control module just can control intelligent apparatus accordingly and perform specific action.That is, when control module only receives displacement signal, it can't perform specific action.When the capacitance key module of intelligent apparatus is slightly touched because of carelessness, this trigger action can be judged as false touch by intelligent apparatus.Thus, intelligent apparatus can avoid the generation of false touch effectively.
Further understand feature of the present invention and technology contents for enable, refer to following detailed description for the present invention and accompanying drawing, but these illustrate and appended accompanying drawing is only used for the present invention is described, but not any restriction is done to interest field of the present invention.
Accompanying drawing explanation
Figure 1A is the schematic diagram of the intelligent apparatus of the embodiment of the present invention.
Schematic diagram when Figure 1B is the intelligent apparatus pressurized of the embodiment of the present invention.
Fig. 2 is the Organization Chart of the capacitance key module of the embodiment of the present invention.
Fig. 3 A ~ Fig. 3 B is the making schematic diagram of the capacitance key module of the embodiment of the present invention respectively.
Fig. 4 is the Organization Chart of the capacitance key module of another embodiment of the present invention.
Fig. 5 is the distribution of electrodes schematic diagram of the capacitance key module of the embodiment of the present invention.
Fig. 6 is the distribution of electrodes schematic diagram of the capacitance key module of another embodiment of the present invention.
Fig. 7 A ~ Fig. 7 B is the Organization Chart of the capacitance key module of another embodiment of the present invention respectively.
Fig. 8 is the Organization Chart of the capacitance key module of another embodiment of the present invention.
Wherein, description of reference numerals is as follows:
1: intelligent apparatus
10,10 ', 70,70 ', 80: capacitance key module
11: control module
101,701,701 ', 801: the first electrode layers
102,702,702 ': elastic layer
103,703,703 ', 803: the second electrode lay
104,704,704 ', 804: contact layer
105,105: soft board
111: control module
802: flexible member
1051: bending region
1011, the 1011 ': the first electrode
1031: the second electrodes
1032: the three electrodes
C1: the first inductance capacitance
C2: the second inductance capacitance
Embodiment
Hereafter various exemplary embodiments will be described more fully referring to annexed drawings, in annexed drawings, show some exemplary embodiments.But concept of the present invention may embody in many different forms, and should not be construed as and be limited to set forth exemplary embodiments herein.Specifically, these exemplary embodiments are provided to make the present invention for detailed and complete, and will will fully pass on the category of concept of the present invention to those skilled in the art.In all accompanying drawings, size and the relative size in Ceng Ji district can be lavished praise on oneself in order to know.Similar numeral indicates like all the time.
Although should be understood that and term first, second, third, etc. may be used herein to describe various element or signal etc., these elements or signal should not limit by these terms.These terms are distinguish an element and another element, or a signal and another signal.In addition, as used herein, term "or" may comprise all combinations listing any one or many persons in project be associated depending on actual conditions.
Refer to Figure 1A, Figure 1A is the schematic diagram of the intelligent apparatus of the embodiment of the present invention.Intelligent apparatus 1 comprises capacitance key module 10 and control module 11.Capacitance key module 10 is arranged at intelligent apparatus 1 surface, on the better side being arranged on intelligent apparatus 1 of capacitance key module 10, in order to provide user's operative intelligence device 1.Capacitance key module 10 can be such as unlock switch or the volume control switch of intelligent apparatus 1, but not as limit.User can through this capacitance key module 10 of operation to produce pressing signal and displacement signal.In addition, capacitance key module 10 comprises the first electrode layer 101, elastic layer 102, the second electrode lay 103 and contact layer 104.Thin portion structure as capacitance key module 10 will describe in detail in below paragraph.
Refer to Figure 1B, schematic diagram when Figure 1B is the intelligent apparatus pressurized of the embodiment of the present invention.User operates this capacitance key module 10 by a conductor (such as pointing).
Refer to Fig. 2, Fig. 2 is the Organization Chart of the capacitance key module of the embodiment of the present invention.Capacitance key module 10 comprises the first electrode layer 101, elastic layer 102, the second electrode lay 103 and contact layer 104.Contact layer 104 is preferably and is formed with electrically non-conductive material, carries out displacement operation and pressing operation thereon in order to provide user.
First electrode layer 101 has at least one first electrode (Fig. 2 does not illustrate).The second electrode lay 103 is arranged under contact layer 104, and the second electrode lay 103 comprises at least one second electrode (Fig. 2 does not illustrate) and at least one 3rd electrode (Fig. 2 does not illustrate).First electrode and the second electrode form the first inductance capacitance, and the first electrode or the second electrode are in order to produce pressing signal according to the capacitance variation of the first inductance capacitance.Second electrode and the 3rd electrode form the second inductance capacitance, and the second electrode or the 3rd electrode produce displacement signal in order to the capacitance variation according to the second inductance capacitance.
Elastic layer 102 is arranged between the first electrode layer 101 and the second electrode lay 103.Elastic layer 102 is made up of nonconducting resilient material, such as rubber or sponge.When user presses elastic layer 10, elastic layer 102 produces deformation and changes the distance between the first electrode layer 101 and the second electrode lay 103, and then affects the first inductance capacitance between the first electrode and the second electrode.
In detail, when the finger presses elastic layer 102 of user is to perform pressing operation, the first electrode corresponding to the place that user presses and the distance between the second electrode can change, and then change the first inductance capacitance between the first electrode and the second electrode.The capacitance variation produced by the first inductance capacitance can calculate the region of finger presses, and corresponding generation one pressing signal.When user finger contact or near contact layer 104 to perform displacement operation time, the second inductance capacitance between the second electrode of correspondence and the 3rd electrode can be affected, and and then affects the capacitance that these second inductance capacitances produce.The capacitance variation produced by these second inductance capacitances can calculate the region of finger process, and corresponding generation displacement signal.
Subsidiary one carries, and the first electrode affected when pressing capacitance key module 10 by user or the second number of electrodes can judge that user presses the power of capacitance key module 10 further.When the first electrode be affected or the second number of electrodes more, represent that the pressure that user presses capacitance key module 10 is comparatively large, now generations is pressed signal by the first electrode or the second electrode.When the first electrode be affected or the second number of electrodes less, then represent that user presses the pressure of capacitance key module 10 less, the first electrode or the second electrode will not produce pressing signal.That is, situation about being pressed according to the first electrode or the second electrode can judge current user's applied pressure size.
Therefore, when finger presses capacitance key module 10 (such as capacitance key module 10 is near the block of top) of user, capacitance key module 10 produces according to the capacitance variation of its first inductance capacitance (being formed by the first electrode of the first electrode layer 101 and the second electrode of the second electrode lay 103) and presses signal.When the finger contact capacitance key module 10 starting of user slide (such as by the block of capacitance key module 10 near top downwards block slide) time, capacitance key module 10 produces displacement signal according to the capacitance variation of its second inductance capacitance (being formed by the second electrode of the second electrode lay 103 and the 3rd electrode).The control module (Figure 1B does not illustrate) of control module 11 receives pressing signal or controls intelligent apparatus 1 after receiving pressing signal and displacement signal again and performs corresponding action.
For example, when capacitance key module 10 is as unlock switch, user can through pressing capacitance key module 10 to produce pressing signal.After control module 11 receives pressing signal, control intelligent apparatus 1 is unlocked its screen by its control module.Or user can press capacitance key module 10 to produce pressing signal and displacement signal through pressing and sliding.After control module 11 receives pressing signal and displacement signal, control intelligent apparatus 1 is unlocked its screen by its control module.
Again for example, when capacitance key module 10 is volume control switch, user presses capacitance key module 10 to produce pressing signal and displacement signal through pressing and sliding equally.After control module 11 receives pressing signal and displacement signal, control intelligent apparatus 1 is adjusted its volume by its control module.It is noted that the function of above-mentioned lifted capacitance key module 10 correspondence is only citing, the present invention does not limit the function of capacitance key module 10 correspondence.In embodiment below, capacitance key module 10 has the function of unlock switch and volume control switch simultaneously.
Refer to Fig. 3 A ~ Fig. 3 B, Fig. 3 A ~ Fig. 3 B is the making schematic diagram of the capacitance key module of the embodiment of the present invention respectively.First electrode layer 101 is directly formed with the second electrode lay 103 on a soft board 105, and is formed at the both sides in the bending region 1051 of soft board 105 separately.After first electrode layer 101 directly arranges elastic layer 102, soft board 105 can be bent, to form the structure as Fig. 3 B.It is worth mentioning that, the present embodiment arranges elastic layer 102 on the first electrode layer 101, but not as limit.In other embodiments, elastic layer 102 also can be arranged on the second electrode lay 103, or is arranged on the first electrode layer 101 and the second electrode lay 103 simultaneously.
