CN107305442A - Input equipment and its control method - Google Patents
Input equipment and its control method Download PDFInfo
- Publication number
- CN107305442A CN107305442A CN201610237005.5A CN201610237005A CN107305442A CN 107305442 A CN107305442 A CN 107305442A CN 201610237005 A CN201610237005 A CN 201610237005A CN 107305442 A CN107305442 A CN 107305442A
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- China
- Prior art keywords
- level
- button
- push button
- pin
- process circuit
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Classifications
-
- 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
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
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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
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
Abstract
The present invention relates to a kind of input equipment and its control method, the input equipment includes a button and a process circuit.Process circuit has an input pin and an output connecting pin.Input pin coupling button.Output connecting pin provides a push button signalling and gives a host apparatus.Process circuit according to input pin level control button signal level.When the level of input pin, by one first level to be changed to a second punctual, after a predetermined time, process circuit sets push button signalling as one the 3rd level, and interior during one first shields, ignore the level change of input pin, and maintain push button signalling in the 3rd level.
Description
Technical field
The present invention relates to a kind of input unit and its control method.
Background technology
In general, computer system is made up of three kind equipments, i.e. input equipment, output equipment and host device.Input
Equipment is with for user's control host device.Common input equipment includes mouse, keyboard, trace ball, joystick, touch pad etc.
Deng.Most input equipment has an at least button.After user pushes button, it is corresponding dynamic that host device will carry out one
Make, such as open some application program.In electric competing game, user requires more and more higher for the button reaction speed of mouse.Such as
Fruit can not judge whether button is pressed in time, will cause to use upper inconvenience.
The content of the invention
In order to overcome the defect that above-mentioned present technology is present, the present invention provides a kind of input unit and its control method.
The present invention provides a kind of input equipment, including an at least button and process circuit.Process circuit have input pin with
And output connecting pin.Input pin coupling button.Output connecting pin provides push button signalling to host apparatus.Process circuit connects according to input
The level of the level control button signal of pin.When the level of input pin, by the first level to be changed to second punctual, pre- one
After fixing time, process circuit is set into push button signalling as the 3rd level, and it is interior during first shields, ignore the position of input pin
Quasi- change, and push button signalling is maintained in the 3rd level.
The present invention separately provides a kind of control method applied to input equipment as described above, including judges that the level of a button becomes
Change；When the level of button, by the first level to be changed to second punctual, after a predetermined time, sets push button signalling as one the 3rd
Level, and it is interior during first shields, ignore the level change of button, and maintain push button signalling in the 3rd level；Button is provided
Signal is to host apparatus.Function of the host apparatus according to corresponding to push button signalling performs button.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
For the features and advantages of the present invention can be become apparent, it is cited below particularly go out preferred embodiment, and coordinate accompanying drawing, make detailed
It is described as follows：
Fig. 1 is the schematic diagram of the operating system of one embodiment of the invention；
Fig. 2A is the level change schematic diagram of ideally button；
Fig. 2 B are the level change schematic diagram of button under virtual condition；
Fig. 3 A~3D is the level schematic diagram of push button signalling and pin；
Fig. 4 is the schematic diagram of the control method of one embodiment of the invention.
Reference in each figure is as follows：
100：Operating system；110：Input unit；
120：Host apparatus；111：Process circuit；
KY1~KYn：Button；P1~Pn, PO：Pin；
SBT, SBT1~SBT4：Push button signalling；IM：Impedance；
LV、SP1：Level；T1、T2：Time point；
H：High levels；L：Low level；
311~314：During shielding； 315：Preset time；
S411~S417：Step.
Embodiment
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings：
Fig. 1 is the schematic diagram of the operating system of one embodiment of the invention.As illustrated, operating system 100 includes input equipment 110
And host apparatus 120.Input equipment 110 is probably mouse, keyboard, trace ball, joystick or touch pad, but and is not used to
The limitation present invention.Other computer peripheral equipments (such as printer or scanner) with button can act also as input equipment 110.
The information that host apparatus 120 is provided according to input equipment 110, performs corresponding service routine.
