CN1538267A - Electric capacity type touch control board combined with key and hand writing function - Google Patents
Electric capacity type touch control board combined with key and hand writing function Download PDFInfo
- Publication number
- CN1538267A CN1538267A CNA031084958A CN03108495A CN1538267A CN 1538267 A CN1538267 A CN 1538267A CN A031084958 A CNA031084958 A CN A031084958A CN 03108495 A CN03108495 A CN 03108495A CN 1538267 A CN1538267 A CN 1538267A
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- touch control
- capacitive touch
- control plate
- panel
- button
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Abstract
The touch control board provides multifunctional operation modes: button switches, handwriting input or mouse. The panel of the board is divided into multiple regions showing patterns corresponding to operation modes provided. The said patterns include changeover switch for selecting operation modes: in key button mode, patterns include button switch patterns for simulating keyboard; in handwriting input mode, areas for handwriting recognition are included; in mouse mode, areas for active region of mouse and horizontal and vertical scrolling region are included.
Description
Technical field
The present invention relates to a kind of capacitive touch control plate, particularly a kind of capacitive touch control plate that combines button and handwriting functions.
Background technology
Trackpad is widely known by the people and is widely used in electronic product.Trackpad provides a kind of simple, light and cheap indicating device, and the Trackpad that for example is applied to notebook computer provides mouse function.Fig. 5 is the principle of operation synoptic diagram of capacitive touch control plate, and it comprises insulcrete (not shown), ground plate 36, Y direction circuit 38, the X-direction circuit 40 of the superiors, and the three is connected to control circuit 46.Between Y direction circuit 38 and ground plate 36, equivalent capacity 42 is arranged, between X-direction circuit 40 and ground plate 36, equivalent capacity 44 is arranged.When finger or conductor when touching panel, control circuit 46 can be judged the touch location of finger or conductor according to changes in capacitance, and further does suitable processing.
Known Trackpad has three kinds of resistance-type, electromagnetic type and condenser types, and capacitance type touch control screen has been applied to public telephone or the guide system that for example can surf the Net, yet does not have hand-write input function.Resistance type touch control screen has been applied to for example PDA(Personal Digital Assistant) or electronic dictionary, but can't import according to touching of user's finger.Present Tablet PC or e-schoolbag or the like all dispose the Trackpad that combines handwriting recognition and button input function, but it generally is resistance-type or electromagnetic type.Exert pressure in the set of contacts that need crash during the resistor type touch control plate operation, the electromagnetic touch-control plate then needs to use a kind of input pen that battery is housed to import.
With regard to performance and cost, capacitive touch control plate has obviously surpassed resistance-type and electromagnetic touch-control plate.The principle of work of capacitive touch control plate is the capacity effect that moment produced that utilizes finger or conductor the user to touch Trackpad, thereby can determine to point or the position of conductor according to the variation of capacitance.Therefore, capacitive touch control plate must be by means of the input pen of consumed power unlike the electromagnetic touch-control plate, and uses capacitive touch control plate also unlike using resistor type touch control plate to need concentrated exerting pressure like that, so its serviceable life is longer.Moreover the composition of capacitive touch control plate is simple, and element is few, and the yield rate height makes that cost was lower when capacitive touch control plate was produced in a large number.
As shown in the above description, capacitive touch control plate obviously has more advantage, if capacitive touch control plate and for example keyboard and input function such as hand-written can be used in combination, can provide the input interface that another kind of cost is lower, use is more convenient.
Summary of the invention
One of purpose of the present invention has been to provide a kind of capacitive touch control plate that combines button and handwriting functions.
According to the present invention, a kind of capacitive touch control plate that combines button and handwriting functions, multiple modes of operation such as button, handwriting input or mouse can be provided, the panel of this Trackpad is divided into a plurality of zones, show on it and a corresponding a plurality of pattern of the operator scheme that provides, comprise mode selector switch in these patterns, it is used for select operating mode.Under the button pattern, these patterns have comprised the button pattern of simulating keyboard.Under handwriting input mode, these zones have comprised the handwriting recognition zone that is used for handwriting input.Under mouse mode, these zones comprise cursor zone of action and level, vertical scrolling zone.