Part overlapping with the second electrode lay 103 in soft board 105 can be further used as contact layer 104, to provide user its enterprising line displacement operation and pressing operation.In other words, contact layer 104 can be directly a part for soft board 105.Certainly, the embodiment of the present invention is not restricted to this, contact layer 104 can also additionally be arranged in soft board 105 with the second electrode lay 103 lap above an independent insulation course.
Fig. 4 is the Organization Chart of the capacitance key module of another embodiment of the present invention.The second electrode lay 103 of the present embodiment has at least one second electrode 1031 and at least one 3rd electrode 1032, and the first electrode layer 101 has first electrode (Fig. 4 does not illustrate).Not conducting each other (electrically isolated) between second electrode 1031 and the 3rd electrode 1032, and there is the second inductance capacitance C2 mutually.Between the second electrode 1031 and the first electrode, there is the first inductance capacitance C1 mutually.
First electrode of the first electrode layer 101 is better can be drive electrode.Second electrode 1031 of the second electrode lay 103 can be induction electrode, and the 3rd electrode 1032 can be drive electrode.Drive electrode is in order to send drive singal, and induction electrode is in order to export pressing signal or displacement signal accordingly according to the capacitance variation of the first inductance capacitance C1 or the second inductance capacitance C2.The electrode number of drive electrode can only arrange 1, but also can arrange multiple drive electrode according to different application.The electrode number of induction electrode is better is greater than 1, can detect the first inductance capacitance C1 and the second inductance capacitance C2 of multiple position.
When the finger presses of user is at contact layer 104 and when performing pressing operation, the distance between the second corresponding electrode 1031 and the first electrode can be changed, and then the electric field affected between two electrodes change the capacitance of the first inductance capacitance C1 detected by the second electrode 1031.The capacitance variation produced according to the first corresponding inductance capacitance C1 can judge power and the position of finger presses.When the finger contact of user or near contact layer 104 when performing displacement operation, the electric field arround affecting between the second electrode 1031 and the 3rd electrode 1032, and then the capacitance changing corresponding the second inductance capacitance C2 detected by the second electrode 1031.The capacitance variation produced according to the second corresponding inductance capacitance C2 can judge the sense of displacement pointed and velocity of displacement.
In more detail, contact layer 104 can carry out displacement operation and pressing operation thereon in order to provide user.Elastic layer 102 is arranged between the first electrode layer 101 and the second electrode lay 103 equally, the distance changed between the first electrode layer 101 and the second electrode lay 103 in order to produce deformation when pressing operation.First electrode of the first electrode layer 101 and the 3rd electrode 1032 of the second electrode lay 103 are drive electrodes.Second electrode 1031 of the second electrode lay 103 is induction electrodes.When user carries out pressing operation, the second electrode 1031 is in order to produce pressing signal according to the capacitance variation of the first inductance capacitance C1.When user carries out displacement operation, the second electrode 1031 produces displacement signal in order to the capacitance variation according to the second inductance capacitance C2.
When the second electrode 1031 detects that the capacitance of the first inductance capacitance C1 presents the trend of increase, can judge that finger presses causes the first electrode layer 101 reduce with the distance of the second electrode lay 103 and the capacitance of the first inductance capacitance C1 is increased.When the capacitance variation of the first inductance capacitance C1 is more than the first change threshold, the second corresponding electrode 1031 is by generation pressing signal.It is noted that the present invention does not limit the numerical value of the first change threshold, user can sets itself first change threshold on demand.
On the other hand, the capacitance of the second inductance capacitance C2 detected when the second electrode 1031 presents the trend of minimizing, can judge conductor (as finger) contact or near contact layer 104, the capacitance of the second inductance capacitance C2 between the second electrode 1031 and the 3rd electrode 1032 be reduced.When the capacitance variation of the second inductance capacitance C2 is more than the second change threshold, the second corresponding electrode 1031 will produce displacement signal.It is noted that the present invention does not limit the numerical value of the second change threshold, user can sets itself second change threshold on demand.
