CN102096487A - Integrated touch input device and touch recognition method - Google Patents
Integrated touch input device and touch recognition method Download PDFInfo
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- CN102096487A CN102096487A CN2009102119796A CN200910211979A CN102096487A CN 102096487 A CN102096487 A CN 102096487A CN 2009102119796 A CN2009102119796 A CN 2009102119796A CN 200910211979 A CN200910211979 A CN 200910211979A CN 102096487 A CN102096487 A CN 102096487A
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Abstract
The invention relates to an integrated touch input device and a touch recognition method. The touch input device mainly comprises a touch panel, an antenna loop array, a digital signal processor, a scanning control circuit and a main processor, wherein the touch panel is used for generating a touch signal; the digital signal processor is used for sensing the touch signal; the antenna loop array is used for receiving an electromagnetic induction signal returned by a touch stylus; the scanning control circuit is used for sensing and calculating the electromagnetic induction signal; and the main processor recognizes an accurate touch position according to the touch signal and the electromagnetic induction signal and eliminates a wrong touch position.
Description
Technical field
The present invention relates to a kind of touch-control input device and inner used touch-control discrimination method thereof of conformability, particularly relate to a kind of touch-control input device and the touch-control discrimination method that can get rid of the wrong touch detection of palm false touch.
Background technology
The common on the market touch technology that arrives mainly can be divided into resistance-type, condenser type, electromagnetic type, infrared-type, optical profile type or ultrasonic formula etc. at present.The contact panel development of resistance-type for a long time, mainly based on the single-point type touch technology, yet whether electric resistance touch-control can't can detect when hovering above the contact panel surface when pointer near contact panel, just there is not distance of reaction, when palm touches this contact panel simultaneously with finger, the wrong touch detection in the time of also can't preventing the palm false touch.Capacitive contact panel is mainly can realize the multi-point touch technology, but this touch technology equally can't be when finger or pointer can detect distance of reaction, the wrong touch detection in the time of equally also can't preventing the palm false touch above being positioned over contact panel.
In addition, the contact panel of electromagnetic type or be called hand input device has the advantage of higher accuracy and resolution, is used in widely that professional art designing draws and field such as industry drawing, its technical can be with the battery pen being arranged and not having the battery pen and distinguish for two kinds.The patent of the electromagnetic type handwriting device of no battery pen is mainly with the United States Patent (USP) U.S. notification number 4,789,765,4 of Wacom company, 878,553,4,956,526 and 7, patent such as 005,843 is representative, and its advantage is to have distance of reaction, and be not afraid of the palm elbow and be pressed on and write in the district, but its shortcoming can only the single-point input writing, and a special electromagnetic project organization relative complex is many, and cost is also higher.
According to the shortcoming of above-mentioned contact panel, in order to increase the practicality of contact panel, exist a kind of Demand Design can get rid of the wrong touch detection of palm false touch, and the touch-control input device of detecting the modified form of the ability of spiraling.
Summary of the invention
Fundamental purpose of the present invention is, provides a kind of touch-control input device of conformability can have the ability of distance of reaction.
Another object of the present invention is to, provide a kind of touch-control input device can prevent the wrong touch detection of palm false touch via exclusive touch-control stylus.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of touch-control input device that the present invention proposes, comprise at least: a contact panel is used to produce a touching signals; One digital signal processor is used to detect this touching signals; One antenna loop array is used to produce an electromagnetic induction signal of a touch-control stylus; One scans control circuit, is used to detect this electromagnetic induction signal; And a primary processor, according to this touching signals and the correct at least one position of touch of this electromagnetic induction signal identification, get rid of this wrong position of touch.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid touch-control input device, wherein above-mentioned antenna loop array more can be launched the energy that generates electromagnetic waves.
Aforesaid touch-control input device, wherein above-mentioned touch-control stylus more comprise an oscillatory circuit can store this electromagnetic wave energy that is produced by this antenna loop array.
