TWI584179B - 多點觸控解碼之方法及系統 - Google Patents
多點觸控解碼之方法及系統 Download PDFInfo
- Publication number
- TWI584179B TWI584179B TW102111326A TW102111326A TWI584179B TW I584179 B TWI584179 B TW I584179B TW 102111326 A TW102111326 A TW 102111326A TW 102111326 A TW102111326 A TW 102111326A TW I584179 B TWI584179 B TW I584179B
- Authority
- TW
- Taiwan
- Prior art keywords
- value
- node
- touch
- mutual
- current
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
- G06F3/041662—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving using alternate mutual and self-capacitive scanning
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261617831P | 2012-03-30 | 2012-03-30 | |
| US13/830,891 US9207820B2 (en) | 2012-03-30 | 2013-03-14 | Method and system for multi-touch decoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201346689A TW201346689A (zh) | 2013-11-16 |
| TWI584179B true TWI584179B (zh) | 2017-05-21 |
Family
ID=49234267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102111326A TWI584179B (zh) | 2012-03-30 | 2013-03-29 | 多點觸控解碼之方法及系統 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9207820B2 (enExample) |
| EP (1) | EP2831709B1 (enExample) |
| JP (1) | JP6255381B2 (enExample) |
| KR (1) | KR20140140628A (enExample) |
| CN (1) | CN104303137B (enExample) |
| TW (1) | TWI584179B (enExample) |
| WO (1) | WO2013149164A2 (enExample) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9612265B1 (en) | 2011-09-23 | 2017-04-04 | Cypress Semiconductor Corporation | Methods and apparatus to detect a conductive object |
| US9207820B2 (en) | 2012-03-30 | 2015-12-08 | Microchip Technology Incorporated | Method and system for multi-touch decoding |
| US9430107B2 (en) | 2012-03-30 | 2016-08-30 | Microchip Technology Incorporated | Determining touch locations and forces thereto on a touch and force sensing surface |
| WO2014015032A2 (en) * | 2012-07-19 | 2014-01-23 | Cypress Semiconductor Corporation | Touchscreen data processing |
| US9342196B2 (en) * | 2012-07-19 | 2016-05-17 | Parade Technologies, Ltd. | Hardware accelerator for touchscreen data processing |
| CN103294321A (zh) * | 2013-06-06 | 2013-09-11 | 敦泰科技有限公司 | 一种触控显示装置 |
| US8872526B1 (en) * | 2013-09-10 | 2014-10-28 | Cypress Semiconductor Corporation | Interleaving sense elements of a capacitive-sense array |
| US8823399B1 (en) * | 2013-10-07 | 2014-09-02 | Cypress Semiconductor Corporation | Detect and differentiate touches from different size conductive objects on a capacitive button |
| JP6303575B2 (ja) * | 2014-02-18 | 2018-04-04 | 日本電産リード株式会社 | タッチパネルのタッチ位置検出方法、タッチパネル検査方法、及びタッチパネル検査装置 |
| TWI497394B (zh) * | 2014-03-12 | 2015-08-21 | Au Optronics Corp | 電子裝置與觸碰點判斷方法 |
| US9354743B2 (en) * | 2014-04-16 | 2016-05-31 | Microchip Technology Incorporated | Apparatus for improving signal-to-noise performance of projected capacitance touch screens and panels |
| US9904417B2 (en) * | 2014-04-16 | 2018-02-27 | Microchip Technology Incorporated | Projected capacitive touch detection with touch force detection using self-capacitance and mutual capacitance detection |
| WO2015160948A1 (en) * | 2014-04-16 | 2015-10-22 | Microchip Technology Incorporated | Determining touch locations and forces thereto on a touch and force sensing surface |
| US20150378498A1 (en) * | 2014-06-30 | 2015-12-31 | Synaptics Incorporated | Hybrid capacitive sensor device |
| DE102014117823A1 (de) * | 2014-12-04 | 2016-06-09 | Valeo Schalter Und Sensoren Gmbh | Lenkrad für ein Kraftfahrzeug mit einem Sensorsystem und Verfahren zum Erkennen einer Anwesenheit einer menschlichen Hand in einem Greifbereich eines solchen Lenkrads |
| JP6712597B2 (ja) | 2014-12-23 | 2020-06-24 | ケンブリッジ タッチ テクノロジーズ リミテッドCambridge Touch Technologies Limited | 感圧式タッチパネル |
| GB2533667B (en) | 2014-12-23 | 2017-07-19 | Cambridge Touch Tech Ltd | Pressure-sensitive touch panel |
| CN104679373B (zh) * | 2015-02-11 | 2017-12-08 | 广州中国科学院先进技术研究所 | 一种自电容式触摸屏的触摸点定位方法 |
| JP6554013B2 (ja) * | 2015-10-14 | 2019-07-31 | キヤノン株式会社 | 入力装置、入力装置の制御方法、入力装置を備える電子機器、電子機器の制御方法、プログラムおよび記憶媒体 |
| GB2544307B (en) | 2015-11-12 | 2018-02-07 | Cambridge Touch Tech Ltd | Processing signals from a touchscreen panel |
| GB2544353B (en) | 2015-12-23 | 2018-02-21 | Cambridge Touch Tech Ltd | Pressure-sensitive touch panel |
