CN202947750U - Transmitter - Google Patents
Transmitter Download PDFInfo
- Publication number
- CN202947750U CN202947750U CN201220412984.0U CN201220412984U CN202947750U CN 202947750 U CN202947750 U CN 202947750U CN 201220412984 U CN201220412984 U CN 201220412984U CN 202947750 U CN202947750 U CN 202947750U
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- Prior art keywords
- magnetic sensor
- lid member
- luminescence unit
- magnet
- transmitter
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Abstract
The utility model provides a transmitter comprising a luminescence unit, a luminescence control unit, a magnetic sensor coupled with the luminescence control unit; and a cover component with a magnet. Specifically, the luminescence control unit is used for controlling the opening or closing of the luminescence unit; and the cover component can be switched between a closing position for covering the luminescence unit and an opening position for exposing the luminescence unit. When the cover component is at the closing position, the magnetic sensor can generate an output for indicating that the cover component is at the closing position according to the magnetic field of the magnet. The luminescence control unit is configured to control the luminescence control unit according to the output, so that the luminescence unit is closed under the circumstances that the output for indicating that the cover component is at the closing position exists.
Description
Technical field
The utility model relates to transmitter.
Background technology
The sensor that is applied to industry spot, energy outputting standard signal is called as transmitter.Transmitter will be converted to the output of standard electric signal or export in the communications protocol mode by physical measurement signal or the common electric signal that sensing obtains.
The transmitter parameter is set, checks that transmitter duty, scene obtain sense data for the ease of the execute-in-place person, generally be provided with the display panel that shows various parameters and sense data and/or the guidance panel that is used for arranging various parameters on transmitter, such as touch-screen etc.
Because transmitter is arranged on industry spot, and the environment of industry spot is very complicated, directly expose to the open air outside input panel may because a variety of causes by maloperation, for example, branch drops or flying bird stops the erroneous input that falls to causing.
Whether in addition, in existing transmitter, no matter have the operator watch or operate, the open mode that always is in backlight of display panel and/or guidance panel has caused the waste of electric power.
The utility model content
The application's purpose is to provide a kind of transmitter that can avoid the maloperation of the guidance panel that causes due to site environment, and this transmitter can be closed the luminescence unit on it in good time.
In addition, another purpose of the application is to provide a kind of control method that can in good time close the luminescence unit on transmitter.
According to aspect of the utility model, a kind of transmitter is provided, comprise luminescence unit, it is characterized in that, described transmitter also comprises: can and expose the lid member with magnet that switches between the open position of described luminescence unit to the open air in the off-position that hides described luminescence unit; Magnetic sensor is used for producing according to the magnetic field of described magnet the output that the described lid member of expression is in described off-position or described open position; Luminous controling unit, be coupled to described magnetic sensor, be used for controlling according to the described output of described magnetic sensor the opening and closing of described luminescence unit, make and close described luminescence unit when described output represents that described lid member is in described off-position, open described luminescence unit when described output represents that described lid member is in described open position.
According to aspect of the utility model, a kind of transmitter is provided, comprising: luminescence unit; Luminous controling unit is used for controlling the opening and closing of luminescence unit; Magnetic sensor with the luminous controling unit coupling; And can and expose the lid member with magnet that switches between the open position of luminescence unit to the open air in the off-position that hides luminescence unit, wherein in the situation that the lid member is in the closed position, magnetic sensor can produce expression and cover member output in the closed position according to the magnetic field of magnet, wherein, luminous controling unit is configured to control luminescence unit according to output, makes in the situation that exists and represent that covering member output luminescence unit in the closed position closes.
In one embodiment, in the situation that the lid member is shown in an open position, magnetic sensor can produce expression and cover the output that member is shown in an open position according to the magnetic field of magnet, and, luminous controling unit can be configured to cover according to expression the output control luminescence unit that member is shown in an open position, make in the situation that exist the expression cover the output that member is shown in an open position, luminescence unit is opened.
In one embodiment, the lid member can be configured to cover-lifting type.
In one embodiment, the lid member can be configured to sliding cover type.
In one embodiment, the lid member can comprise at least two parts, and the state that each several part is spaced apart from each other is corresponding to open position, and the state that each several part joins each other is corresponding to off-position.
In one embodiment, otherwise magnet and magnetic sensor can be arranged such that at the lid member from open position at utmost to off-position or during from off-position to open position operation at utmost, the intensity monotone variation in the magnetic field that magnet produces at the magnetic sensor place.
In one embodiment, transmitter can also comprise for the display panel of display parameter and/or sense data and/or be used for the guidance panel of parameters, and wherein, luminescence unit is configured to provide backlight to display panel or guidance panel.
In one embodiment, luminescence unit can be lbd display unit or liquid crystal display.
In one embodiment, in the situation of the magnetic field intensity that detects higher than predetermined threshold, magnetic sensor can produce expression and cover the output that member is in described off-position, covers otherwise produce expression the output that member is shown in an open position.
In one embodiment, in the situation of the magnetic field intensity that detects lower than predetermined threshold, magnetic sensor can produce expression and cover the output that member is in described off-position, covers otherwise produce expression the output that member is shown in an open position.
Use is according to the application's transmitter and control the method for the luminescence unit on transmitter, the maloperation to the guidance panel on transmitter that can effectively avoid the site environment due to complexity to cause.In addition, can close as required the luminescence unit on transmitter, such as the back light unit of the display panel/guidance panel of transmitter in good time.Thereby, reduce unnecessary power consumption.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing to embodiment of the present utility model, can understand more easily above and other objects, features and advantages of the present utility model.In the accompanying drawings, identical or technical characterictic or parts correspondence will adopt identical or corresponding Reference numeral to represent.Needn't go out according to scale size and the relative position of unit in the accompanying drawings.
Fig. 1 is the block diagram that illustrates according to the structure of the transmitter of the utility model embodiment;
Fig. 2 is that the magnets magnetic fields that illustrates according to the utility model embodiment detects schematic diagram;
Fig. 3 is the schematic diagram that the voltage signal that produces according to the magnetic field of magnet according to the magnetic sensor of the utility model embodiment is shown;
Fig. 4 is the process flow diagram that illustrates according to the luminescence unit control method of the utility model embodiment;
Fig. 5 is the process flow diagram that illustrates according to the luminescence unit control method of another embodiment of the utility model;
Fig. 6 is the stereographic map that illustrates according to the example of the transmitter of the utility model embodiment;
Fig. 7 illustrates according to the magnetic sensor of the utility model embodiment and the circuit diagram that is connected of luminous controling unit.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.Should be noted that for purpose clearly, omitted, expression and description well known by persons skilled in the art parts and processing irrelevant with the utility model in accompanying drawing and explanation.
As shown in fig. 1, transmitter 100 comprises luminescence unit 101, luminous controling unit 102, magnetic sensor 103, and the lid member 104 of having magnet 1.
Luminescence unit 101 can be for example to provide back light unit backlight for display unit set on transmitter and/or operating unit.
The opening and closing of 102 pairs of luminescence units 101 of luminous controling unit are controlled.Lid member 104 can and expose to the open air between the open position of luminescence unit 101 in the off-position that hides luminescence unit 101 and switch (not shown this position relationship in Fig. 1).Magnetic sensor 103 and luminous controling unit 102 couplings, thus can communicate with luminous controling unit 102.Magnetic sensor 103 can in the situation that lid member 104 be in above-mentioned off-position, cover member 104 output in the closed position according to the magnetic field generation expression of magnet 1, and this output is offered luminous controling unit 102.Luminous controling unit 102 is configured to according to this expression lid member 104 output in the closed position and controls luminescence unit 101, makes in the situation that exists and represent to cover member 104 output in the closed position, and luminescence unit 101 is closed.
Luminescence unit 101 can adopt any type of luminescent device, such as light emitting diode or liquid crystal display etc.
The kind of the magnet of magnet 1 use, volume, magnetic size can need according to design, the requirement of institute's employing magnetic sensor etc. determined.Be used for the site environment of various complexity due to transmitter, may be subject to various interference, thereby preferably use the larger magnet of magnetic, can select in case of necessity the larger magnet of volume, thereby guarantee the accuracy of sensing.
The position relationship that the lid structure of member 104 and form, magnet 1 invest the layout of the layout of the position covered on member 104 and magnet 1 and magnetic sensor 103 will in the embodiment of back, for example in embodiment shown in Figure 6, be described.
The schematic diagram that the magnetic field of 103 pairs of magnets 1 of magnetic sensor shown in Fig. 2 is detected.Along with the lid member 104 of magnet 1 in the off-position that hides luminescence unit 101 with expose to the open air between the open position of luminescence unit 101 and switch, be arranged in the magnetic line of force in magnetic sensor 103 cutting magnet 1 magnetic fields that produce in transmitter 100.Thereby magnetic sensor 103 detects due to the change variation in magnetic field of institute's sensing of causing of the distance with magnet 1.Specifically, when magnet 1 moved closer to magnetic sensor 103, the magnetic field intensity of the magnet 1 that magnetic sensor 103 senses strengthened gradually; During gradually away from magnetic sensor, the magnetic field intensity of the magnet 1 that magnetic sensor 103 senses weakens gradually when magnet 1.Therefore, the variation of the magnetic field intensity that senses according to magnetic sensor 103 can be determined the distance between magnet 1 and magnetic sensor 103, thereby further determines to cover the opening and closing state of member 104.
In certain embodiments, for example, magnetic sensor 103 can cover member 104 output in the closed position in the situation that the magnetic field intensity that detects higher or lower than predetermined threshold, produces expression.
About the setting of threshold value, for example, the magnetic field intensity in the time of can covering member 104 and be opened to specific degrees is set to threshold value.This specific degrees of opening is such as referring to: lid member 104 is about to arrive degree, the lid member 104 of off-position and opens 1/3 degree etc.After Threshold was completed, in the situation that the detected magnetic field intensity of magnetic sensor 103 is higher or lower than this setting threshold, magnetic sensor 103 produced expression and covers the output that member 104 is in open/close position.
For example, when the distance between magnet 1 and magnetic sensor 103 is set to along with lid member 104 switches to off-position and when diminishing from open position, during higher than predetermined threshold, magnetic sensor 103 produces expression and covers member 104 output in the closed position in the magnetic field intensity that detects.When the distance between magnet 1 and magnetic sensor 103 is set to along with lid member 104 switches to off-position and when becoming large from open position, during lower than predetermined threshold, magnetic sensor 103 produces expression and covers member 104 output in the closed position in the magnetic field intensity that detects.
In certain embodiments, be shown in an open position or off-position in order to determine more exactly to cover member 104, magnet 1 and magnetic sensor 103 can be arranged so that at lid member 104 from open position at utmost to off-position, otherwise or from off-position to open position at utmost during operation, the intensity monotone variation in the magnetic field that magnet 1 produces at magnetic sensor 103 places.For example, the dull change greatly, or dullness reduces.
Schematically shown the voltage signal of magnetic sensor 103 according to the magnetic field generation of magnet 1 in Fig. 3.Wherein, the N utmost point of Reference numeral " N " expression magnets magnetic fields, the S utmost point of " S " expression magnets magnetic fields.M
OPAnd M
RPIt is determined threshold value as described above.As shown in the solid arrow of Fig. 3, when magnet 1 moves closer to magnetic sensor 103, the magnetic field intensity that magnetic sensor 103 detects surpasses M
OPThe time, the output voltage V of magnetic sensor 103
OUTFrom high level V
OHBecome low level V
OLSuppose in certain embodiments, process from open position to off-position that operate from of lid member 104, appended magnet 1 close magnetic sensor 103 gradually on lid member 104, the magnetic field intensity that detects of magnetic sensor 103 is more and more stronger.When detected magnetic field intensity greater than M
OPThe time, can determine to cover member 104 and switch to off-position from open position.At this moment, magnetic sensor 103 produces expression and covers member output in the closed position.As shown in Figure 3, magnetic sensor 103 produces from high level V
OHBecome low level V
OLOutput voltage V
OUT
Flow process below in conjunction with luminous controling unit control method shown in Figure 4 describes the method for controlling the luminescence unit in transmitter.