Aforesaid touch-control input device, wherein above-mentioned oscillatory circuit can be launched this stored electromagnetic energy and return to this antenna loop array.
Aforesaid touch-control input device, wherein above-mentioned oscillatory circuit are a LC oscillatory circuit.
Aforesaid touch-control input device, wherein above-mentioned primary processor be this touching signals and this electromagnetic induction signal relatively, if this position of touch that this touching signals and this electromagnetic induction signal are detected and inequality is got rid of this position of touch.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of touch-control input device that the present invention proposes, comprise at least: a contact panel is used to produce a touching signals; One digital signal processor electrically connects this contact panel, is used to detect this touching signals; One antenna loop array is used to produce an electromagnetic induction signal of a touch-control stylus; One multiplexer electrically connects this antenna loop array, is used to detect this electromagnetic induction signal and generates electromagnetic waves energy; One amplifying circuit is used to amplify this electromagnetic induction signal; One sample circuit, this electromagnetic induction signal is used to take a sample; One analog-digital converter is used for this electromagnetic induction signal is done analog digital conversion; And a primary processor, according to this touching signals and the correct at least one position of touch of this electromagnetic induction signal identification, get rid of this wrong position of touch.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid touch-control input device, wherein above-mentioned touch-control stylus more comprise an oscillatory circuit and can store by this antenna and return the electromagnetic wave energy that image array produces.
Aforesaid touch-control input device, wherein above-mentioned oscillatory circuit can be launched this electromagnetic wave energy and return to this antenna loop array.
Aforesaid touch-control input device, when wherein above-mentioned touch-control stylus spiraled above this contact panel, this touch-control input device can detect the position coordinates of this touch-control stylus.
Aforesaid touch-control input device, wherein above-mentioned oscillatory circuit are a LC oscillatory circuit.
Aforesaid touch-control input device, wherein above-mentioned sample circuit are an amplitude sample circuit.
Aforesaid touch-control input device, wherein above-mentioned primary processor be this touching signals and this electromagnetic induction signal relatively, if this position of touch that this touching signals and this electromagnetic induction signal are detected and inequality is got rid of this position of touch.
The object of the invention to solve the technical problems realizes in addition more by the following technical solutions.According to a kind of touch-control discrimination method that the present invention proposes, whether it comprises following steps: detect a touching signals and exist; Whether detect an electromagnetic induction signal exists; If detect this touching signals but do not detect this electromagnetic induction signal, transmit this touching signals; Simultaneously also detect this electromagnetic induction signal if detect this touching signals, and this touching signals and this electromagnetic induction signal be identical, transmit this touching signals; And, revise the processing of palm false touch if this touching signals and this electromagnetic induction signal are misfitted.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid touch-control discrimination method, the step of wherein above-mentioned this touching signals of detecting is carried out on a contact panel.
Aforesaid touch-control discrimination method, the step of wherein above-mentioned this electromagnetic induction signal of detecting is carried out on an antenna loop array.
Aforesaid touch-control discrimination method, wherein above-mentioned touch-control discrimination method are as the criterion with this electromagnetic induction signal and revise this touching signals when this touching signals and this electromagnetic induction signal are misfitted.
Aforesaid touch-control discrimination method, wherein above-mentioned touch-control discrimination method when this touching signals and this electromagnetic induction signal are when coincideing, confirms that then the position of touch that this touching signals and this electromagnetic induction signal are indicated respectively is similar.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, the touch-control input device of conformability of the present invention and touch-control discrimination method have following advantage and beneficial effect at least:
1. prevent to cause the error detection of contactor control device because of the palm accident touch on touch control panel;
2. correct coordinates position that can more accurate identification touch-control.
In sum, touch-control input device of the present invention mainly comprises contact panel, antenna loop array, digital signal processor, scan control circuit and primary processor.Contact panel is used to produce touching signals; Digital signal processor is used to detect a touching signals; Antenna loop array is used to receive the electromagnetic induction signal that the touch-control stylus is passed back; Scanning control circuit is used for detecting and calculates electromagnetic induction signal; Primary processor can be according to touching signals and the correct position of touch of electromagnetic induction signal identification, the position of touch of debug.The present invention has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 shows the calcspar of touch-control input device of the present invention.