Description of drawings
To those skilled in the art, from the detailed description of doing below in conjunction with accompanying drawing, can more clearly understand the present invention, its above-mentioned and other purpose and advantage will become more obvious, wherein:
Fig. 1 is according to capacitive touch control plate of the present invention and the synoptic diagram under button, handwriting input and mouse mode thereof;
Fig. 2 is the embodiment that has used computer keyboard of the present invention;
Fig. 3 is the synoptic diagram that has used the capacitive touch control plate of backlight according to of the present invention;
Fig. 4 is the synoptic diagram that has used the capacitive touch control plate of front end light source according to of the present invention; With
Fig. 5 is the principle of operation synoptic diagram of capacitive touch control plate.
The drawing reference numeral explanation:
10 capacitive touch control plates
12 panels
14 mode selector switch patterns
16 virtual key districts
18 virtual key districts
20 virtual key districts
22 displays
30 virtual machine keyboards
32 backlights
34 front end light sources
36 ground plates
38 Y direction circuits
40 X-direction circuits
42 electric capacity
44 electric capacity
46 control circuits
Embodiment
Fig. 1 is the embodiment according to capacitive touch control plate of the present invention, and Trackpad 10 comprises panel 12, and it is used for touching and importing by finger or conductor; Mode selector switch pattern 14 on the panel 12, it is used for by touching this capacitive touch control plate 10 being switched under button, handwriting input and the mouse mode; Be positioned at the virtual key district 16,18 and 20 on the panel 12; With display 22, it is used to show by virtual key district 16,18 and 20 data of being imported.The people who is familiar with capacitive touch control plate should know: panel 12 mainly comprise be positioned at the surface insulcrete and the beneath substrate that disposes conductor line, this conductor line can be metal or other conductive material, for example (Indium Tin Oxide ITO) makes tin indium oxide.Described substrate also can be for example printed circuit board (PCB), film (membrane) plate or transparency carrier.Because the hardware configuration of panel is not a principal character of the present invention, so just seldom explain at this.
When the user switches to the button pattern with this Trackpad 10, the numerical key in virtual key district 16, # keyboard and * keyboard pattern, " dialing " in virtual key district 18, " corrigendum " and upwards, to inferior function key pattern, and " recovery " in virtual key district 20, " redialing " reach function key patterns such as " reservations " as shown in the reference numeral 24.Configuration shown in the label 24 can be used as the input media of phone.The user can import the telephone number that will dial, and is displayed on the display 22 after the processing of the telephone number of being imported through corresponding software or hardware.
When the user switches to handwriting input mode with this Trackpad 10, as shown in the reference numeral 26, reach function key patterns such as " word selections " by " input ", " corrigendum ", " font " that is used in combination virtual key district 18, virtual key district 16 and 20 becomes the handwriting recognition district.Such configuration can be used for handwriting input.The user can write with finger or conductor in this handwriting recognition district, and after the processing through corresponding software or hardware (for example handwriting recognition module), with the result of handwriting input, for example track or literal, symbol etc. are presented on the display 22.
When the user switches to mouse mode with this Trackpad 10, shown in the Trackpad among Fig. 1 28, this virtual key district 16 becomes the zone of action of cursor (cursor), user's controllable cursor is in the activity in this zone, virtual key district 18 becomes the vertical scrolling functional areas, and virtual key district 20 becomes the functional areas, horizontally scrolling list.Wherein, vertical and the horizontal scroll function district that virtual key district 18 and 20 is provided is a function of having simulated the vertical or horizontal rolling of mouse (scroll) window, its function be similar in the MicrosoftOffice word processor for example vertically and horizontal scroll bar.In addition, also can add the finger identification module, it is used for discerning the number of the finger that touches panel 12, and according to the finger number difference produce different instructions, for example, when the judgement of finger identification module had two fingers to touch panel, just the function of left mouse button was clicked in simulation, when this finger identification module judgement had three fingers to touch panel, just the function of right mouse button was clicked in simulation.
Certainly, in different embodiment, the configuration in the virtual key zone under the button pattern also can be a keyboard as shown in Figure 2.
Fig. 2 is an application example of the present invention, makes capacitive touch control plate 30 have as shown in FIG. configuration, just it can be used as computer keyboard and use.