In the present embodiment, input equipment 110 includes button KY1~KYnAnd process circuit 111, n is positive integer.Work as button
KY1~KYnIn one when being pressed, process circuit 111 exports corresponding push button signalling SBTTo host apparatus 120.Main frame
Device 120 performs the function or service program that button is pressed relative to this again.The present invention does not limit the quantity of button.One
In possible embodiment, input equipment 110 only has single key.The present invention does not also limit button KY1~KYnSpecies.Other
In embodiment, button KY1~KYnFor mechanical switch, such as microswitch.
Process circuit 111 has pin P1~PnAnd PO.Pin P1~PnIt is respectively coupled to button KY1~KYn.Process circuit 111
According to button KY1~KYnPressed state, produce push button signalling SBT, then pass through pin PO output key signals SBTMain frame is given to fill
Put 120.Host apparatus 120 is according to push button signalling SBTPerform the function or service program corresponding to the button being pressed.The present invention
Do not limit how process circuit 111 judges button KY1~KYnPressed state.In a possible embodiment, process circuit
111 be according to button KY1~KYnLevel change, judge whether a button is pressed.For example, as button KY1~KYn
In one when being pressed, the level for the button being pressed will be changed, and the level of other buttons not being pressed is fixed
It is constant.Therefore, by detecting button KY1~KYnLevel, just can know whether that a button is pressed.
Fig. 2A is the ideally impedance of button and level change schematic diagram.Impedances and position of Fig. 2 B for button under virtual condition
Quasi- change schematic diagram.Due to button KY1~KYnCharacteristic it is identical, it is therefore following with button KY1Exemplified by.As shown in Figure 2 A, in ideal
Under state, to button KY1Carry out in once pressing and release process, as button KY1(i.e. time point T1), button when being pressed
KY1Impedance IM Low ESR will be changed to by high impedance, and maintain Low ESR；As button KY1When being released (time point T2),
Button KY1Impedance IM high impedance is changed to by Low ESR.
As button KY1During for high impedance, button KY1Level LV be a low level L.As button KY1During for Low ESR, button KY1
Level LV systems be a high levels H.Therefore, by measurement button KY1Level LV, just can determine whether out button KY1Pressing shape
State.For example, as button KY1Level LV in low level L, represent button KY1It is not pressed.On the contrary, as button KY1
Level LV in high levels H, represent button KY1It is pressed.
However, in fact, as button KY1When being pressed or decontroling, the switching state of impedance and level is not instantaneous completion, but
With the process of vibration, i.e. button KY1Impedance IM can occur a jitter phenomenon (bounce), as shown in Figure 2 B.In button KY1
In the of short duration time being pressed, button KY1Impedance IM occur a jitter phenomenon, as shown in symbol 210.Similarly, by
Key KY1When being released, button KY1Impedance IM can also occur a jitter phenomenon, as shown in symbol 220.
As button KY1Impedance IM occur jitter phenomenon 210 and 220 when, button KY1The level exported also can be with trembling
It is dynamic.As shown in Figure 2 B, a period of time after time point T1, button KY1The level exported is in high levels H and low level L
Between change, then can just stablize in high levels H.In a period of time after time point T2, button KY1The level exported
Change between high levels H and low level L, then can just stablize in low level L.
Button KY1Level jitter phenomenon process circuit 111 can be allowed to take for button KY1It is pressed for several times, thus output error
Push button signalling to host apparatus 120, host apparatus 120 is performed the function or service program of mistake.Because of depositing for oscillation phenomenon
The commonly provided stabilization of button control mode (debounce) function of conventional input device, the i.e. pin of process circuit are (such as
P1) button KY is being read1Signal intensity when, do not send push button signalling S temporarilyBTTo host apparatus, but in a scheduled time
Confirmation signal is state (such as button KY after change afterwards1The level exported changes to high levels from low level and is maintained high
Level) after, retransmit push button signalling SBTTo host apparatus, prevent from sending out repeatedly continuous push button signalling with this.This is traditional
Depending on the stabilization scheduled time generally product specification of foundation input equipment in input equipment, typical time is all longer (for example
10ms), so the button reaction of conventional input device is slower.And the present invention proposes that two kinds of button control programs carry push button signalling
Preceding to send out, compared to existing conventional input device, the button reaction time shortens, and button reacts faster.