Fig. 2 shows the calcspar of the touch-control input device of another embodiment of the present invention.
Fig. 3 shows the method flow diagram of the signal correction palm false touch detecting of touch-control input device of the present invention.
Fig. 4 shows the flow chart of steps of the signal correction palm false touch detecting of touch-control input device of the present invention.
10: touch-control input device 102: contact panel
104: antenna loop array 106: digital signal processor
108: scan control circuit 110: primary processor
112: touch-control stylus 1122: oscillatory circuit
114: electronic installation 20: touch-control input device
202: contact panel 204: antenna loop array
206: digital signal processor 208: multiplexer
210: amplifying circuit 212: sample circuit
214: analog-digital converter 216: primary processor
218: touch-control stylus 2182: oscillatory circuit
220: electronic installation 302～324: state
402～408: step
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, touch-control input device and its embodiment of touch-control discrimination method, structure, method, step, feature and the effect thereof of the conformability that foundation the present invention is proposed, describe in detail as after.
See also shown in Figure 1ly, show the calcspar of touch-control input device of the present invention., this touch-control input device 10 mainly comprises contact panel 102, antenna loop array 104, digital signal processor 106, scan control circuit 108 and primary processor 110.On contact panel 102 of the present invention, no matter be that single-point touch or multi-point touch mode all can realize on this contact panel 102.Furthermore, the electric resistance touch-control panel that this contact panel 102 can be a multipoint mode or the contact panel of optical scanning formula can be applied on the contact panel 102 of the present invention as long as can realize the single-point touch or the contact panel of multi-point touch.When the user touches this contact panel 102, can produce a touching signals.Be different from traditional touch-control input device, touch-control input device 10 of the present invention is provided with an antenna loop array 104 below contact panel 102, this antenna loop array 104 is to be used to respond to the electromagnetic change that the touch-control stylus 112 write on contact panel 102 is produced, and then spreads out of electromagnetic induction signal.Digital signal processor 106 electrically connects contact panel 102, it is used to scan the position of detecting touching signals on contact panel 102, because digital signal processor 106 is existing prior art for the touch detection of contact panel 102, so repeat no more for the technological means of digital signal processor 106.Scan 108 of control circuits and be used for periodically launching momently energy of electromagnetic field to handling touch-control stylus 112, when touch-control stylus 112 near contact panel 102 during with antenna loop array 104, can therefore induce electromagnetic induction signal and far and near and oscillation amplitude change arranged according to it.At last, digital signal processor 106 electrically connects primary processor 110 respectively with scan control circuit 108, the touching signals that primary processor 110 is transmitted according to digital signal processor 106 and scan control circuit 108 and electromagnetic induction signal are compared the difference of binary signal position, therefore and picked out rational position of touch, the error detection when getting rid of the palm false touch.
Still consult Fig. 1, touch-control input device 10 of the present invention more comprises a touch-control stylus 112.This touch-control stylus 112 comprises an oscillatory circuit 1122, the purpose that installs this oscillatory circuit 1122 in touch-control stylus 112 additional is to receive the energy of electromagnetic field of being launched from antenna loop array 104 momently, when antenna loop array 104 stops emitted energy, oscillatory circuit 1122 is because of there being storage power, just can signal be fired back via the coil of self, in touch-control stylus 112 distance certain near contact panel 102 tops, can detect the position coordinates of touch-control stylus 112, and then position coordinates is revised the touch detection result of digital signal processor 106 according to this.In addition, when the user uses this touch-control stylus 112 to operate above contact panel 102, if user's palm has touched contact panel 102 because of carelessness at this moment, because palm does not partly have oscillatory circuit 1122, antenna loop array 104 does not react for the detecting of the touch-control part of palm, the position of touch that the position of touch that can be detected at contact panel 102 when the processing of primary processor 110 and antenna loop array 104 are detected is made comparisons, the part of palm false touch can be regarded as rub-out signal in relatively, and then the part of palm false touch got rid of, can on the display screen of electronic installation 114, not show.In this thing that need illustrate, this oscillatory circuit 1122 is LC oscillatory circuit structure in a preferred embodiment, and LC oscillatory circuit structure is known by being familiar with this skill person, so be not described in detail in this circuit theory to LC oscillatory circuit structure.
See also shown in Figure 2ly, show the calcspar of the touch-control input device of another embodiment of the present invention.This touch-control input device 20 mainly comprises contact panel 202, antenna loop array 204, digital signal processor 206, multiplexer 208, amplifying circuit 210, sample circuit 212, analog-digital converter 214 and primary processor 216.Equally, in this embodiment, no matter be that single-point touch or multi-point touch mode all can realize on this contact panel 202.When the user touches this contact panel 202, can produce touching signals.The embodiment that is different from Fig. 1 more comprises multiplexer 208, amplifying circuit 210, sample circuit 212 and analog-digital converter 214 at this touch-control input device 20.Multiplexer 208 is used for the electromagnetic induction signal of receiving antenna loop array 204, and can give touch-control stylus 218 to launch energy of electromagnetic field momently by control antenna loop array 204.Amplifying circuit 210 is sent to sample circuit 212 with the electromagnetic induction signal amplification, the amplitude of sample circuit 212 sampling electromagnetic induction signals, transmit signals to analog-digital converter 214 again, through the conversion of signals of analog-digital converter, the sampling electromagnetic induction signal with numeral is passed to primary processor 216 identifications at last.Possesses touch-control stylus 218 in this embodiment equally, because this touch-control stylus 218 comprises an oscillatory circuit 2182, can receive the energy of electromagnetic field of being launched from antenna loop array 204, after oscillatory circuit 2182 energy storage, just signal can be fired back, when touch-control stylus 218 is above contact panel 202, can detect the position coordinates of touch-control stylus 218, except can be used for increasing the increase degree of accuracy of contact panel 202, and then can get rid of the wrong touch-control identification that other objects touch contact panel 202 because of carelessness.At last correct position of touch is presented on the electronic installation 220.
See also shown in Figure 3ly, show the method flow diagram of the signal correction palm false touch detecting of touch-control input device of the present invention.In state 302, contact panel begins to scan detecting, and checks whether have touching signals to produce in state 304.Produce the touching signals of the scanning touch-control stylus in 306 of then getting the hang of if detected touching signals.If detect the touching signals of touch-control stylus in state 308, whether the position of touch of confirming the touch-control stylus in 310 of then getting the hang of is approaching with the position of touch that contact panel is detected.If do not detect the touching signals of touch-control stylus, then regard as the touch-control of non-touch-control stylus, in state 312, the touch-control coordinate that recognizes is sent to the electronics process of rear end.In addition, approaching if the position of touch of touch-control stylus is the position of touch detected with contact panel, then in state 314, transmit the electronics process of the coordinate position signal of touch-control to the rear end; If the position of touch of touch-control stylus is not approaching with the position of touch that contact panel is detected, then in state 316, make the error exception of touch-control false touch, in state 314, transmit the electronics process of the coordinate position signal of touch-control that contact panel detects again to the rear end.If do not produce and in state 304, detect touching signals, the touching signals of 318 scanning touch-control stylus then gets the hang of, in state 320, check whether be the electromagnetic signal that has the touch-control stylus,, then get back to state 302 if also do not detect the electromagnetic signal of touch-control stylus.If the touching signals that detects the touch-control stylus is arranged, then judge it is that palm is gripping the unsettled process of touch-control stylus above contact panel at state 322, the coordinate position signal of touch-control stylus position is transmitted to the electronics process of rear end in state 324, gets back to state 302 then.
