CN101866770A - Multi-keycode output key - Google Patents
Multi-keycode output key Download PDFInfo
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- CN101866770A CN101866770A CN200910134542A CN200910134542A CN101866770A CN 101866770 A CN101866770 A CN 101866770A CN 200910134542 A CN200910134542 A CN 200910134542A CN 200910134542 A CN200910134542 A CN 200910134542A CN 101866770 A CN101866770 A CN 101866770A
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Abstract
The invention relates to a multi-keycode output key and discloses a design scheme of a key. A computer can identify different keycodes according to different pressing depths and different pressing forces of the key-press, thereby reaching the purposes of reducing the amount of the key-press, shortening the volume of keyboard and conveniently operating. The type of the multi-keycode output key-press includes a patch type, a conductive rubber type and a capacitance type. A conductive shrapnel or a telescopic rubber can generate deformation at different degrees according to different forces and then is communicated with different leads or changes the capacitance, and thus, the computer can identify different keycodes.
Description
Technical field the invention belongs to the electronic hardware field, can be used on computer and the cell phone keyboard.
The existing button of technical background once can only be exported a key, causes number of keys many, and keyboard volume is not easy to operation greatly and carries, and just can not import quickly and easily and reduced number of keys
Summary of the invention the present invention addresses the above problem the design that has proposed a kind of multi-keycode output key, can the be pressed different degree of depth and of button by computer Recognition, thereby a plurality of keys can be integrated on the button, reduce number of keys, simplify operation.That design comprises is SMD, conductive rubber formula, condenser type.
SMD comprising: keycap, electroconductive elastic sheet, circuit board, single-chip microcomputer.Wherein said electroconductive elastic sheet is the shell fragment of " ripples circle " shape or a plurality of concave surfaces, and this special tectonic has had button be pressed different depth and the function of identified different key.If electroconductive elastic sheet is " a ripples circle ", then the printed circuit cable of Dui Ying circuit board is with annular array, and each crest corresponding of " ripples circle " encloses lead, in stressed ascending process, deformation taking place successively, and connect different toroidal conductors successively, thereby is discerned by single-chip microcomputer; If said electroconductive elastic sheet is the shell fragment of a plurality of concave surfaces, then Dui Ying circuit board the concave surface of electroconductive elastic sheet right direction, a plurality of electroconductive elastic sheets are folded to be dropped on together, the intensity difference of each shell fragment in these electroconductive elastic sheets, in stressed ascending process, deformation taking place successively, and connect different leads successively, thereby is discerned by single-chip microcomputer.
The conductive rubber formula comprises: keycap, telescopic rubber, conductive rubber, circuit board, single-chip microcomputer.Telescopic rubber is made into multilayer, the intensity difference that said telescopic rubber is every layer, and every layer all is provided with conductive rubber and conductive contact, in the stressed ascending process, deformation takes place in the different layers of telescopic rubber successively, and connects the set wire contact of different layers successively, thereby is discerned by single-chip microcomputer.
Condenser type comprises two kinds of modes that change electric capacity.First kind comprises keycap, telescopic rubber, capacitance cathode, electric capacity negative pole, circuit board, single-chip microcomputer, said telescopic rubber is a multilayer, every layer intensity difference, the positive pole and the negative pole that are provided with electric capacity at the superiors and the orlop of telescopic rubber, stressed when ascending when telescopic rubber, deformation takes place in telescopic rubber different layers successively, and the distance between two capacitor plates is diminished, it is big that electric capacity becomes, and identified different key code by single-chip microcomputer; Second kind comprises keycap, parallel plate capacitor, telescopic rubber, movable capacitor dielectric, circuit board, single-chip microcomputer, said telescopic rubber is a multilayer, every layer intensity difference, in the top of telescopic rubber be connected with movable electrolyte bottom, movable electrolytical lower end is provided with the positive pole and the negative pole of electric capacity, activity electrolysis mass-energy is is enough come in and gone out between the both positive and negative polarity of electric capacity, telescopic rubber is stressed when descending, deformation takes place in the different layers of telescopic rubber successively, make the movable electrolyte between the both positive and negative polarity of electric capacity increase, electric capacity increases, thereby is identified different key code by single-chip microcomputer.