Fig. 3 and Fig. 4 have installed light source so that be adapted to the synoptic diagram of capacitive touch control plate of the occasion of insufficient light according to of the present invention.Fig. 3 is that the panel that capacitive touch control plate uses is a light-permeable, the situation of glass material for example, and its use is shone this panel 12 so that the backlight 32 of display text or pattern from the behind of panel 12.Fig. 4 then uses from the place ahead of panel 12 and shines this panel 12 so that give the literal of panel surface or the front end light source 34 that pattern provides illumination.
In the ordinary course of things, in above-mentioned explanation and accompanying drawing, the literal of button or pattern are positioned on that layer insulcrete of panel 12.Certainly, under the situation that does not deviate from spirit of the present invention, other variation or modification also are possible.
If the present invention needing simultaneously to be used for the device of button and literal input, for example devices such as mobile phone, the public telephone that can surf the Net, computer keyboard, PDA, information household appliances (IA) and computing machine dictionary just more can show its advantage.Particularly when being used for mobile phone, will the input function of mobile phone significantly be improved, and the thickness attenuation, making its key-press module compared to conventional mobile phone, cost is more cheap.
More than the description done for the preferred embodiments of the present invention be the purpose that is used to illustrate, and unintentionally the present invention accurately is defined as disclosed form, the present invention is made an amendment or changes is possible based on above guidance or by the study embodiments of the invention, embodiment is in order to illustrate principle of the present invention and make those skilled in the art use the present invention to select in actual applications by various embodiment and describe that technological thought of the present invention is limited by claim.
Claims (40)
1. capacitive touch control plate that combines button and handwriting functions comprises:
Panel is used for touching and importing by finger or conductor;
The mode selector switch pattern, on described panel, it is used to make described capacitive touch control plate to switch between button and handwriting input mode;
Described panel is divided into a plurality of zones corresponding with described button and handwriting input mode; With
Be arranged in a plurality of patterns in described a plurality of zones, be used under described button and handwriting input mode, operating.
2. capacitive touch control plate as claimed in claim 1, wherein said mode selector switch pattern also is used for described capacitive touch control plate is switched under the mouse mode.
3. capacitive touch control plate as claimed in claim 1 wherein also comprises display, and it is used to show the data by described panel input.
4. capacitive touch control plate as claimed in claim 1, wherein said panel comprise insulcrete and dispose the substrate of conductor line, and described substrate is to be selected among the plate group that printed circuit board (PCB), thin web and transparency carrier form.
5. capacitive touch control plate as claimed in claim 4, wherein said conductor line is to be made of tin indium oxide.
6. capacitive touch control plate as claimed in claim 4, wherein said insulcrete are the light-permeable plates.
7. capacitive touch control plate as claimed in claim 1 comprises also being arranged near the back lighting device of described panel that it is used to described panel that illumination is provided.
8. capacitive touch control plate as claimed in claim 1 also comprises handwriting recognition module, and it is used for carrying out handwriting recognition under described handwriting input mode.
9. capacitive touch control plate as claimed in claim 1 also comprises the finger identification module, and it is used to discern the number of the finger that touches described panel.
10. capacitive touch control plate as claimed in claim 1, wherein said a plurality of patterns comprise the telephone keypad pattern.
11. a mobile phone is characterized in that this mobile phone is provided with capacitive touch control plate, this Trackpad comprises:
Panel is used for touching and importing by finger or conductor;
The mode selector switch pattern, on described panel, it is used to make described capacitive touch control plate to switch between button and handwriting input mode;
Described panel is divided into a plurality of zones corresponding with described button and handwriting input mode; With
Be arranged in a plurality of patterns in described a plurality of zones, be used under described button and handwriting input mode, operating.
12. capacitive touch control plate as claimed in claim 11, wherein said mode selector switch pattern also is used for described capacitive touch control plate is switched under the mouse mode.
13. capacitive touch control plate as claimed in claim 11 wherein also comprises display, it is used to show the data by described panel input.
14. capacitive touch control plate as claimed in claim 11, wherein said panel comprise insulcrete and dispose the substrate of conductor line, described substrate is to be selected among the plate group that printed circuit board (PCB), thin web and transparency carrier form.