See also shown in Figure 4ly, show the flow chart of steps of the signal correction palm false touch detecting of touch-control input device of the present invention.In step 402, whether the detecting touching signals exists on contact panel; In step 404, whether exist by antenna loop array detecting electromagnetic induction signal.If in step 406, detect touching signals but do not detect the electromagnetic induction signal of touch-control stylus, transmit touch-control coordinate to an electronics process of touching signals.Simultaneously the electromagnetic induction signal that detects the touch-control stylus is arranged also if detect touching signals in step 408, and touching signals is identical with electromagnetic induction signal, transmission touch-control coordinate is to this electronics process; In step 410, if touching signals and electromagnetic induction signal are misfitted, revise the processing of palm false touch, transmit touching signals then.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (18)
1. touch-control input device is characterized in that comprising at least:
One contact panel is used to produce a touching signals;
One digital signal processor is used to detect this touching signals;
One antenna loop array is used to produce an electromagnetic induction signal of a touch-control stylus;
One scans control circuit, is used to detect this electromagnetic induction signal; And
One primary processor according to this touching signals and the correct at least one position of touch of this electromagnetic induction signal identification, is got rid of this wrong position of touch.
2. touch-control input device according to claim 1 is characterized in that wherein above-mentioned antenna loop array more can launch the energy that generates electromagnetic waves.
3. touch-control input device according to claim 2 is characterized in that wherein above-mentioned touch-control stylus more comprises an oscillatory circuit and can store this electromagnetic wave energy that is produced by this antenna loop array.
4. touch-control input device according to claim 3 is characterized in that wherein above-mentioned oscillatory circuit can launch this stored electromagnetic energy and return to this antenna loop array.
5. touch-control input device according to claim 3 is characterized in that wherein above-mentioned oscillatory circuit is a LC oscillatory circuit.
6. touch-control input device according to claim 2, it is characterized in that wherein above-mentioned primary processor relatively this touching signals and this electromagnetic induction signal, if this position of touch that this touching signals and this electromagnetic induction signal are detected is also inequality, get rid of this position of touch.
7. touch-control input device is characterized in that comprising at least:
One contact panel is used to produce a touching signals;
One digital signal processor electrically connects this contact panel, is used to detect this touching signals;
One antenna loop array is used to produce an electromagnetic induction signal of a touch-control stylus;
One multiplexer electrically connects this antenna loop array, is used to detect this electromagnetic induction signal and generates electromagnetic waves energy;
One amplifying circuit is used to amplify this electromagnetic induction signal;
One sample circuit, this electromagnetic induction signal is used to take a sample;
One analog-digital converter is used for this electromagnetic induction signal is done analog digital conversion; And
One primary processor according to this touching signals and the correct at least one position of touch of this electromagnetic induction signal identification, is got rid of this wrong position of touch.
8. touch-control input device according to claim 7 is characterized in that wherein above-mentioned touch-control stylus more comprises an oscillatory circuit and can store an electromagnetic wave energy that is produced by this antenna loop array.
9. touch-control input device according to claim 8 is characterized in that wherein above-mentioned oscillatory circuit can launch this electromagnetic wave energy and return to this antenna loop array.
10. touch-control input device according to claim 8, when it is characterized in that wherein above-mentioned touch-control stylus spirals above this contact panel, this touch-control input device can detect the position coordinates of this touch-control stylus.
11. touch-control input device according to claim 8 is characterized in that wherein above-mentioned oscillatory circuit is a LC oscillatory circuit.
12. touch-control input device according to claim 7 is characterized in that wherein above-mentioned sample circuit is an amplitude sample circuit.
13. touch-control input device according to claim 7, it is characterized in that wherein above-mentioned primary processor relatively this touching signals and this electromagnetic induction signal, if this position of touch that this touching signals and this electromagnetic induction signal are detected is also inequality, get rid of this position of touch.