Description of drawings such as Fig. 1 are the structural representation of SMD first kind of specific implementation, Fig. 2 is the structural representation of SMD second kind of specific implementation, Fig. 3 is the structural representation of conductive rubber formula implementation, Fig. 4 is first kind of structural representation of condenser type implementation, and Fig. 5 is capacitive second kind of implementation schematic diagram.
Specific implementation the present invention has three kinds of implementations.
One, SMD, comprise two kinds of specific implementations.
First kind of implementation such as Fig. 1 comprise: keycap 10, electroconductive elastic sheet 9, circuit board 5, single-chip microcomputer.
Have electroconductive elastic sheet 9 as figure keycap 10, electroconductive elastic sheet 9 has circuit board 5, and circuit board 5 connects single-chip microcomputer.Keycap 10 is common keycap; Electroconductive elastic sheet 9 be one fall in have a good toughness conductor, sectional side view class Sixian is passed low ripple after passing height, and about the axis symmetry; Circuit board 5 is the matrix form circuit board, and circuit board 5 is provided with annular lead 4, toroidal conductor 6, toroidal conductor 7, toroidal conductor 8.
Metal clips is extruded generation deformation when pressing keycap, as shown in Figure 1 electroconductive elastic sheet 1 contacting its below printed circuit cable 6, single-chip microcomputer is made identification; When continuing downwards on time, electroconductive elastic sheet 2 contacts fall connects its below printed circuit cable 7, and connected lead 6,7 two leads of lead this moment, and single-chip microcomputer is made another identification; Can connect lead 6, lead 7,8 three leads of lead when continuing to press simultaneously, this moment, single-chip microcomputer was made a kind of identification again.Can connect lead 6 according to the key of oneself wanting to export with different dynamics, connect lead 6, lead 7, perhaps connect lead 6, lead 7, three kinds of different keys of 8, three kinds of state single-chip microcomputer output of lead.
Second kind of implementation such as Fig. 2 comprise: keycap 11, electroconductive elastic sheet 12, electroconductive elastic sheet 13, electroconductive elastic sheet 14, circuit board 15, single-chip microcomputer.
Have three electroconductive elastic sheets as figure keycap 11: electroconductive elastic sheet 12, electroconductive elastic sheet 13, electroconductive elastic sheet 14.The concave surface of shell fragment is provided with circuit board 15 to direction, and circuit board 15 is provided with single-chip microcomputer.Button 11 is a common key-press; Three electroconductive elastic sheets: electroconductive elastic sheet 12, electroconductive elastic sheet 13, conducting strip 14, the concave surface of shell fragment all faces toward circuit board 15, the intensity difference of electroconductive elastic sheet 12, electroconductive elastic sheet 13, electroconductive elastic sheet 14, the intensity of electroconductive elastic sheet 12 is less than the intensity of electroconductive elastic sheet 13, and the intensity of electroconductive elastic sheet 13 is less than the intensity of electroconductive elastic sheet 14; Circuit board 15 is the matrix circuit plate, and circuit board has last toroidal conductor 16, wire contact 17, wire contact 18, wire contact 19.
When keycap 11 applied pressures are increased, electroconductive elastic sheet 12, electroconductive elastic sheet 13, electroconductive elastic sheet 14 recover " plane " successively, and conducting separately right wire contact 17, wire contact 18, wire contact 19, single-chip microcomputer identifies different information, the output different key code.As figure, electroconductive elastic sheet 12 is connected printed circuit cable contact 17 when exerting pressure, and single-chip microcomputer is made a kind of identification; Along with the increase of dynamics, deformation takes place in electroconductive elastic sheet 13, connects conductive contact 17 and conductive contact 18, and single-chip microcomputer is made another identification; Continue to increase pressure, deformation takes place in electroconductive elastic sheet 14, connects conductive contact 17, conductive contact 18 and conductive contact 19, and this moment, single-chip microcomputer was made a kind of identification again.Can connect wire contact 17 according to the key of oneself wanting to export with different dynamics, wire contact 17 and wire contact 18, wire contact 17, wire contact 18 and three kinds of different key codes of 19, three kinds of state single-chip microcomputer output of wire contact.
Two, the conductive rubber formula comprises: keycap 20, telescopic rubber 27, conductive rubber 21, conductive rubber 23, conductive rubber 25, circuit board 28, single-chip microcomputer.