One embodiment of the invention provide input equipment button control program be：When process circuit pin (such as P1) read by
Key KY1Signal intensity (such as button KY1The level exported changes to high levels from low level) when, push button signalling is sent out immediately
SBTTo host apparatus, any signal in a scheduled time afterwards is not acted, and in a possible embodiment, this makes a reservation for
Time can be less than pressing and unclamping the limit at button interval, and more than the time by key chattering.
Another embodiment of the present invention provide input equipment button control program be：When the pin (such as P1) of process circuit is being read
Button KY1Signal intensity (such as button KY1The level exported changes to high levels from low level) when, in one first pre- timing
Interior to carry out stabilization processing, the scheduled time of stabilization processing is set smaller than the pre- timing of stabilization of conventional input device
Between (such as 10ms), be for example set to 2ms, process circuit confirms level that button exported still in vibrational state or change
State afterwards, now sends push button signalling SBTTo host apparatus, any letter in one second scheduled time (such as 8ms) afterwards
Number do not act, it is a kind of realize in this second scheduled time be stabilization time of the original specification setting of button to subtract first
The scheduled time.
Compared to the button control mode of conventional input device, no matter in any of the above-described kind of input equipment case processing scheme, because of drop
It is low by pressure button to the operating lag between sending signal, so as to improve button reaction speed, such as previous processing mode
Such as more than 10ms delay can be reduced, latter treatment mode can reduce more than 8ms delay.
Below by way of the foregoing two kinds of input equipments case processing scheme of the specific embodiment description present invention.
In one embodiment, when pin P1 level by one first level (such as low level L) is changed to one second level (as high-order
Quasi- H) when, the setting push button signalling of process circuit 111 SBTFor one the 3rd level (such as high levels H).Once it should be understood that push button signalling
SBTProcessed circuit 111 is set, and represents process circuit immediately by the push button signalling S of the settingBTHost apparatus is given in transmission.Then
During one shields, ignore pin P1 level change, and by push button signalling SBTLevel maintain the 3rd level.In shielding
After period, the ability of process circuit 111 sets push button signalling S according to pin P1 levelBTLevel.
For example, after during shielding, if pin P1 level maintains the second level, process circuit 111 believes button
Number SBTLevel be set in the 3rd level.On the contrary, after during shielding, if pin P1 level has returned to the first level
When, process circuit 111 is by push button signalling SBTLevel be set in one the 4th level (such as low level L).
The present invention does not limit the relation between first to fourth level.In the present embodiment, different second levels of the first level,
3rd level is different from the 4th level.For example, the first level is a low level, and the second level is a high levels.Another
In possible embodiment, the first level may be same or different from the 3rd level, and second will definitely can be same or different from the 4th
It is accurate.
Fig. 3 A are push button signalling SBTWith pin P1 level schematic diagram.In the present embodiment, as pin P1 level SP1
(such as it is not equal to low level L) when the first level, process circuit 111 is by push button signalling SBT1Level be set in the 3rd level (such as
High levels H).In a possible embodiment, when pin P1 level SP1 is not equal to low level (such as in time point T1), processing
Circuit 111 is immediately by push button signalling SBT1Level be set to high levels H.
Then, in 311 during shielding, no matter pin P1 level is the first or second level, process circuit 111 believes button
Number SBTMaintain the 3rd level (such as high levels H).After during shielding 311, process circuit 111 just can be according to pin P1 level
Set the level of push button signalling.In the present embodiment, after during shielding 311, because pin P1 level SP1 is still maintained at
Two levels (such as high levels H), therefore, the setting push button signalling of process circuit 111 SBT1Level maintain the 3rd level (as high-order
Quasi- H).In other embodiments, after during shielding 311, if pin P1 level SP1 has returned to the first level (such as dotted line
It is shown) when, process circuit 111 is immediately by push button signalling SBT1Level changed by the 3rd level (such as high levels H) to the 4th level
(such as low level L).
