CN106656146A - Optical axis keyboard key, trigger travel setting method thereof, and optical axis keyboard - Google Patents
Optical axis keyboard key, trigger travel setting method thereof, and optical axis keyboard Download PDFInfo
- Publication number
- CN106656146A CN106656146A CN201710070986.3A CN201710070986A CN106656146A CN 106656146 A CN106656146 A CN 106656146A CN 201710070986 A CN201710070986 A CN 201710070986A CN 106656146 A CN106656146 A CN 106656146A
- Authority
- CN
- China
- Prior art keywords
- fiducial value
- optical axis
- setup unit
- axis keyboard
- optical signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
- H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard
-
- 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
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
- G06F3/0238—Programmable keyboards
Abstract
The invention discloses an optical axis keyboard key, a trigger travel setting method thereof, and an optical axis keyboard. The optical axis keyboard key comprises a key main body, a transmitting terminal, a receiving terminal and a shielding piece, the optical axis keyboard key further comprises an analog-digital converter, a comparison value setting unit and a judging unit, wherein the transmitting terminal is used for sending an optical signal; the shielding piece is used for controlling the light pass amount of the optical signal according to a movement travel formed by the press of the key main body; the receiving terminal is used for receiving the optical signal and converting the optical signal into an electric signal according to the light pass amount; the analog-digital converter is used for converting the electric signal into a corresponding digital coding value; the comparison value setting unit is used for setting a key trigger comparison value; and the judging unit is used for determining whether to trigger a key operation according to the digital coding value and the key trigger comparison value. By adoption of the optical axis keyboard key, the trigger travel setting method thereof, and the optical axis keyboard provided by the invention, the self definition of the key trigger travel can be realized, and different demands or personalized demands of users in various application scenes can be satisfied.
Description
Technical field
The present embodiments relate to keyboard signal export technique field, more particularly to a kind of optical axis keyboard and its triggering
Stroke method to set up and optical axis keyboard.
Background technology
Optical axis keyboard is novel keyboard in recent years, and it is on traditional mechanical key axle technical foundation, to add brand-new light
Sensing technology of identification is learned, is optical sensor component by replacing traditional contact plectrum, improve conventional contact mechanical switch
Some problems.
At present, optical axis keyboard button triggering be by using the light sensation inductive switch between light-emitting component and photo detector,
Trigger theory is that light-path is opened, and the light that light-emitting component is sent is by light when button is depressed to triggering travel position
Element is received, and the optical signal for receiving is switched to electric signal by photo detector, keyboard by this electric signal be converted into switching signal so as to
Button triggering is formed, when button is pressed and not up to triggers travel position button will not be triggered.But due to the triggering of such button
Stroke is that fixation will not change, it is impossible to fully meet difference demand or individual needs of the user under various use scenes.
The content of the invention
The present invention provides a kind of optical axis keyboard and its triggering stroke method to set up and optical axis keyboard, to realize that button is touched
The self-defined setting of distribution journey.
It is that, up to this purpose, the present invention is employed the following technical solutions：
The embodiment of the present invention provides a kind of optical axis keyboard, including key main body, transmitting terminal, receiving terminal and shielding plate,
Also include analog-digital converter, fiducial value setup unit and judging unit, wherein：
The transmitting terminal, for sending optical signal；
The shielding plate, is arranged between the transmitting terminal and receiving terminal, and is connected with the key main body, for basis
The light throughput for pushing the movement travel the to be formed control optical signal of key main body；
The receiving terminal, for receiving the optical signal, and changes into electric signal according to the smooth throughput by optical signal；
The analog-digital converter is connected with the receiving terminal, for the electric signal to be converted into corresponding digital coding
Value；
The fiducial value setup unit, for setting button triggering fiducial value；
The judging unit is connected with analog-digital converter and fiducial value setup unit, for according to the digital code value and
The button triggering fiducial value determines whether to trigger button operation.
Further, in above-mentioned optical axis keyboard, the transmitting terminal is infrarede emitting diode.
Further, in above-mentioned optical axis keyboard, the receiving terminal is phototransistor or integrated optoelectronic circuit.
Further, in above-mentioned optical axis keyboard, the fiducial value setup unit is integrated in microprocessor, specifically for
The target data of analysis user input simultaneously matches corresponding button triggering fiducial value, and the microprocessor also includes memory：
The memory, for storing the button triggering fiducial value.
Correspondingly, embodiment of the present invention method provides a kind of optical axis keyboard with optical axis keyboard, including keyboard circuit
Plate and keyboard case, also including a kind of optical axis keyboard described in above-mentioned first aspect.
Correspondingly, the embodiment of the present invention also provides a kind of triggering stroke method to set up of optical axis keyboard, using this
The optical axis keyboard that bright any embodiment is provided is performed, and methods described includes：
The receiving terminal receives optical signal, and optical signal is changed into electric signal according to the light throughput of optical signal, wherein,
The optical signal is sent by transmitting terminal, and the shielding plate according to key main body push to be formed movement travel control described in
The light throughput of optical signal；
The electric signal is converted to corresponding digital code value by the analog-digital converter；
The judging unit compares according to the button triggering that the digital code value and the fiducial value setup unit set
Value, it is determined whether triggering button operation.
Further, methods described, also includes：
The target data of the fiducial value setup unit analysis user input simultaneously matches corresponding button triggering fiducial value, deposits
Store up into memory.
Further, in said method, the target data of fiducial value setup unit analysis user input and match it is right
The button triggering fiducial value answered includes：
The fiducial value setup unit obtains the target data of the user input；
The fiducial value setup unit analyzes the target data；
The fiducial value setup unit matches corresponding button and triggers fiducial value according to the analysis result of the target data.
Further, in said method, the fiducial value setup unit obtains the target data of the user input to be included：
The fiducial value setup unit receive user self-defined shortcut or using key macro definition by way of it is defeated
The target data for entering.
Further, in said method, the fiducial value setup unit obtains the target data of the user input to be included：
The fiducial value setup unit receive user is by the self-defining mode on the drive software interface of optical axis keyboard
The target data of input.
A kind of optical axis keyboard and its triggering stroke method to set up and optical axis keyboard that the present invention is provided, by using
The optical signal that receives of receiving terminal gradually strengthens during key main body drives shielding plate to push, the light letter that receiving terminal is received
Number conversion electric signal be also gradually strengthen the characteristics of and according to push in key main body diverse location setting difference by
Key triggers fiducial value, it is possible to achieve button triggering stroke it is self-defined, fully meet user under various use scenes
Difference demand or individual needs.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of optical axis keyboard that the embodiment of the present invention one is provided；
Fig. 2 is that a kind of flow process of the triggering stroke method to set up of optical axis keyboard that the embodiment of the present invention three is provided is illustrated
Figure.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in further detail.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Embodiment one
Fig. 1 is a kind of structural representation of optical axis keyboard that the embodiment of the present invention one is provided.As shown in figure 1, this
A kind of optical axis keyboard that bright embodiment is provided, by using driving shielding plate to push in key main body during receiving terminal
The optical signal for receiving gradually strengthens, the electric signal of optical signal that receiving terminal is received conversion be also the characteristics of gradually strengthening and
According to the different key triggering fiducial value of the diverse location setting pushed in key main body, it is possible to achieve button triggers oneself of stroke
Definition.
The optical axis keyboard, including：Key main body 21, transmitting terminal 22, receiving terminal 23 and shielding plate 24, also including mould
Number converter 25, fiducial value setup unit 26 and judging unit 27, wherein：
The transmitting terminal 22, for sending optical signal；
The shielding plate 24, is arranged between the transmitting terminal 22 and receiving terminal 23, and is connected with the key main body 21,
For according to the light throughput that the movement travel to be formed controls the optical signal that pushes of key main body 21；
The receiving terminal 23, for receiving the optical signal, and changes into telecommunications according to the smooth throughput by optical signal
Number；
The analog-digital converter 25 is connected with the receiving terminal 23, compiles for the electric signal to be converted into corresponding numeral
Code value；
The fiducial value setup unit 26, for setting button triggering fiducial value；
The judging unit 27 is connected with analog-digital converter 25 and fiducial value setup unit 26, for being compiled according to the numeral
Code value and button triggering fiducial value determine whether to trigger button operation.
Preferably, the transmitting terminal 22 can be infrarede emitting diode.
It should be noted that the infrarede emitting diode can be the state that constant conduction sends optical signal after upper electricity,
Can also be and coordinate after electricity that button pressed triggering infrarede emitting diode is turned on so as to send optical signal.
Preferably, the receiving terminal 23 can be phototransistor or integrated optoelectronic circuit, by the phototransistor
Or the optical signal for receiving is changed into electric signal and realizes that button operation response is infrared based on employing by integrated optoelectronic circuit
Line optics sensing identification and optical coupling technology, it is ensured that, without abrasion, high-frequency click also will not be because for contact point during conducting
Metal oxidation problem of aging causes double-click, double hit, the situation without response to occur.
Preferably, the fiducial value setup unit is integrated in microprocessor, the number of targets specifically for analyzing user input
According to and match corresponding button triggering fiducial value.The microprocessor also includes memory：The memory, it is described for storing
Button triggers fiducial value.
Additionally, fiducial value setup unit can also change its internal button triggering for arranging using other structures comparing
Value, for example, provide corresponding magnitude of voltage and come corresponding to different button triggering fiducial values with circuit form.
Preferably, the analog-digital converter can with it is integrated in the microprocessor.
It should be noted that the button triggering of optical axis keyboard is by transmitting terminal (light-emitting component) and receiving terminal (light unit
Part) between photoinduction realize, trigger theory is specially the varying strength that receiving terminal sends according to the transmitting terminal for receiving
The resistance of the different resistances formed after optical signal controlling electric signal, so as to the corresponding digital coding changed into according to electric signal
Value determines the triggering of button.When key main body is not pushed, due to the presence of shielding plate, can be by infrarede emitting diode (transmitting
End) block with the light-path of phototransistor or integrated optoelectronic circuit (receiving terminal), so phototransistor or light are electrically integrated electricity
Road (receiving terminal) can cause resistance infinitely great without illumination, equivalent open circuit；Only when key main body push drive shielding plate to
During lower motion, light-path just can be opened, and the light receiving end (photo detector) that transmitting terminal (light-emitting component) is sent is received.
With pushing for key main body, the optical signal for receiving is gradually enhanced by receiving terminal (photo detector), the electricity being thus converted into
Signal is also gradually enhanced, then by analog-digital converter by this gradually enhanced electric signal be converted into corresponding encoded radio, from
And realize the triggering of button.
A kind of optical axis keyboard provided in an embodiment of the present invention, drives what shielding plate was pushed by using in key main body
During the optical signal that receives of receiving terminal gradually strengthen, the electric signal of the optical signal conversion that receiving terminal is received is also gradually to increase
Strong the characteristics of and the different key triggering fiducial value according to the diverse location setting pushed in key main body, it is possible to achieve button
The self-defined of stroke is triggered, difference demand or individual needs of the user under various use scenes is fully met.
Embodiment two
The embodiment of the present invention two provides a kind of optical axis keyboard, and the optical axis keyboard includes the institute that any embodiment of the present invention is provided
There is optical axis keyboard, it is preferred that the optical axis keyboard also includes keyboard pcb and keyboard case.
Exemplary, the optical axis keyboard can be detachable, can be changed by User Defined purchase.
Exemplary, the keyboard case can be divided into detachable two parts up and down and combine, the keyboard pcb
Can arbitrarily select to be fixed therein on a part of shell.
A kind of optical axis keyboard provided in an embodiment of the present invention, by using the process pushed in key main body drive shielding plate
The optical signal that middle receiving terminal is received gradually strengthens, and the electric signal of the optical signal conversion that receiving terminal is received is also gradually enhanced
Feature and the different key triggering fiducial value according to the diverse location setting pushed in key main body, it is possible to achieve button is triggered
Stroke it is self-defined, fully meet difference demand or individual needs of the user under various use scenes.