Telescopic rubber can be a plurality of telescopic rubber and links to each other, and also can make an integral body, but principle is the same.Multilayer rubber with one is that example is introduced its operation principle.
Be provided with telescopic rubber 27 below Fig. 3 keycap 20, telescopic rubber 27 has circuit board 28.Keycap 20 is common keycap; Telescopic rubber 27 is three layers, conductive rubber 21, conductive rubber 23, conductive rubber 25, conductive contact 24, conductive contact 26, conductive contact 28 are arranged respectively on each layer of telescopic rubber 27, the intensity of every layer of telescopic rubber is different, the intensity of the telescopic rubber the superiors is less than the intensity in telescopic rubber intermediate layer, and the intensity in telescopic rubber intermediate layer is less than the intensity of the telescopic rubber bottom; Circuit board 28 is the matrix circuit plate.
When keycap was exerted pressure, deformation took place in the telescopic rubber the superiors, and conductive rubber 21 is connected wire contact 22, and single-chip microcomputer is made identification; Continue to increase pressure, conductive rubber 21, conductive rubber 23 are connected conductive contact 22, conductive contact 24, and single-chip microcomputer is made another identification; Continue to increase pressure, final conductive rubber 21, conductive rubber 23, conductive rubber 25 are connected conductive contact 22, electrical contact 24, electrical contact 26, and this moment, single-chip microcomputer was made a kind of identification again.Can reach three kinds of different conditions with different dynamics according to the key of oneself wanting to export, three kinds of different key codes of single-chip microcomputer output under three kinds of different conditions.
Three, condenser type comprises two kinds of specific implementations.
First kind of implementation comprises: keycap 29, telescopic rubber 31, capacitance cathode 30, electric capacity negative pole 32, circuit board 33, single-chip microcomputer.
Have telescopic rubber 31 as figure keycap 29, fixing capacitance cathode 30 on the said telescopic rubber 31, be provided with electric capacity negative pole 32 below the said telescopic rubber, said electric capacity negative pole 32 is fixed together with said circuit board 33, said circuit board 33 is provided with single-chip microcomputer, said telescopic rubber 31 is divided into three layers as figure, every layer of toughness difference.
When keycap 29 was exerted pressure, uppermost one deck was compressed earlier, and distance is approximately 2/3rds of elongation state between this moment two-plate, and it is original 3/2nds that electric capacity is about, and single-chip microcomputer is made once identification; Make the second layer that deformation also take place when continuing compression, 1/3rd the when distance between the two-plate is about elongation state at this moment, electric capacity is about original three times, and single-chip microcomputer is made once identification again, continues to push, and electric capacity is bigger, is identified again.Can reach three kinds of different conditions with different dynamics according to the key of oneself wanting to export, three kinds of different key codes of single-chip microcomputer output under three kinds of different conditions.The design is because the inversely proportional relation of distance that capacitance size and button are pressed, and single-chip microcomputer is differentiated identification and got up difficultly, proposes second kind of implementation for this reason.
Second kind of implementation comprises: keycap 34, parallel plate capacitor positive pole 37, parallel plate capacitor negative pole 38, telescopic rubber 35, movable capacitor dielectric 36, circuit board 39, single-chip microcomputer.
Have telescopic rubber 35 as figure keycap 34, the upper end of said telescopic rubber 35 inner connection activity capacitor dielectrics 38, the lower end of said movable electrolyte 38 is connected on the circuit, and between two capacitance cathodes of fixing 37, electric capacity negative pole 38, said circuit board 39 is provided with single-chip microcomputer, movable capacitor dielectric 36, overlaps together as figure.Said movable electrolyte 36, by four independently the capacitor dielectric of transverse slat shape form, the coupling part can fold.
When said telescopic rubber 35 was compressed, movable electrolyte 36 can move downward thereupon, and electrolyte increases between parallel plate capacitor the two poles of the earth, and electric capacity increases, and is discerned by single-chip microcomputer.When button was pressed 1/3rd bond lengths, the bottom capacitor dielectric of said movable electrolyte 36 entered between the two-plate of electric capacity, and making electric capacity is C
1When being pressed 2/3rds the time, the capacitor dielectric of two following transverse slat shapes is between the electric capacity two-plate, and making electric capacity is C
2When button was all pressed, all between the electric capacity two-plate, electric capacity was C to the capacitor dielectric of three following transverse slat shapes
3C
1＜C
2＜C
3, single-chip microcomputer is made identification according to the size of electric capacity, the output key.Can reach three kinds of different conditions with different dynamics according to the key of oneself wanting to export, three kinds of different key codes of three kinds of different conditions single-chip microcomputer output.The approximate linear growth relation that is of the distance that capacitance size in this design and button are pressed is differentiated identification by single-chip microcomputer easily.
Three kinds of implementations among the present invention: SMD, conductive rubber formula, condenser type, simple in structure, cost is low, easy enforcement, effective, can effectively reduce the number of keys of existing keyboard, dwindles the volume of existing keyboard, makes the operation of keyboard simpler.
Claims (8)
1. a button has the different key function of output when being pressed different depth.The present invention has that three kinds of implementations are SMD, conductive rubber formula, condenser type.
2. SMD described in claim 1, its implementation comprises keycap, electroconductive elastic sheet, circuit board, single-chip microcomputer.
3. the electroconductive elastic sheet described in claim 2, it is an electroconductive elastic sheet likeness in form that falls in " ripples circle ", good toughness is arranged, pass low ripple after its sectional side view class Sixian is passed height, and about the axis symmetry, the feature of its deformation is: when the power that keycap is applied from small to large the time, can produce different deformation, pass high " crest " and fall successively, each " crest " connects a circuit, finally can all fall, and be discerned by single-chip microcomputer; Perhaps electroconductive elastic sheet is the shell fragment by a plurality of pure concave surfaces, be laminated in the mode of stratiform and form below the keycap, the toughness difference of each shell fragment, combining the deformation characteristics that is produced is: when the power that keycap is applied from small to large the time, deformation can take place in shell fragment successively, finally all deformation, but circuit of each shell fragment deformation conducting, and discerned by single-chip microcomputer.
4. the conductive rubber formula described in claim 1, its implementation comprises keycap, telescopic rubber, conductive rubber, circuit board, single-chip microcomputer.
5. the telescopic rubber described in claim 4, it is characterized in that: a plurality of telescopic rubber, independent separately, and be laminated on below the keycap with stratiform, the toughness of each telescopic rubber is different, so that when the pressure to keycap increased, deformation can take place and connect different circuit in telescopic rubber successively; Perhaps telescopic rubber is an one, but has been made into different layers, each layer intensity difference, and different layers generation deformation energy is connected different circuit, generally makes two to four layers for easy and simple to handle.
6. according to claim 1, the condenser type implementation comprises: keycap, capacitance cathode, electric capacity negative pole, telescopic rubber, circuit board, single-chip microcomputer.
7. as described in the claim 6, telescopic rubber is characterized in that: a plurality of telescopic rubber, independent separately, and be laminated between two pole plates in the mode of stratiform, the intensity of each telescopic rubber is different, so that when pressing the increase of keycap pressure, deformation can take place in each telescopic rubber successively, perhaps telescopic rubber be one but be made into different layers, each layer toughness difference, the different circuit of different layers generation deformation energy conducting are generally made two to four layers for easy and simple to handle.
8. telescopic rubber as described in telescopic rubber described in electroconductive elastic sheet, the claim 4 and the claim 6 described in claim 2, the distance that is pressed along with button increases, the elastic force of its generation increases afterwards earlier and reduces, and then increase and to reduce again, this exports several keys by bond energy just can produce the process that increase several times reduces; In order to strengthen feel, once big before the peakedness ratio that process reached that general next increase reduces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910134542A CN101866770A (en) | 2009-04-14 | 2009-04-14 | Multi-keycode output key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910134542A CN101866770A (en) | 2009-04-14 | 2009-04-14 | Multi-keycode output key |
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| Publication Number | Publication Date |
|---|---|
| CN101866770A true CN101866770A (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910134542A Pending CN101866770A (en) | 2009-04-14 | 2009-04-14 | Multi-keycode output key |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157290A (en) * | 2011-03-18 | 2011-08-17 | 倪军 | Plastic film type multi-key-code key |
| CN103092354A (en) * | 2011-11-07 | 2013-05-08 | 联想(北京)有限公司 | Electronic equipment, multi-functional key and keyboard |
| CN103809873A (en) * | 2012-11-13 | 2014-05-21 | 联想(北京)有限公司 | Information processing method and input device |
| CN104021961A (en) * | 2014-05-27 | 2014-09-03 | 桂林恒昌电子科技有限公司 | Plaster type elastomer touch switch |
| CN105324827A (en) * | 2013-06-20 | 2016-02-10 | 株式会社电装 | Manipulation device |
| CN105378881A (en) * | 2013-09-16 | 2016-03-02 | 西门子公司 | Operator control- and detector device having differentiated signal generation |
| CN105373232A (en) * | 2015-05-04 | 2016-03-02 | 葛少龙 | Keyboard with multi-level key-travel keys |
| WO2016177330A1 (en) * | 2015-05-04 | 2016-11-10 | 葛少龙 | Keyboard with multilevel-key-travel key |
| CN106708275A (en) * | 2015-08-24 | 2017-05-24 | 深圳市金邦科技发展有限公司 | Mechanical keyboard |
| CN108091513A (en) * | 2016-11-22 | 2018-05-29 | 原相科技股份有限公司 | It is capable of the button and its keyboard of feedback compression depth |
| CN108181999A (en) * | 2016-12-08 | 2018-06-19 | 致伸科技股份有限公司 | Multisection type input unit |
| CN112650396A (en) * | 2020-12-16 | 2021-04-13 | 上海闻泰信息技术有限公司 | Projection keyboard system |
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| CN2849932Y (en) * | 2005-03-21 | 2006-12-20 | 宋亮 | Double layer key and keyboard using same |
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| US4385218A (en) * | 1981-04-21 | 1983-05-24 | Matsushita Electric Industrial Co., Ltd. | Electric switch |
| JPH0660773A (en) * | 1992-08-10 | 1994-03-04 | Yamaha Corp | Multistage push button switch |
| CN1379423A (en) * | 2001-04-11 | 2002-11-13 | 曾平蔚 | Zero-resistance key uint with spring cap and multi-layer turn-on |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157290A (en) * | 2011-03-18 | 2011-08-17 | 倪军 | Plastic film type multi-key-code key |
| CN103092354A (en) * | 2011-11-07 | 2013-05-08 | 联想(北京)有限公司 | Electronic equipment, multi-functional key and keyboard |
| CN103092354B (en) * | 2011-11-07 | 2015-12-02 | 联想(北京)有限公司 | A kind of electronic equipment, multifunction push key and keyboard |
| CN103809873B (en) * | 2012-11-13 | 2018-02-27 | 联想(北京)有限公司 | A kind of information processing method and input equipment |
| CN103809873A (en) * | 2012-11-13 | 2014-05-21 | 联想(北京)有限公司 | Information processing method and input device |
| CN105324827A (en) * | 2013-06-20 | 2016-02-10 | 株式会社电装 | Manipulation device |
| CN105378881A (en) * | 2013-09-16 | 2016-03-02 | 西门子公司 | Operator control- and detector device having differentiated signal generation |
| US10032576B2 (en) | 2013-09-16 | 2018-07-24 | Siemens Aktiengesellschaft | Operator control and detector device having differentiated signal generation |
| CN104021961A (en) * | 2014-05-27 | 2014-09-03 | 桂林恒昌电子科技有限公司 | Plaster type elastomer touch switch |
| WO2016177330A1 (en) * | 2015-05-04 | 2016-11-10 | 葛少龙 | Keyboard with multilevel-key-travel key |
| CN105373232A (en) * | 2015-05-04 | 2016-03-02 | 葛少龙 | Keyboard with multi-level key-travel keys |
| CN106708275A (en) * | 2015-08-24 | 2017-05-24 | 深圳市金邦科技发展有限公司 | Mechanical keyboard |
| CN108091513A (en) * | 2016-11-22 | 2018-05-29 | 原相科技股份有限公司 | It is capable of the button and its keyboard of feedback compression depth |
| CN108181999A (en) * | 2016-12-08 | 2018-06-19 | 致伸科技股份有限公司 | Multisection type input unit |
| CN108181999B (en) * | 2016-12-08 | 2021-03-09 | 致伸科技股份有限公司 | Multi-section input device |
| CN112650396A (en) * | 2020-12-16 | 2021-04-13 | 上海闻泰信息技术有限公司 | Projection keyboard system |
| CN112650396B (en) * | 2020-12-16 | 2022-09-06 | 上海闻泰信息技术有限公司 | Projection keyboard system |
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Application publication date: 20101020 |