In step S401, make in the off-position that hides luminescence unit 101 and to expose to the open air between the open position of luminescence unit 101 with the lid member 104 of magnet 1 and switch.
In step S402, use magnetic sensor 103 to detect the magnetic field that magnet 1 produces.Switch opening and closing between the position along with magnet 1 lid member 104 attached to it, magnet 1 changes with the distance of magnetic sensor 103.The magnetic field of magnetic sensor 103 cutting magnets 1, thereby the variation of detection magnetic field intensity.
In step S403, in the situation that lid member 104 is in the closed position, magnetic sensor 103 covers member 104 output in the closed position according to the magnetic field generation expression of magnet 1.For example, whether magnetic sensor 103 to determine to cover member 104 according to detected magnetic field intensity and default threshold value in the closed position.In the situation that determine that it is in the closed position covering member 104, magnetic sensor 103 produces expression and covers member 104 output in the closed position, and is transported to luminous controling unit 102.
In step S404, luminous controling unit 102 makes luminescence unit 101 close or remain on closed condition according to the input control luminescence unit 101 from magnetic sensor 103.
Get back to Fig. 3, in certain embodiments, except utilizing the shown output signal of solid arrow in Fig. 3 to change, can also consider simultaneously such situation: as shown in dotted arrow, gradually away from magnetic sensor 103, the magnetic field intensity that magnetic sensor 103 detects is lower than threshold value M when magnet 1
RPThe time, the output voltage V of magnetic sensor 103
OUTFrom low level V
OLBecome high level V
OH
For example, in certain embodiments, process from open position to off-position that operate from of lid member 104, appended magnet 1 close magnetic sensor gradually on lid member 104, the magnetic field intensity that detects of magnetic sensor 103 is more and more stronger.When detected magnetic field intensity greater than M
OPThe time, can determine to cover member 104 and switch to off-position from open position.At this moment, magnetic sensor 103 produces expression and covers member output in the closed position.As shown in Figure 3, magnetic sensor 103 produces from high level V
OHBecome low level V
OLOutput voltage V
OUT
On the contrary, lid member 104 by the process of the operation from off-position to open position, lid on member 104 appended magnet 1 gradually away from magnetic sensor, the magnetic field intensity that detects of magnetic sensor 103 more and more a little less than.When detected magnetic field intensity lower than M
RPThe time, can determine to cover member 104 and switch to open position from off-position.At this moment, magnetic sensor 103 produces expression and covers the output that member is shown in an open position.Such as the example of Fig. 3, magnetic sensor 103 produces from low level V
OLBecome high level V
OHOutput voltage V
OUT
The signal input part coupling of the signal output part of magnetic sensor 103 and luminous controling unit 102.Find to exist expression when luminous controling unit 102 and cover in the situation of member 104 output in the closed position, for example, when luminous controling unit 102 finds to exist output voltage V
OUTFrom high level V
OHTo low level V
OLSaltus step the time, perhaps, when luminous controling unit 102 finds to exist low level V
OLOutput voltage V
OUTThe time, luminous controling unit 102 makes luminescence unit 101 close or remain on closed condition.
Find to exist expression when luminous controling unit 102 and cover in the situation of the output that member 104 is shown in an open position, for example, when there is output voltage V in luminous controling unit 102 discoveries
OUTFrom low level V
OLTo high level V
OHSaltus step the time, perhaps, when luminous controling unit 102 finds to exist high level V
OHOutput voltage V
OUTThe time, luminous controling unit 102 makes luminescence unit 101 open or remain on open mode.
In Fig. 3, M
OPAnd M
RPBe shown as different values.Certainly, selectively, for example in the less demanding situation to operating accuracy, M
OPAnd M
RPCan adopt identical value.M shown in Fig. 3
OPAnd M
RPBetween the zone be called hysteresis area.One of purpose that hysteresis area is set is to prevent chattering.
Below in conjunction with Fig. 5, the luminescence unit control method according to another embodiment is described.
In step S501, with identical in the step S401 of Fig. 4, make in the off-position that hides luminescence unit 101 and to expose to the open air between the open position of luminescence unit 101 with the lid member 104 of magnet 1 and switch.
In step S502, with identical in the step S402 of Fig. 4, use magnetic sensor 103 to detect the magnetic field that magnet 1 produces.Switch opening and closing between the position along with magnet 1 lid member 104 attached to it, magnet 1 changes with the distance of magnetic sensor 103.The magnetic field of magnetic sensor 103 cutting magnets 1, thereby the variation of detection magnetic field intensity.
In the situation that lid member 104 is in the closed position, magnetic sensor 103 covers member 104 output in the closed position according to the magnetic field generation expression of magnet 1.For example, in step S503, whether magnetic sensor 103 determines to cover member 104 according to detected magnetic field intensity and default threshold value in the closed position.Be in the closed position proceed to step S504 if determine to cover member 104.
In step S504, magnetic sensor 103 produces expression and covers member 104 output in the closed position, and is transported to luminous controling unit 102.
In step S505, with identical in the step S404 of Fig. 4, luminous controling unit 102 makes luminescence unit 101 close (carry out shutoff operation or keep closed condition) according to the input control luminescence unit 101 from magnetic sensor 103.
With differently embodiment illustrated in fig. 4, for example, magnetic sensor 103 is determined to cover member 104 and is not in the closed position but when being shown in an open position, proceeds to step S506 in step S503.
In step S506, magnetic sensor 103 produces expression and covers the output that member 104 is shown in an open position, and is transported to luminous controling unit 102.
In step S507, luminous controling unit 102 makes luminescence unit 101 open (carry out opening operation or stay open state) according to the input control luminescence unit 101 from magnetic sensor 103.
Stereographic map below in conjunction with the example of the transmitter according to the utility model embodiment shown in Figure 6 is described the structural form of lid member 104 and the position relation of magnet and magnetic sensor.In this embodiment, the lid member is configured to cover-lifting type.Be understood that according to the layout of the luminescence unit of transmitter and the difference of shape, and other design considers, the lid member can also be configured to sliding cover type and other any form.For example, can construct such lid member: this lid member comprises at least two parts, and the state that each several part is spaced apart from each other is corresponding to the open position that exposes luminescence unit to the open air, and the state that each several part joins each other hides the off-position of luminescence unit corresponding to the lid member.One of example of this lid member is the lid member of scissors-type, perhaps, can be to cover member like similar camera lens cover.
Illustrate respectively the position of magnet 1 and magnetic sensor 103 in Fig. 6 with rectangle and square mark.But be understood that here, the position of magnet 1 on lid member 104, magnetic sensor 103 position on transmitter 100 main bodys no matter, and the relative position of magnet 1 and magnetic sensor 103 is all exemplary, according to the design needs, such as the equal factor of the form that adopts of lid member 104, other various set-up modes can also be arranged, as long as when lid member 104 switches between open position and off-position, magnetic sensor 103 cutting magnetic lines get final product.