14. a touch-control discrimination method is characterized in that it comprises following steps:
Whether detect a touching signals exists;
Whether detect an electromagnetic induction signal exists;
If detect this touching signals but do not detect this electromagnetic induction signal, transmit this touching signals;
Simultaneously also detect this electromagnetic induction signal if detect this touching signals, and this touching signals and this electromagnetic induction signal be identical, transmit this touching signals; And
If this touching signals and this electromagnetic induction signal are misfitted, revise the processing of palm false touch.
15. touch-control discrimination method according to claim 14 is characterized in that the step of wherein above-mentioned this touching signals of detecting is carried out on a contact panel.
16. touch-control discrimination method according to claim 14 is characterized in that the step of wherein above-mentioned this electromagnetic induction signal of detecting is carried out on an antenna loop array.
17. touch-control discrimination method according to claim 14 is characterized in that wherein above-mentioned touch-control discrimination method when this touching signals and this electromagnetic induction signal are misfitted, and is as the criterion with this electromagnetic induction signal and revises this touching signals.
18. touch-control discrimination method according to claim 14, it is characterized in that wherein above-mentioned touch-control discrimination method, when this touching signals and this electromagnetic induction signal are when coincideing, confirm that then the position of touch that this touching signals and this electromagnetic induction signal are indicated respectively is similar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910211979.6A CN102096487B (en) | 2009-12-10 | 2009-12-10 | Integrated touch input device and touch recognition method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910211979.6A CN102096487B (en) | 2009-12-10 | 2009-12-10 | Integrated touch input device and touch recognition method |
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| Publication Number | Publication Date |
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| CN102096487A true CN102096487A (en) | 2011-06-15 |
| CN102096487B CN102096487B (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910211979.6A Expired - Fee Related CN102096487B (en) | 2009-12-10 | 2009-12-10 | Integrated touch input device and touch recognition method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103164074A (en) * | 2011-11-25 | 2013-06-19 | 纬创资通股份有限公司 | Touch signal processing method and calculator device thereof |
| CN103838418A (en) * | 2012-11-23 | 2014-06-04 | 三星电机株式会社 | Input device |
| CN107845247A (en) * | 2017-11-30 | 2018-03-27 | 无锡迪富智能电子股份有限公司 | One kind touches waterproof intelligent remote controller |
| CN108700956A (en) * | 2016-03-06 | 2018-10-23 | 微软技术许可有限责任公司 | The live power sensing calibration of pen |
| CN108874184A (en) * | 2017-05-16 | 2018-11-23 | 矽统科技股份有限公司 | Touch control display system, touch control display method, active pen and touch device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307520C (en) * | 2002-09-25 | 2007-03-28 | 株式会社华科姆 | Position detection apparatus and its position indicator |
| CN2833708Y (en) * | 2005-05-13 | 2006-11-01 | 太瀚科技股份有限公司 | Wireless input pen structure for electronic notepad |
| CN101551713A (en) * | 2008-03-31 | 2009-10-07 | 太瀚科技股份有限公司 | Pointer input device with double input modes |
-
2009
- 2009-12-10 CN CN200910211979.6A patent/CN102096487B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103164074A (en) * | 2011-11-25 | 2013-06-19 | 纬创资通股份有限公司 | Touch signal processing method and calculator device thereof |
| CN103838418A (en) * | 2012-11-23 | 2014-06-04 | 三星电机株式会社 | Input device |
| CN108700956A (en) * | 2016-03-06 | 2018-10-23 | 微软技术许可有限责任公司 | The live power sensing calibration of pen |
| CN108700956B (en) * | 2016-03-06 | 2021-12-31 | 微软技术许可有限责任公司 | Pen field force sensing calibration |
| CN108874184A (en) * | 2017-05-16 | 2018-11-23 | 矽统科技股份有限公司 | Touch control display system, touch control display method, active pen and touch device |
| CN107845247A (en) * | 2017-11-30 | 2018-03-27 | 无锡迪富智能电子股份有限公司 | One kind touches waterproof intelligent remote controller |
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| CN102096487B (en) | 2014-09-17 |
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