15. capacitive touch control plate as claimed in claim 14, wherein said conductor line is to be made of tin indium oxide.
16. capacitive touch control plate as claimed in claim 14, wherein said insulcrete are the light-permeable plates.
17. capacitive touch control plate as claimed in claim 11 comprises also being arranged near the back lighting device of described panel that it is used to described panel that illumination is provided.
18. capacitive touch control plate as claimed in claim 11 also comprises handwriting recognition module, it is used for carrying out handwriting recognition under described handwriting input mode.
19. capacitive touch control plate as claimed in claim 11 also comprises the finger identification module, it is used to discern the number of the finger that touches described panel.
20. capacitive touch control plate as claimed in claim 11, wherein said a plurality of patterns comprise the telephone keypad pattern.
21. a capacitive touch control plate that combines button and mouse function comprises:
Panel is used for touching and importing by finger or conductor;
The mode selector switch pattern, on described panel, it is used to make described capacitive touch control plate to switch between button and mouse mode;
Described panel is divided into a plurality of zones corresponding with described button and mouse mode; With
Be arranged in a plurality of patterns in described a plurality of zones, be used under described button and mouse mode, operating.
22. capacitive touch control plate as claimed in claim 21, wherein said mode selector switch pattern also is used for described capacitive touch control plate is switched under the handwriting input mode.
23. capacitive touch control plate as claimed in claim 21 wherein also comprises display, it is used to show the data by described panel input.
24. capacitive touch control plate as claimed in claim 21, wherein said panel comprise insulcrete and dispose the substrate of conductor line, described substrate is to be selected among the plate group that printed circuit board (PCB), thin web and transparency carrier form.
25. capacitive touch control plate as claimed in claim 24, wherein said conductor line is to be made of tin indium oxide.
26. capacitive touch control plate as claimed in claim 24, wherein said insulcrete are the light-permeable plates.
27. capacitive touch control plate as claimed in claim 21 comprises also being arranged near the back lighting device of described panel that it is used to described panel that illumination is provided.
28. capacitive touch control plate as claimed in claim 22 also comprises handwriting recognition module, it is used for carrying out handwriting recognition under described handwriting input mode.
29. capacitive touch control plate as claimed in claim 21 also comprises the finger identification module, it is used to discern the number of the finger that touches described panel.
30. capacitive touch control plate as claimed in claim 21, wherein said a plurality of patterns comprise the telephone keypad pattern.
31. a capacitive touch control plate that combines mouse and handwriting functions comprises:
Panel is used for touching and importing by finger or conductor;
The mode selector switch pattern, on described panel, it is used to make described capacitive touch control plate to switch between mouse and handwriting input mode;
Described panel is divided into a plurality of zones corresponding with described mouse and handwriting input mode; With
Be arranged in a plurality of patterns in described a plurality of zones, be used under described mouse and handwriting input mode, operating.
32. capacitive touch control plate as claimed in claim 31, wherein said mode selector switch pattern also is used for described capacitive touch control plate is switched under the button pattern.
33. capacitive touch control plate as claimed in claim 31 wherein also comprises display, it is used to show the data by described panel input.
34. capacitive touch control plate as claimed in claim 31, wherein said panel comprise insulcrete and dispose the substrate of conductor line, described substrate is to be selected among the plate group that printed circuit board (PCB), thin web and transparency carrier form.
35. capacitive touch control plate as claimed in claim 34, wherein said conductor line is to be made of tin indium oxide.
36. capacitive touch control plate as claimed in claim 34, wherein said insulcrete are the light-permeable plates.
37. capacitive touch control plate as claimed in claim 31 comprises also being arranged near the back lighting device of described panel that it is used to described panel that illumination is provided.
38. capacitive touch control plate as claimed in claim 31 also comprises handwriting recognition module, it is used for carrying out handwriting recognition under described handwriting input mode.
39. capacitive touch control plate as claimed in claim 31 also comprises the finger identification module, it is used to discern the number of the finger that touches described panel.