In embodiment shown in Fig. 6, magnet 1 is arranged on and covers member 104 away from an end that lifts axle.Its advantage is that the variable in distance between magnet 1 and magnetic sensor 103 is maximum when lid member 104 switches from maximum open position to off-position.In this embodiment, when the lid member when being in off-position, nearest between magnet 1 and magnetic sensor 103, the magnetic field intensity maximum that magnetic sensor 103 senses.On the contrary, when lid member 104 when being in maximum open position, the distance between magnet 1 and magnetic sensor 103 farthest, the magnetic field intensity that magnetic sensor 103 senses is the most weak.In this embodiment, magnetic sensor 103 can be in the magnetic field intensity that senses during higher than predetermined threshold, and member 104 output in the closed position is covered in the output expression.In addition, can also be in magnetic field intensity lower than identical predetermined threshold, or another is during low predetermined threshold, and the output that member 104 is shown in an open position cover in the output expression, with the foundation as luminous controling unit 102 control luminescence unit 101 open and close.
One of purpose of selecting another low predetermined threshold is: can make when cover member 104 and raising to a certain extent, magnetic sensor 103 just produces and represents to cover the output that member 104 is opened, thereby luminous controling unit 102 is opened luminescence unit 101 according to this output.
In a further embodiment, when lid member 104 is constructed to slide cover type, magnet 1 can be arranged on slip lid foremost, and magnetic sensor 103 be arranged on the transmitter sidewall of slip lid end one side.When lid member 104 when being in off-position, slip lid is foremost away from the transmitter sidewall of end one side, the magnetic field that magnetic sensor 103 detects a little less than.When lid member 104 was in the open position, slip lid was recovered to end one side foremost, thereby near magnetic sensor 103.In this case, the detected magnetic field of magnetic sensor 103 is stronger.Thereby in this embodiment, magnetic sensor 103 can be in the magnetic field intensity that senses during lower than predetermined threshold, and member 104 output in the closed position is covered in the output expression.In addition, can also be in magnetic field intensity higher than identical predetermined threshold, or during higher than another higher predetermined threshold, the output that member 104 is shown in an open position cover in the output expression, with the foundation as luminous controling unit 102 control luminescence unit 101 open and close.
Equally, one of purpose of selecting another higher predetermined threshold is: can make when covering member 104 and sliping off to a certain extent, magnetic sensor 103 just produces expression and covers the output that member 104 is opened, thereby luminous controling unit 102 is opened luminescence unit 101 according to this output.
The realization of luminous controling unit 102 is described below in conjunction with Fig. 7, and magnetic sensor 103 is connected with the circuit of luminous controling unit 102.Fig. 7 illustrates according to the magnetic sensor 103 of the utility model embodiment and the circuit diagram that is connected of luminous controling unit 102.
Normally used magnetic sensor chips generally has three pins.As shown in Figure 7, be respectively be used to the GND pin of the Vdd pin that chip power is provided, ground connection and the Vout pin that carries out data transmission.
Be provided with the microprocessor of processing for to the data that sense in transmitter, all various numerical processor chips in this way.In certain embodiments, can realize with this microprocessor the function of luminous controling unit.As shown in Figure 7, respectively magnetic sensor chips being connected Vdd pin and GND pin with microprocessor connects respectively VDD-to-VSS.The data output pin Vout of magnetic sensor chips is connected to the data input and output pin GPIO of microprocessor.And, microprocessor is programmed, make its input signal in response to this GPIO pin place carry out open and close to luminescence unit and control.Certainly, can also realize with independent structure the function of luminous controling unit, those skilled in the art can utilize various conventional means to realize when seeing the content that this instructions is described, and do not need to pay performing creative labour again.
Use the transmitter of above describing and the method for controlling the luminescence unit on transmitter, not only due to the maloperation to the guidance panel on transmitter that effectively to avoid the site environment due to complexity to cause that arranges of lid member, and can close luminescence unit on transmitter according to the needs of checking in good time, such as the back light unit of the display panel/guidance panel of transmitter.Thereby, reduced unnecessary power consumption.
Need explanation at this, the above describes in detail some embodiment of the present utility model by reference to the accompanying drawings, still, it will be appreciated by those skilled in the art that these embodiment and non exhaustive nor be to be intended to the scope that the disclosure contains is limited.Those of ordinary skill in the art understands, and can carry out various modifications and change under the prerequisite that does not depart from the scope of the present utility model that limits as claims.
Claims (9)
1. a transmitter, comprise luminescence unit, it is characterized in that, described transmitter also comprises:
Can and expose the lid member with magnet that switches between the open position of described luminescence unit to the open air in the off-position that hides described luminescence unit;
Magnetic sensor is used for producing according to the magnetic field of described magnet the output that the described lid member of expression is in described off-position or described open position;
Luminous controling unit, be coupled to described magnetic sensor, be used for controlling according to the described output of described magnetic sensor the opening and closing of described luminescence unit, make and close described luminescence unit when described output represents that described lid member is in described off-position, open described luminescence unit when described output represents that described lid member is in described open position.
2. transmitter according to claim 1, is characterized in that, described lid member is configured to cover-lifting type.
3. transmitter according to claim 1, is characterized in that, described lid member is configured to sliding cover type.
4. transmitter according to claim 1, is characterized in that, described lid member comprises at least two parts, and the state that wherein said part is spaced apart from each other is corresponding to described open position, and the state that described part is joined each other is corresponding to described off-position.
5. any described transmitter according to claim 1 to 4, it is characterized in that, otherwise described magnet and described magnetic sensor are arranged such that at described lid member from open position at utmost to described off-position or during from described off-position to open position operation at utmost, the intensity monotone variation in the magnetic field that described magnet produces at described magnetic sensor place.
6. any described transmitter according to claim 1 to 4, it is characterized in that, described transmitter also comprises for the display panel of display parameter and/or sense data and/or is used for the guidance panel of parameters, wherein, described luminescence unit is configured to provide backlight to described display panel or described guidance panel.
7. any described transmitter according to claim 1 to 4, is characterized in that, described luminescence unit is lbd display unit or liquid crystal display.
8. transmitter according to claim 1, is characterized in that, described magnet and described magnetic sensor are arranged such that described lid member is in the situation of described off-position, and the magnetic field intensity that described magnetic sensor detects is higher than predetermined threshold.
9. transmitter according to claim 1, is characterized in that, described magnet and described magnetic sensor are arranged such that described lid member is in the situation of described off-position, and the magnetic field intensity that described magnetic sensor detects is lower than predetermined threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220412984.0U CN202947750U (en) | 2012-08-20 | 2012-08-20 | Transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220412984.0U CN202947750U (en) | 2012-08-20 | 2012-08-20 | Transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN202947750U true CN202947750U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220412984.0U Expired - Lifetime CN202947750U (en) | 2012-08-20 | 2012-08-20 | Transmitter |
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| Country | Link |
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| CN (1) | CN202947750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630149A (en) * | 2012-08-20 | 2014-03-12 | 艾默生过程控制流量技术有限公司 | Method of transmitter for controlling light-emitting unit of transmitter |
| CN104240619A (en) * | 2013-06-18 | 2014-12-24 | 艾默生过程控制流量技术有限公司 | Display screen, transmitter with display screen and display control method of display screen |
| CN113246618A (en) * | 2020-02-10 | 2021-08-13 | 大数据奥尼尔公司 | Safety mechanism for printing device |
-
2012
- 2012-08-20 CN CN201220412984.0U patent/CN202947750U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630149A (en) * | 2012-08-20 | 2014-03-12 | 艾默生过程控制流量技术有限公司 | Method of transmitter for controlling light-emitting unit of transmitter |
| CN104240619A (en) * | 2013-06-18 | 2014-12-24 | 艾默生过程控制流量技术有限公司 | Display screen, transmitter with display screen and display control method of display screen |
| CN113246618A (en) * | 2020-02-10 | 2021-08-13 | 大数据奥尼尔公司 | Safety mechanism for printing device |
| US11809125B2 (en) | 2020-02-10 | 2023-11-07 | Hand Held Products, Inc. | Safety mechanism for printing apparatus |
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Granted publication date: 20130522 |
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