It is worth mentioning that, in the embodiment of the present invention, the second electrode 1031 is induction electrode, and the first electrode and the 3rd electrode 1032 are drive electrode.But the present invention is not as limit.In other embodiments, the second electrode 1031 can be drive electrode, and the first electrode and the 3rd electrode 1032 can be induction electrode.The present invention does not limit the second electrode 1031 and is necessary for induction electrode, and the first electrode and the 3rd electrode 1032 are necessary for drive electrode.In addition, the present invention does not also limit the electrode number of drive electrode and induction electrode.In brief, in capacitance key module 10, the electrode number of drive electrode is more than or equal to 1, and the electrode number of induction electrode is greater than 1.
Coordinate Fig. 4, refer to Fig. 5, Fig. 5 is the distribution of electrodes schematic diagram of the capacitance key module of the embodiment of the present invention.As shown in Figure 5, the side of soft board 105 is provided with the first electrode layer 101, and the opposite side of corresponding first electrode layer 101 is provided with the second electrode lay 103.First electrode layer 101 comprises first electrode 1011.The second electrode lay 103 comprises multiple second electrode 1031 and multiple 3rd electrode 1032, and the second electrode 1031 and the 3rd electrode 1032 are arranged in the matrix of 4*4.Second electrode 1031 and the 3rd electrode 1032 electrically isolated from each other.In the present embodiment, the second electrode 1031 is induction electrode, and the first electrode 1011 and the 3rd electrode 1032 are drive electrode.Bending region 1051 directly carries out bending to form the structure shown in Fig. 3 B in order to provide soft board 105.Subsidiary one carries, and electrode number and the arrangement mode of above-mentioned second electrode 1031 and the 3rd electrode 1032 are only signal, and is not used to limit the present invention.
In the present embodiment, each second electrode 1031 has identical area, and each the 3rd electrode 1032 has identical area.But the present invention does not limit, the size of the second electrode 1031 and the 3rd electrode 1032.In other embodiments, partial second electrode 1031 also can have different area, and part the 3rd electrode 1032 has different area.In brief, user can the electrode number of designed, designed second electrode 1031 and the 3rd electrode 1032, electrode size and arrangement mode on demand.
First electrode 1011, second electrode 1031 and the 3rd electrode 1032 are electrically connected at the control module 111 of control module respectively through electrical cabling (traces).Control module 111 is in order to be received in the pressing signal that the first electrode 1011 or the second electrode 1031 produce under pressing operation, and the displacement signal that under being received in displacement operation, the second electrode 1031 or the 3rd electrode 1032 produce.When control module 111 receives pressing signal or receives pressing signal and displacement signal, control module 11 controls intelligent apparatus 1 and performs specific action, such as, unlock intelligent apparatus 1, or the volume of adjustment intelligent apparatus 1.That is, when control module 111 only receives displacement signal and do not receive pressing signal, control module 111 can not control intelligent apparatus 1 and perform specific action.Thus, intelligent apparatus 1 can prevent false touch effectively.
Refer to Fig. 6, Fig. 6 is the distribution of electrodes schematic diagram of the capacitance key module of another embodiment of the present invention.The distribution of electrodes of the capacitance key module 10 ' of Fig. 6 is roughly similar to the capacitance key module 10 of Fig. 5, is only described for not existing together below.With the capacitance key module 10 of Fig. 5 unlike, the first electrode layer of capacitance key module 10 ' comprises multiple first electrode 1011 ', and the first electrode 1011 ' is arranged in the matrix of 4*4.The same control module 111 being electrically connected at control module through electrical cabling (traces) of first electrode 1011 ', the second electrode 1031 and the 3rd electrode 1032, makes control module 111 can receive pressing signal and displacement signal.Subsidiary one carries, and electrode number and the arrangement mode of above-mentioned first electrode 1011 are only signal, and is not used to limit the present invention.In addition, the present invention does not limit the size of the first electrode 1011 equally must be identical, and user can designed, designed first electrode layer on demand.
Foregoing describes the structure and fuction of capacitance key module 10, the false touch function that prevents for intelligent apparatus 1 is conducted further description below.As shown in the above, when control module 111 receives pressing signal or receives pressing signal and displacement signal, just control intelligent apparatus 1 and perform specific action.
Multiple with reference to Figure 1A, Figure 1B, Fig. 4 and Fig. 5, for Figure 1A, Figure 1B, Fig. 4 and Fig. 5, when the finger presses contact layer 104 of user, the first electrode layer 101 can be caused to reduce with the distance of the second electrode lay 103 and the capacitance of the first inductance capacitance C1 is increased.When the capacitance variation of the first inductance capacitance C1 is more than the first change threshold, generation is pressed signal (with the present embodiment by the first corresponding electrode 1011 or the second electrode 1031, second electrode 1031 is induction electrodes, therefore pressing signal produced by the second electrode 1031).
In the present embodiment, when control module 111 receives pressing signal, control module 111 just can control intelligent apparatus 1 and perform specific action.For example, now specific action can for unlocking intelligent apparatus 1, and meaning and user press capacitance key module 10 just can make control module 111 unlock the screen of intelligent apparatus 1.
In another embodiment, except receiving pressing signal, control module 111 also will receive the screen that displacement signal just can unlock intelligent apparatus 1.For example, user first presses capacitance key module 10 to produce pressing signal, and then the finger of user slides to produce displacement signal on the contact layer 104 of capacitance key module 10.When control module 111 receives pressing signal and displacement signal, control module 111 just can control the screen that intelligent apparatus 1 unlocks intelligent apparatus 1.
In addition, in the present embodiment, control module 111 can also control according to pressing signal and displacement signal the specific action that intelligent apparatus 1 performs other.After the processing unit (figure does not illustrate) of control module 11 judges that pressing signal produces, processing unit controls intelligent apparatus 1 according to displacement signal instruction control module 111 and performs specific action within the set time.
In detail, during when the finger contact of user or near contact layer 104, the capacitance of the second inductance capacitance C2 that the second electrode 1031 detects presents the trend of minimizing.When the capacitance variation of the second inductance capacitance C2 is more than the second change threshold, the second corresponding electrode 1031 or the 3rd electrode 1032 will produce displacement signal (with the present embodiment, second electrode 1031 is induction electrodes, therefore displacement signal produced by the second electrode 1031).Now, the processing unit of control module 11 can judge the velocity of displacement of finger according to the electrode number producing displacement signal.When electrode number more multilist show that the velocity of displacement of finger is faster.Otherwise, when electrode number represents that the velocity of displacement of finger is slower more at least.It is noted that the present invention does not limit the length of set time, user can the length of designed, designed set time on demand.
Then, processing unit can calculate rate of displacement and the sense of displacement of finger further through the velocity of displacement of finger.When processing unit judges that the rate of displacement of finger exceedes rate-valve value, processing unit can export and judge that signal is to control module 111, judges the sense of displacement indicating finger in signal.Control module 111 is again according to pressing signal and judging that signal controls intelligent apparatus 1 and performs specific action.It is noted that the size of the present invention's not maximum speed limit threshold value, user can the size of designed, designed threshold speed on demand.
For example, when user wants the volume adjusting intelligent apparatus 1, user first can press capacitance key module 10 to produce pressing signal.After the processing unit of control module 11 judges that pressing signal produces, processing unit can start to calculate one period of set time.Within this period of set time, user can slide the volume adjusting intelligent apparatus 1 through its finger on the contact layer 104 of capacitance key module 10.
With the present embodiment, because capacitance key module 10 is arranged at the left side of intelligent apparatus 1, therefore definition finger by contact layer 104 top block downwards block move into by intelligent apparatus 1 turning down sound volume, and definition finger by contact layer 104 lower block upward block move for by intelligent apparatus 1 volume is heightened.But, the present invention not to be limited, user can self-defining finger the specific action corresponding to sense of displacement.
After the finger of user slides on the contact layer 104 of capacitance key module 10, the second corresponding electrode 1031 produces displacement signal according to the capacitance variation of the second inductance capacitance C2.Processing unit then calculates rate of displacement and the sense of displacement of finger according to displacement signal.When processing unit judges that the rate of displacement of finger exceedes rate-valve value, processing unit can export and judge that signal is to control module 111.Control module 111 is again according to pressing signal, displacement signal and judging that signal adjusts the volume of intelligent apparatus 1 accordingly.
Note that in the present embodiment at this, processing unit is arranged in control module 11.But the present invention is not as limit.In other embodiments, processing unit also can be arranged in capacitance key module 10,10 '.
Refer to Fig. 7 A ~ Fig. 7 B, Fig. 7 A ~ Fig. 7 B is the Organization Chart of the capacitance key module of another embodiment of the present invention respectively.The function of the capacitance key module 10 of the capacitance key module 70 of Fig. 7 A, the capacitance key module 70 ' of Fig. 7 B and Fig. 2 and similar, be only described for not existing together below.Capacitance key module 70, capacitance key module 70 ' are with the difference of capacitance key module 10, and the surface of the contact layer 104 of capacitance key module 10 is plane, and the surface of the contact layer 704 of capacitance key module 70 is convex surface.In addition, the surface of the contact layer 704 ' of the capacitance key module 70 ' of Fig. 7 B is then concave surface.
Refer to Fig. 8, Fig. 8 is the Organization Chart of the capacitance key module of another embodiment of the present invention.The capacitance key module 80 of Fig. 8 and the function of the capacitance key module 10 of Fig. 2 and similar, be only described for not existing together below.Capacitance key module 80 is with the difference of capacitance key module 10, and capacitance key module 80 does not arrange elastic layer (elastic layer 102 as Fig. 2).Instead, capacitance key module 80 is provided with at least one flexible member 802.The two ends of flexible member 802 are respectively coupled to the first electrode layer 801 and the second electrode lay 803, in order to support the first electrode layer 801 and the second electrode lay 803.Flexible member 802 is non-conductive material, such as rubber or sponge.Subsidiary one carries, as long as flexible member 802 can produce deformation and reinstatement when external force is eliminated in time being subject to pressing, there is no specific restriction.
In sum, the intelligent apparatus of the embodiment of the present invention has the function preventing false touch.When the control module of intelligent apparatus receives pressing signal or receives pressing signal and displacement signal simultaneously, control module just can control intelligent apparatus accordingly and perform specific action.That is, specific action can't be performed when control module only receives displacement signal.When the capacitance key module of intelligent apparatus is pressed to because of carelessness or slides, this trigger action can be judged as false touch by intelligent apparatus.Thus, intelligent apparatus can avoid the generation of false touch effectively.In addition on the one hand, owing to adopting the relation of elastic layer, the capacitance key module of intelligent apparatus compares can not as traditional mechanical key easily because repeatedly pressing and fault.
On the other hand, the intelligent apparatus of the embodiment of the present invention can also control according to the sense of displacement of the finger of pressing signal, displacement signal and user the action that intelligent apparatus performs other, such as, adjust volume.That is, the intelligent apparatus of the embodiment of the present invention can perform different functions through its capacitance key module, and intelligent apparatus can avoid these functions of user's false touch equally.
The above, be only the specific embodiment of the best of the present invention, and only feature of the present invention is not limited thereto, any those skilled in the art in the field of the invention, can think easily and change or modification, all can be encompassed in the scope of the claims of the present invention.
Claims (15)
1. there is the intelligent apparatus preventing false touch function, it is characterized in that, comprising:
One capacitance key module, is arranged at this intelligent apparatus, and this capacitance key module also comprises:
One contact layer;
One first electrode layer, comprises at least one first electrode;
One the second electrode lay, is arranged under this contact layer, comprises at least one second electrode and at least one 3rd electrode; And
Posterior limiting, is arranged between this first electrode layer and this second electrode lay, the distance changed between this first electrode layer and this second electrode lay in order to produce deformation when acceptance one pressure;
Wherein this first electrode and this second electrode form one first inductance capacitance, this second electrode and the 3rd electrode form one second inductance capacitance, in this elastic layer accept this pressure produce deformation cause this first inductance capacitance to change time, a pressing signal is produced according to the capacitance variation of this first inductance capacitance, in a conductor contact or when causing this second inductance capacitance to change near this contact layer, produce a displacement signal according to the capacitance variation of this second inductance capacitance.
2. intelligent apparatus as claimed in claim 1, wherein this second electrode is a drive electrode, and this first electrode and the 3rd electrode are induction electrode; Or this second electrode is an induction electrode, this first electrode and the 3rd electrode are drive electrode.
3. intelligent apparatus as claimed in claim 2, wherein an electrode number of this drive electrode is more than or equal to 1, and an electrode number of this induction electrode is greater than 1.
4. intelligent apparatus as claimed in claim 1, wherein this second electrode lay comprises multiple second electrode and multiple 3rd electrode, and described multiple second electrode of part has different area to each other and described multiple 3rd electrode of part has different area to each other.
5. intelligent apparatus as claimed in claim 1, wherein this capacitance key module is electrically connected a control module, and this control module comprises a control module, and this control module is in order to control intelligent apparatus accordingly according to this pressing signal and this displacement signal.
6. intelligent apparatus as claimed in claim 5, wherein when this control module receives this pressing signal, according to this pressing signal, maybe this pressing signal and this displacement signal control intelligent apparatus and perform a specific action this control module.
7. intelligent apparatus as claimed in claim 5, wherein when the change of this first inductance capacitance is more than first change threshold, this second electrode or the first electrode produce this pressing signal.
8. intelligent apparatus as claimed in claim 7, wherein when a processing unit of this control module or this capacitance key module judges that this pressing signal produces, this processing unit indicates this control module to control intelligent apparatus according to this displacement signal and performs a specific action within a set time.
9. intelligent apparatus as claimed in claim 8, wherein when the change of this second inductance capacitance is more than second change threshold, this second electrode or the 3rd electrode produce this displacement signal, and this processing unit calculates a velocity of displacement of this finger according to this displacement signal.
10. intelligent apparatus as claimed in claim 9, wherein when this processing unit judges a rate of displacement of this velocity of displacement of this finger more than a rate-valve value, this processing unit indicates this control module control intelligent apparatus to perform a specific action according to a sense of displacement of this velocity of displacement.
11. intelligent apparatus according to any one of claim 6,8,9, wherein this specific action comprises the volume unlocking this intelligent apparatus or adjust this intelligent apparatus.
12. intelligent apparatus as claimed in claim 1, wherein this capacitance key module also comprises a soft board, and this soft board is in order to arrange this first electrode layer and this second electrode lay, and wherein this contact layer is a part for this soft board.
13. intelligent apparatus as claimed in claim 1, wherein this elastic layer is made up of a resilient material.
14. intelligent apparatus as claimed in claim 1, wherein this elastic layer is made up of at least one flexible member, and the two ends of this flexible member are respectively coupled to this first electrode layer and this second electrode lay.
15. 1 kinds have the intelligent apparatus preventing false touch function, it is characterized in that, comprising:
One capacitance key module, is arranged at this intelligent apparatus, and this capacitance key module also comprises:
One contact layer;
One first electrode layer, comprises at least one first electrode;
One the second electrode lay, is arranged under this contact layer, comprises at least one second electrode; And
Posterior limiting, is arranged between this first electrode layer and this second electrode lay, the distance changed between this first electrode layer and this second electrode lay in order to produce deformation when acceptance one pressure;
Wherein this first electrode and this second electrode form one first inductance capacitance, in this elastic layer accept this pressure produce deformation cause this first inductance capacitance to change time, according to this first inductance capacitance change generation one press signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810954585.9A CN108845724B (en) | 2014-02-24 | 2015-01-20 | Capacitive key module with function of preventing mistaken touch |
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| TW103106202 | 2014-02-24 | ||
| TW103106202 | 2014-02-24 |
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| CN201810954585.9A Division CN108845724B (en) | 2014-02-24 | 2015-01-20 | Capacitive key module with function of preventing mistaken touch |
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| CN201410315533.9A Active CN104866147B (en) | 2014-02-24 | 2014-07-03 | Capacitive finger navigation module and manufacturing method thereof |
| CN201710645960.7A Pending CN107479775A (en) | 2014-02-24 | 2014-07-03 | Capacitive finger navigation module |
| CN201510027460.8A Active CN104866149B (en) | 2014-02-24 | 2015-01-20 | Intelligent device with function of preventing false touch |
| CN201810954585.9A Active CN108845724B (en) | 2014-02-24 | 2015-01-20 | Capacitive key module with function of preventing mistaken touch |
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| CN201710645960.7A Pending CN107479775A (en) | 2014-02-24 | 2014-07-03 | Capacitive finger navigation module |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107479775A (en) | 2017-12-15 |
| CN108845724A (en) | 2018-11-20 |
| TW201533644A (en) | 2015-09-01 |
| CN104866149B (en) | 2018-09-18 |
| CN108845724B (en) | 2021-11-26 |
| CN104866147A (en) | 2015-08-26 |
| CN104866147B (en) | 2018-01-23 |
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