The first level (such as low level L) is returned to by the second level (such as high levels H) in time point T2, pin P1 level SP1.By
Changed in pin P1 level SP1, therefore, process circuit 111 sets push button signalling S immediatelyBT1By the 3rd level (such as height
Level H) change to the 4th level (such as low level L).Then during one shields in 312, process circuit 111 ignores pin P1's
Level SP1 changes, and by push button signalling SBT1Maintain the 4th level (such as low level L).After during shielding 312, process circuit
111 just can set push button signalling S according to pin P1 level SP1 once againBT1Level.
311 and 312 length during restriction shielding of the invention.During shielding 311 may be same or different from shielding during
312.In a possible embodiment, 311 are longer than 312 during shielding during shielding.In other possible embodiments, during shielding
311 and 312 are more than the impedance shaky time of button.In addition, after user presses and decontrols button, generally at the soonest will every 70~
, just can be again by next time after 80ms.Therefore, 311 and 312 70~80ms need to be less than during shielding.In certain embodiments, shield
Period 312 is to be omitted.
Fig. 3 B are push button signalling SBTWith another schematic diagram of pin P1 level.Fig. 3 B similar diagram 3A, difference is,
Time point T2, although pin P1 level SP1 changes and (is changed to low level by high levels), but process circuit 111 is waited
After one default time 315, just push button signalling SBT2 level is changed to the 4th level (such as by the 3rd level (such as high levels H)
Low level L).In this instance, in 312 during shielding, process circuit 111 ignores pin P1 level SP1 changes, and maintains to press
Key signals SBT2At the 4th level (such as low level L).After during shielding 312, process circuit 111 is according to pin P1 level SP1
Set push button signalling SBT2Level.One may in embodiment, 312 during shielding after, process circuit 111 may be according to pin
P1 level SP1 sets push button signalling S immediatelyBT2Level or just set push button signalling S after waiting for a period of timeBT2Level.
Fig. 3 C are push button signalling SBTWith another schematic diagram of pin P1 level.In the present embodiment, when pin P1 level is sent out
During changing, process circuit 111 waits for a period of time after 315, can just set push button signalling SBT3Level, and after setting
One shielding during 313, ignore pin P1 level change, 313 during shielding after, can just be set according to pin P1 level
Push button signalling SBT3Level.
For example, in time point T1, pin P1 level SP1 is changed to the second level (such as by the first level (such as low level L)
High levels H).Although pin P1 level SP1 changes, process circuit 111 is waited after a default time 315, just can be by
Push button signalling SBT3Level be set in the 3rd level (such as high levels H).Then, 313 during shielding, process circuit 111 is ignored
Pin P1 level SP1 changes, by push button signalling SBT3Level maintain the 3rd level (such as high levels H).
After during shielding 313, when pin P1 level SP1 by the second level (such as high levels H) returns to the first level (such as low level
Quasi- L) when, process circuit 111 can be still waited after a preset time 315, just can be by push button signalling SBT3Level by the 3rd level
(such as high levels H) changes to the 4th level (such as low level L), and then 314 during another shielding, process circuit 111, which is ignored, to be connect
Pin P1 level SP1 changes, and maintain push button signalling SBT3At the 4th level (such as low level L).After during shielding 314, processing
Circuit 111 sets push button signalling S according to pin P1 level SP1BT3Level.
314 may be same or different from 313 during shielding during shielding.In a possible embodiment, 314 is short during shielding
313 during shielding.In other embodiments, during shielding 314 may it is identical, shorter or longer than during shielding 312.Shielding
Period 313 may also it is identical, shorter or longer than shielding during 311.
Fig. 3 D are push button signalling SBTWith another schematic diagram of pin P1 level.Fig. 3 D similar diagram 3C, difference is,
After 313 during shielding, when pin P1 level SP1 returns to the first level (such as low level L) by the second level (such as high levels H)
(i.e. time point T2), process circuit 111 is immediately by push button signalling SBT3Level changed by the 3rd level (such as high levels H) to the
Four levels (such as low level L), then during one shields in 314, ignore pin P1 level SP1 changes, and maintain button to believe
Number SBT3Level at the 4th level (such as low level L), after during shielding 314, process circuit 111 is according to pin P1 level
SP1 setting push button signallings SBT3Level.