40. capacitive touch control plate as claimed in claim 31, wherein said a plurality of patterns comprise the telephone keypad pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031084958A CN1538267A (en) | 2003-04-14 | 2003-04-14 | Electric capacity type touch control board combined with key and hand writing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031084958A CN1538267A (en) | 2003-04-14 | 2003-04-14 | Electric capacity type touch control board combined with key and hand writing function |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101776911A Division CN101699381B (en) | 2003-04-14 | 2003-04-14 | Capacitive touch pad combining key and handwriting functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1538267A true CN1538267A (en) | 2004-10-20 |
Family
ID=34319143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031084958A Pending CN1538267A (en) | 2003-04-14 | 2003-04-14 | Electric capacity type touch control board combined with key and hand writing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1538267A (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006066456A1 (en) * | 2004-12-23 | 2006-06-29 | Dong Li | A inductive-switch user interface device and portable terminal thereof |
| CN100374998C (en) * | 2005-03-01 | 2008-03-12 | 联想(北京)有限公司 | Touch control type information input device and method |
| WO2008074223A1 (en) * | 2006-12-19 | 2008-06-26 | Bo Qiu | Human computer interaction device, electronic device and human computer interaction method |
| CN100419645C (en) * | 2005-03-03 | 2008-09-17 | 义隆电子股份有限公司 | Video and audio device |
| CN1781566B (en) * | 2004-12-02 | 2010-04-07 | 鈊象电子股份有限公司 | Game device capable of transmitting specific information and its method |
| CN101116045B (en) * | 2005-01-27 | 2010-05-19 | 艾勒博科技股份有限公司 | Apparatus and method for searching and displaying data |
| WO2010139251A1 (en) * | 2009-05-31 | 2010-12-09 | 杨颖之 | Input method and input apparatus |
| WO2010139130A1 (en) * | 2009-06-04 | 2010-12-09 | 中兴通讯股份有限公司 | Method and device for implementing personal configuration of keyboard |
| CN101587379B (en) * | 2008-05-20 | 2011-01-26 | 联想(北京)有限公司 | Computer keyboard with function of touchpad and control method thereof |
| CN101650615B (en) * | 2008-08-13 | 2011-01-26 | 怡利电子工业股份有限公司 | Automatic switching method of cursor controller and keyboard of push type touchpad |
| CN101976168A (en) * | 2010-09-30 | 2011-02-16 | 宇龙计算机通信科技(深圳)有限公司 | Hand input processing method and device as well as hand input processing equipment |
| US7903003B2 (en) | 2005-08-10 | 2011-03-08 | Asustek Computer Inc. | Electronic module with track identification function and keypad identification function |
| CN101458576B (en) * | 2007-12-11 | 2011-04-27 | 联想(北京)有限公司 | Input device, method and notebook computer |
| CN102665308A (en) * | 2007-03-02 | 2012-09-12 | 精工爱普生株式会社 | Organic electroluminescence device having input function and electronic apparatus |
| CN101770290B (en) * | 2009-01-06 | 2012-10-17 | 欧缔科技股份有限公司 | Method for converting touch control plate into touch control mode or digital key and/or hot key input mode |
| CN101894534B (en) * | 2009-05-19 | 2012-10-17 | 深圳富泰宏精密工业有限公司 | Electronic device and display method of virtual keyboard thereof |
| CN102073398B (en) * | 2009-11-19 | 2013-01-02 | 升达科技股份有限公司 | Touch-sensitive method and electronic device |
| CN101551727B (en) * | 2009-05-07 | 2013-03-27 | 宇龙计算机通信科技(深圳)有限公司 | Mobile communication terminal and touch-screen input control method and system |
| CN101609388B (en) * | 2008-06-20 | 2013-04-10 | 义隆电子股份有限公司 | Touchpad module capable of interpreting multi-object gestures and operating method thereof |
| CN103152026A (en) * | 2011-12-06 | 2013-06-12 | 中强光电股份有限公司 | Touch button device and projector |
| CN101324812B (en) * | 2006-12-19 | 2014-07-23 | 邱波 | Human-machine interactive apparatus, electronic equipment and input method |