Embodiment three
Fig. 2 is referred to, is a kind of triggering stroke method to set up of optical axis keyboard that the embodiment of the present invention three is provided
Schematic flow sheet.The method is performed by the optical axis keyboard that the embodiment of the present invention is provided, and step is as follows：
S110, the receiving terminal receive optical signal, and optical signal is changed into electric signal according to the light throughput of optical signal.
Wherein, the optical signal is sent by transmitting terminal, and the shielding plate pushes the movement travel control to be formed according to key main body
Make the light throughput of the optical signal.
It should be noted that the optical signal that the transmitting terminal sends, exemplary, can launch after electricity on optical axis keyboard
The optical signal that end constant conduction sends, can also be and coordinate after electricity on optical axis keyboard that key main body pushes drive shielding plate motion and touches
Send out the optical signal that transmitting terminal conducting sends.Shielding plate described in this step pushes the movement travel control to be formed according to key main body
Make the optical signal light throughput refer to transmitting terminal with shielding plate motion received by optical signal gradually strengthen.
Explanation is needed further exist for, because the optical signal that the receiving terminal is received is gradually enhanced, therefore is converted
Into electric signal be also it is gradually enhanced, can be by the sensitive change of light-sensitive element resistance under the irradiation of varying strength optical signal
Change to realize real-time electric signal conversion, so as to embody the Strength Changes of optical signal.
The electric signal is converted to corresponding digital code value by S120, the analog-digital converter.
It should be noted that because electric signal is also gradually enhanced, when analog-digital converter converts electrical signals to correspondence
Digital code value when, the electric signal of varying strength can be converted into the different digital code values of correspondence.
The button triggering that S130, the judging unit set according to the digital code value and the fiducial value setup unit
Fiducial value, it is determined whether triggering button operation.
It should be noted that the button triggering fiducial value of the fiducial value setup unit setting is user-defined default
Value, is a condition threshold, and when the digital code value reaches the condition threshold button can be then triggered.
Specifically, by analog-digital converter change digital code value with compare default User Defined in setup unit
Button triggering fiducial value compares, if the digital code value does not trigger button less than default triggering stroke fiducial value；Phase
Instead, if the digital code value is more than or equal to default triggering stroke fiducial value, it is determined that triggering button.
The triggering stroke method to set up of a kind of optical axis keyboard provided in an embodiment of the present invention, by using in button master
The optical signal that receives of receiving terminal gradually strengthens during body drives shielding plate to push, the optical signal conversion that receiving terminal is received
Electric signal be also gradually strengthen the characteristics of and according to push in key main body diverse location setting different key triggering
Fiducial value, it is possible to achieve self-defined, the changeless situation of triggering stroke of change button of button triggering stroke, fully meets
Difference demand or individual needs of the user under various use scenes.
Preferably, the triggering stroke method to set up of the optical axis keyboard also includes：
The target data of the fiducial value setup unit analysis user input simultaneously matches corresponding button triggering fiducial value, deposits
Store up into memory.
Specifically, the fiducial value setup unit obtains the target data of the user input；The fiducial value setting is single
Target data described in meta analysis；The fiducial value setup unit matches corresponding button according to the analysis result of the target data
Triggering fiducial value.
It should be noted that on the one hand, arrange for the triggering stroke of the overall button of optical axis keyboard, the fiducial value sets
The target data of the order unit acquisition user input can be the fiducial value setup unit receive user by self-defined fast
Prompt key or the target data being input into by the way of key macro definition；On the other hand, for the single of optical axis keyboard or
The triggering stroke of certain class combination button is arranged, and the fiducial value setup unit obtains the target data of the user input can be with
It is that the fiducial value setup unit receive user is input into by the self-defining mode on the drive software interface of optical axis keyboard
The target data, and can also realize that the triggering stroke of the overall button of optical axis keyboard is arranged.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
More other Equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of optical axis keyboard, it is characterised in that including key main body, transmitting terminal, receiving terminal and shielding plate, its feature exists
In, also including analog-digital converter, fiducial value setup unit and judging unit, wherein：
The transmitting terminal, for sending optical signal；
The shielding plate, is arranged between the transmitting terminal and receiving terminal, and is connected with the key main body, for according to button
The light throughput for pushing the movement travel the to be formed control optical signal of main body；
The receiving terminal, for receiving the optical signal, and changes into electric signal according to the smooth throughput by optical signal；
The analog-digital converter is connected with the receiving terminal, for the electric signal to be converted into corresponding digital code value；
The fiducial value setup unit, for setting button triggering fiducial value；
The judging unit is connected with analog-digital converter and fiducial value setup unit, for according to the digital code value and described
Button triggering fiducial value determines whether to trigger button operation.