Fig. 4 may flow chart for the one of the control method of the input unit applied to above example of one embodiment of the invention.
The control method of the embodiment is to judge whether a button is pressed, and according to the pressed state of button, and one button of setting is believed
Number level so that a host apparatus performs corresponding service routine according to the push button signalling.
In step S411, judge whether that a button is pressed.In a possible embodiment, step S411 systems are sentenced according to button level
Whether disconnected button is pressed, but and is not used to limit the present invention.In other embodiments, step S411 may be according to button
Impedance variations judge whether button is pressed.For convenience of description, the following description system is by taking the level of button as an example.
When the level of button changes, one second level is such as changed to by one first level, represents that button is pressed, because
This, sets the level of push button signalling as one the 3rd level (step S412).In a possible embodiment, when the level first of button
Level is changed to second on time, and the level of push button signalling is set in into the 3rd level immediately.In another possible embodiment, when
The level of button is changed to the second level by the first level, the level of push button signalling is set in into the 3rd level immediately, and shield
Any signal in a period of time.In another possible embodiment, when the level of button by the first level is changed to the second level,
Wait after one first preset time (such as 2ms), the level of push button signalling is just set in the 3rd level.
In the present embodiment, the first level is different from the second level.For example, the first level is that a low level or one are high-order
Standard, the second level is a high levels or a low level.In addition, the present invention does not also limit the size of the 3rd level.May be real one
Apply in example, the 3rd level may be same as the first or second level.
Then, in during one shields, ignore the level change of button, and maintain push button signalling in the 3rd level (step
S413).The time that the level of button is shaken is must be longer than during shielding.In addition, needing to be shorter than user during shielding continuous
The interval time pressed twice.For example, if user about every 70~80ms just can pressing keys once again when, shield
Time need to be shorter than 70~80ms.
After during shielding, the level (step S414) of push button signalling is set according to the level of button.In the present embodiment, step
S414 includes step S415~S417.In step S415, judge whether the level of button changes.When the still level of button
Maintain second on time, maintain the level of push button signalling in the 3rd level (step S416), and return step S415, continue
Judge whether the level of push button signalling changes.
When the level of push button signalling is changed to the first level from the second level, represent that button is released.Therefore, button letter is changed
Number level, by the 3rd level to the 4th level (step S417).In a possible embodiment, the level system of push button signalling is immediately
Change from the 3rd level to the 4th level.In other embodiments, wait after one second preset time, just by the level of push button signalling
Change from the 3rd level to the 4th level.
The present invention does not limit the size of the 3rd and the 4th level.In one embodiment, the 4th level is different from the 3rd level.Lift
For example, when the 3rd level is a high levels or a low level, the 4th level is a low level or a high levels.Implement other
In example, the 4th level is equally likely to the second or first level.
In a possible embodiment, (such as changed when the level of push button signalling needs and changed by the 3rd level to the 4th level
Or changed by the 4th level to the 3rd level), the level of push button signalling can be changed immediately, or wait after one section of default time
Just change the level of push button signalling.
By taking Fig. 3 A as an example, the level of push button signalling is changed to high levels by low level immediately, and is changed immediately by high levels to low
Level.In figure 3b, the level of push button signalling is changed to high levels by low level immediately, but is waited after a preset time just by height
Level changes to low level.In fig. 3 c, push button signalling is waited and just changed after one first default time by low level to high levels,
And wait ability after one second preset time to be changed by high levels to low level.First preset time is equally likely to, longer or shorter than
Second preset time.In fig. 3d, push button signalling is waited and just changed after a default time by low level to high levels, but immediately
Changed by high levels to low level.
In the present embodiment, by the level of push button signalling can't be influenceed by the shake level of button, therefore master can be avoided
Machine device takes for button and is pressed for several times.In addition, when the button is pressed, the level of push button signalling immediately with change, then
Host apparatus can be made to make a response immediately, perform corresponding service routine.
Unless otherwise defined, all vocabulary (including technology and scientific terms) belong to common in the technical field of the invention herein
The general understanding of technical staff.In addition, unless clear expression, definition of the vocabulary in general dictionary should be interpreted that skill associated therewith
Meaning is consistent in the article in art field, and should not be construed as perfect condition or too formal voice.
Certainly, the present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, be familiar with this
The technical staff in field works as can make various corresponding changes and deformation according to the present invention, but these corresponding changes and deformation are all
The protection domain of appended claims of the invention should be belonged to.
Claims (10)
1. a kind of input equipment, it is characterised in that including：
Button；
Process circuit, with input pin and output connecting pin, the input pin couples the button, and the output connecting pin is carried
Host apparatus is given for push button signalling, the process circuit controls the position of the push button signalling according to the level of the input pin
It is accurate；
Wherein, when the level of the input pin is changed to by the first level, second is punctual, and after a predetermined time, general is described
Process circuit sets the push button signalling as the 3rd level, and interior during first shields, and ignores the level of the input pin
Change, and the push button signalling is maintained in the 3rd level.
2. input equipment as claimed in claim 1, it is characterised in that the scheduled time is zero, in the input pin
When level is changed by first level, the process circuit sets the push button signalling as the 3rd level immediately.
3. input equipment as claimed in claim 2, it is characterised in that the time interval during first shielding is less than button
The limit with unclamping interval is pressed in operation, and more than the switch time of vibration of the button.
4. input equipment as claimed in claim 1, it is characterised in that the scheduled time is not zero, in the scheduled time
Interior, the process circuit stabilization of button is handled.
5. input equipment as claimed in claim 4, it is characterised in that the scheduled time is less than the original specification setting of button
The stabilization time.
6. input equipment as claimed in claim 1, it is characterised in that after during described first shields, when the input connects
When the level of pin is changed into first level, the process circuit sets the push button signalling as the 4th level.
7. input equipment as claimed in claim 2, it is characterised in that after during described first shields, when the input connects
When the level of pin returns to first level by second level, the process circuit sets the push button signalling by institute immediately
The 3rd level is stated to change to the 4th level, and it is interior during a secondary shielding, ignore the level change of the input pin,
And the push button signalling is maintained in the 4th level.
8. input equipment as claimed in claim 2, it is characterised in that after during described first shields, when the input connects
When the level of pin returns to first level by second level, the process circuit is waited after a default time, sets institute
Push button signalling is stated by the 3rd level to be changed to the 4th level, and it is interior during a secondary shielding, ignore the input
The level change of pin, and the push button signalling is maintained in the 4th level.
9. a kind of control method for being applied to the input equipment as described in claim any one of 1-8, it is characterised in that including：
Judge the level change of a button；
When the level of the button, by one first level to be changed to a second punctual, after a predetermined time, sets a button
Signal is one the 3rd level, and interior during one first shields, and ignores the level change of the button, and maintains the button to believe
Number in the 3rd level；
The push button signalling is provided and gives a host apparatus, it is right that the host apparatus performs the button institute according to the push button signalling
The function of answering.
10. control method as claimed in claim 9, it is characterised in that the scheduled time is zero, in the input pin
When level is changed by first level, the process circuit sets the push button signalling as the 3rd level immediately；
Or, the scheduled time was not zero and less than the stabilization time of the original specification setting of button, within the scheduled time, institute
Process circuit is stated handle the stabilization of button.
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|---|---|---|---|
| CN201610237005.5A CN107305442B (en) | 2016-04-15 | 2016-04-15 | Input device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610237005.5A CN107305442B (en) | 2016-04-15 | 2016-04-15 | Input device and control method thereof |
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| CN107305442A true CN107305442A (en) | 2017-10-31 |
| CN107305442B CN107305442B (en) | 2020-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903287A (en) * | 2021-12-09 | 2022-01-07 | 中国电子科技集团公司第十五研究所 | Display driving board |
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| CN113903287A (en) * | 2021-12-09 | 2022-01-07 | 中国电子科技集团公司第十五研究所 | Display driving board |
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