| CN114296572A (en) * | 2021-12-16 | 2022-04-08 | 广东虹勤通讯技术有限公司 | Touch control electronic equipment |
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2003
- 2003-04-14 CN CNA031084958A patent/CN1538267A/en active Pending
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1781566B (en) * | 2004-12-02 | 2010-04-07 | 鈊象电子股份有限公司 | Game device capable of transmitting specific information and its method |
| WO2006066456A1 (en) * | 2004-12-23 | 2006-06-29 | Dong Li | A inductive-switch user interface device and portable terminal thereof |
| CN101116045B (en) * | 2005-01-27 | 2010-05-19 | 艾勒博科技股份有限公司 | Apparatus and method for searching and displaying data |
| CN100374998C (en) * | 2005-03-01 | 2008-03-12 | 联想(北京)有限公司 | Touch control type information input device and method |
| CN100419645C (en) * | 2005-03-03 | 2008-09-17 | 义隆电子股份有限公司 | Video and audio device |
| US7903003B2 (en) | 2005-08-10 | 2011-03-08 | Asustek Computer Inc. | Electronic module with track identification function and keypad identification function |
| WO2008074223A1 (en) * | 2006-12-19 | 2008-06-26 | Bo Qiu | Human computer interaction device, electronic device and human computer interaction method |
| CN106484125B (en) * | 2006-12-19 | 2020-06-05 | 浙江讯翔信息科技有限公司 | Man-machine interaction device, electronic device and method |
| CN106484125A (en) * | 2006-12-19 | 2017-03-08 | 邱波 | Human-computer interaction device of new generation, electronic installation and method |
| CN101324812B (en) * | 2006-12-19 | 2014-07-23 | 邱波 | Human-machine interactive apparatus, electronic equipment and input method |
| CN101595445B (en) * | 2006-12-19 | 2016-08-24 | 长兴泽宇信息科技有限公司 | Human-computer interaction device, electronic installation and man-machine interaction method |
| CN102665308A (en) * | 2007-03-02 | 2012-09-12 | 精工爱普生株式会社 | Organic electroluminescence device having input function and electronic apparatus |
| CN101458576B (en) * | 2007-12-11 | 2011-04-27 | 联想(北京)有限公司 | Input device, method and notebook computer |
| CN101587379B (en) * | 2008-05-20 | 2011-01-26 | 联想(北京)有限公司 | Computer keyboard with function of touchpad and control method thereof |
| CN101609388B (en) * | 2008-06-20 | 2013-04-10 | 义隆电子股份有限公司 | Touchpad module capable of interpreting multi-object gestures and operating method thereof |
| CN101650615B (en) * | 2008-08-13 | 2011-01-26 | 怡利电子工业股份有限公司 | Automatic switching method of cursor controller and keyboard of push type touchpad |
| CN101770290B (en) * | 2009-01-06 | 2012-10-17 | 欧缔科技股份有限公司 | Method for converting touch control plate into touch control mode or digital key and/or hot key input mode |
| CN101551727B (en) * | 2009-05-07 | 2013-03-27 | 宇龙计算机通信科技(深圳)有限公司 | Mobile communication terminal and touch-screen input control method and system |
| CN101894534B (en) * | 2009-05-19 | 2012-10-17 | 深圳富泰宏精密工业有限公司 | Electronic device and display method of virtual keyboard thereof |
| WO2010139251A1 (en) * | 2009-05-31 | 2010-12-09 | 杨颖之 | Input method and input apparatus |
| WO2010139130A1 (en) * | 2009-06-04 | 2010-12-09 | 中兴通讯股份有限公司 | Method and device for implementing personal configuration of keyboard |
| CN102073398B (en) * | 2009-11-19 | 2013-01-02 | 升达科技股份有限公司 | Touch-sensitive method and electronic device |
| CN101976168B (en) * | 2010-09-30 | 2013-01-23 | 宇龙计算机通信科技(深圳)有限公司 | Hand input processing method and device as well as hand input processing equipment |
| CN101976168A (en) * | 2010-09-30 | 2011-02-16 | 宇龙计算机通信科技(深圳)有限公司 | Hand input processing method and device as well as hand input processing equipment |
| CN103152026A (en) * | 2011-12-06 | 2013-06-12 | 中强光电股份有限公司 | Touch button device and projector |
| CN114296572A (en) * | 2021-12-16 | 2022-04-08 | 广东虹勤通讯技术有限公司 | Touch control electronic equipment |
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