2. optical axis keyboard according to claim 1, it is characterised in that the transmitting terminal is infrarede emitting diode.
3. optical axis keyboard according to claim 1, it is characterised in that the receiving terminal is phototransistor or photoelectricity
Integrated circuit.
4. optical axis keyboard according to claim 1, it is characterised in that the fiducial value setup unit is integrated in micro- place
Reason device, specifically for analyzing the target data of user input and matching corresponding button triggering fiducial value, the microprocessor is also
Including memory：
The memory, for storing the button triggering fiducial value.
5. a kind of optical axis keyboard, including keyboard pcb and keyboard case, it is characterised in that also appoint including claim 1-4
A kind of optical axis keyboard described in one.
6. the triggering stroke method to set up of a kind of optical axis keyboard, using the optical axis keyboard described in any one of claim 1-4
Button is performed, it is characterised in that methods described includes：
The receiving terminal receives optical signal, and optical signal is changed into electric signal according to the light throughput of optical signal, wherein, it is described
Optical signal is sent by transmitting terminal, and the shielding plate controls the light letter according to the movement travel to be formed that pushes of key main body
Number light throughput；
The electric signal is converted to corresponding digital code value by the analog-digital converter；
The button triggering fiducial value that the judging unit sets according to the digital code value and the fiducial value setup unit, really
It is fixed whether to trigger button operation.
7. method according to claim 6, it is characterised in that also include：
The target data of fiducial value setup unit analysis user input simultaneously matches corresponding button triggering fiducial value, store to
In memory.
8. method according to claim 7, it is characterised in that the fiducial value setup unit analyzes the target of user input
Data simultaneously match corresponding button triggering fiducial value and include：
The fiducial value setup unit obtains the target data of the user input；
The fiducial value setup unit analyzes the target data；
The fiducial value setup unit matches corresponding button and triggers fiducial value according to the analysis result of the target data.
9. method according to claim 8, it is characterised in that the fiducial value setup unit obtains the user input
Target data includes：
The fiducial value setup unit receive user self-defined shortcut or using key macro definition by way of be input into
The target data.
10. method according to claim 8, it is characterised in that the fiducial value setup unit obtains the user input
Target data include：
The fiducial value setup unit receive user is input into by the self-defining mode on the drive software interface of optical axis keyboard
The target data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070986.3A CN106656146B (en) | 2017-02-09 | 2017-02-09 | Optical axis keyboard key, trigger stroke setting method thereof and optical axis keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070986.3A CN106656146B (en) | 2017-02-09 | 2017-02-09 | Optical axis keyboard key, trigger stroke setting method thereof and optical axis keyboard |
Publications (2)
| Publication Number | Publication Date |
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| CN106656146A true CN106656146A (en) | 2017-05-10 |
| CN106656146B CN106656146B (en) | 2020-07-28 |
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ID=58844608
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710070986.3A Active CN106656146B (en) | 2017-02-09 | 2017-02-09 | Optical axis keyboard key, trigger stroke setting method thereof and optical axis keyboard |
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| CN111625106A (en) * | 2019-02-27 | 2020-09-04 | 惠州佳达隆电子科技有限公司 | Method and device capable of customizing keyboard switch triggering position |
| US11552638B2 (en) | 2020-06-10 | 2023-01-10 | Asustek Computer Inc. | Optical switch module and control method thereof |
| WO2024082543A1 (en) * | 2022-10-19 | 2024-04-25 | 珠海市智迪科技股份有限公司 | Key triggering method |
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| CN106656146B (en) | 2020-07-28 |
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