| US10282046B2 (en) | 2015-12-23 | 2019-05-07 | Cambridge Touch Technologies Ltd. | Pressure-sensitive touch panel |
| CN105677094B (zh) * | 2016-01-04 | 2018-10-09 | 京东方科技集团股份有限公司 | 触控面板、触控点检测方法和显示装置 |
| CN106504272B (zh) * | 2016-09-23 | 2019-03-15 | 北京仁光科技有限公司 | 一种修复触控系统触点轨迹错误的方法 |
| CN108614643A (zh) * | 2016-09-23 | 2018-10-02 | 李璇 | 多芯片的大型触摸屏系统 |
| US10578463B2 (en) * | 2016-12-19 | 2020-03-03 | Microchip Technology Incorporated | Detection of defects in motor position decoder system |
| TWI598794B (zh) * | 2017-03-03 | 2017-09-11 | 遠翔科技股份有限公司 | 用於防水之觸控系統 |
| GB2565305A (en) | 2017-08-08 | 2019-02-13 | Cambridge Touch Tech Ltd | Device for processing signals from a pressure-sensing touch panel |
| US11093088B2 (en) | 2017-08-08 | 2021-08-17 | Cambridge Touch Technologies Ltd. | Device for processing signals from a pressure-sensing touch panel |
| US10996792B2 (en) * | 2017-09-15 | 2021-05-04 | Stmicroelectronics Asia Pacific Pte Ltd | Partial mutual capacitive touch sensing in a touch sensitive device |
| US10417857B2 (en) | 2017-09-22 | 2019-09-17 | Interblock D.D. | Electronic-field communication for gaming environment amplification |
| US10712883B2 (en) * | 2018-02-09 | 2020-07-14 | Stmicroelectronics Asia Pacific Pte Ltd | Electronic device validating multiple finger touch detection through donut shaped touch islands, and related methods |
| GB2585653B (en) * | 2019-07-09 | 2022-03-23 | Cambridge Touch Tech Ltd | Force signal processing |
| CN113966456B (zh) * | 2019-08-05 | 2023-12-12 | 阿尔卑斯阿尔派株式会社 | 运算装置、输入装置、运算方法以及程序 |
| KR20230094322A (ko) | 2021-12-21 | 2023-06-28 | 주식회사 엘엑스세미콘 | 터치센싱장치 및 터치센싱방법 |
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| WO2005114695A2 (en) * | 2004-05-21 | 2005-12-01 | Silicon Light Machines Corporation | Optical position sensing device |
| KR20070043593A (ko) * | 2005-10-20 | 2007-04-25 | 닛토덴코 가부시키가이샤 | 투명 도전성 적층체 및 그를 구비한 터치 패널 |
| US20110025629A1 (en) * | 2009-07-28 | 2011-02-03 | Cypress Semiconductor Corporation | Dynamic Mode Switching for Fast Touch Response |
| US20110096003A1 (en) * | 2009-06-12 | 2011-04-28 | Hill Jared C | Multitouch input to touchpad derived from positive slope detection data |
| TWM422119U (en) * | 2010-12-30 | 2012-02-01 | Egalax Empia Technology Inc | Capacitive touch screen |
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| US9207820B2 (en) | 2012-03-30 | 2015-12-08 | Microchip Technology Incorporated | Method and system for multi-touch decoding |
| TWI490760B (zh) | 2012-04-03 | 2015-07-01 | Elan Microelectronics Corp | A method and an apparatus for improving noise interference of a capacitive touch device |
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-
2013
- 2013-03-14 US US13/830,891 patent/US9207820B2/en active Active
- 2013-03-29 WO PCT/US2013/034635 patent/WO2013149164A2/en not_active Ceased
- 2013-03-29 JP JP2015503647A patent/JP6255381B2/ja not_active Expired - Fee Related
- 2013-03-29 CN CN201380025260.8A patent/CN104303137B/zh active Active
- 2013-03-29 KR KR1020147030456A patent/KR20140140628A/ko not_active Ceased
- 2013-03-29 TW TW102111326A patent/TWI584179B/zh not_active IP Right Cessation
- 2013-03-29 EP EP13715583.4A patent/EP2831709B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005114695A2 (en) * | 2004-05-21 | 2005-12-01 | Silicon Light Machines Corporation | Optical position sensing device |
| KR20070043593A (ko) * | 2005-10-20 | 2007-04-25 | 닛토덴코 가부시키가이샤 | 투명 도전성 적층체 및 그를 구비한 터치 패널 |
| US20110096003A1 (en) * | 2009-06-12 | 2011-04-28 | Hill Jared C | Multitouch input to touchpad derived from positive slope detection data |
| US20110025629A1 (en) * | 2009-07-28 | 2011-02-03 | Cypress Semiconductor Corporation | Dynamic Mode Switching for Fast Touch Response |
| TWM422119U (en) * | 2010-12-30 | 2012-02-01 | Egalax Empia Technology Inc | Capacitive touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201346689A (zh) | 2013-11-16 |
| US9207820B2 (en) | 2015-12-08 |
| EP2831709B1 (en) | 2018-07-18 |
| CN104303137B (zh) | 2017-07-28 |
| WO2013149164A3 (en) | 2013-11-21 |
| JP2015515685A (ja) | 2015-05-28 |
| EP2831709A2 (en) | 2015-02-04 |
| JP6255381B2 (ja) | 2017-12-27 |
| CN104303137A (zh) | 2015-01-21 |
| WO2013149164A2 (en) | 2013-10-03 |
| KR20140140628A (ko) | 2014-12-09 |
| US20130257799A1 (en) | 2013-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |