CN102171637A - 用于检测光学触摸敏感装置中的多触摸事件的方法和设备 - Google Patents
用于检测光学触摸敏感装置中的多触摸事件的方法和设备 Download PDFInfo
- Publication number
- CN102171637A CN102171637A CN2009801396126A CN200980139612A CN102171637A CN 102171637 A CN102171637 A CN 102171637A CN 2009801396126 A CN2009801396126 A CN 2009801396126A CN 200980139612 A CN200980139612 A CN 200980139612A CN 102171637 A CN102171637 A CN 102171637A
- Authority
- CN
- China
- Prior art keywords
- touch point
- light beam
- point
- candidate touch
- light beams
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 74
- 238000004458 analytical method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 38
- 230000008569 process Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 12
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 241001553178 Arachis glabrata Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04186—Touch location disambiguation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
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)
Abstract
Description
Claims (28)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IES2008/0652 | 2008-08-07 | ||
IES20080652 | 2008-08-07 | ||
IES20080827 | 2008-10-10 | ||
IES2008/0827 | 2008-10-10 | ||
PCT/EP2009/005736 WO2010015408A1 (en) | 2008-08-07 | 2009-08-07 | Method and apparatus for detecting a multitouch event in an optical touch-sensitive device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102171637A true CN102171637A (zh) | 2011-08-31 |
CN102171637B CN102171637B (zh) | 2015-08-12 |
Family
ID=41334449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980139612.6A Active CN102171637B (zh) | 2008-08-07 | 2009-08-07 | 用于检测光学触摸敏感装置中的多触摸事件的方法和设备 |
Country Status (6)
Country | Link |
---|---|
US (4) | US8350831B2 (zh) |
EP (1) | EP2338104B1 (zh) |
JP (1) | JP5378519B2 (zh) |
KR (1) | KR101593574B1 (zh) |
CN (1) | CN102171637B (zh) |
WO (1) | WO2010015408A1 (zh) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103123555A (zh) * | 2013-02-19 | 2013-05-29 | 创维光电科技(深圳)有限公司 | 一种基于红外触摸屏的图形识别方法、装置及红外触摸屏 |
CN104216571A (zh) * | 2013-05-31 | 2014-12-17 | 上海精研电子科技有限公司 | 一种触摸屏、触摸识别方法及装置 |
CN104423724A (zh) * | 2013-09-06 | 2015-03-18 | 联想(北京)有限公司 | 触控位置确定方法、装置、电路、pcb板及电子设备 |
CN104813263A (zh) * | 2012-07-24 | 2015-07-29 | 拉普特知识产权公司 | 用于光触敏装置的增强光学波导 |
CN105843455A (zh) * | 2014-12-29 | 2016-08-10 | 纬创资通股份有限公司 | 影像感测阵列的有效像素的设定方法 |
CN106569643A (zh) * | 2016-10-27 | 2017-04-19 | 青岛海信电器股份有限公司 | 一种红外触摸屏触控点定位的方法及装置 |
CN106569642A (zh) * | 2015-10-13 | 2017-04-19 | 鸿合科技有限公司 | 一种触摸点识别方法和系统 |
CN106649147A (zh) * | 2015-10-30 | 2017-05-10 | 三星电子株式会社 | 用于存储事件信号和图像的存储方法和存储设备 |
CN107209609A (zh) * | 2015-02-09 | 2017-09-26 | 平蛙实验室股份公司 | 包括在传输面板上方和内部投射和检测光束的装置的光学触摸系统 |
CN107329634A (zh) * | 2012-04-30 | 2017-11-07 | 拉普特知识产权公司 | 光学触敏装置中用触摸事件模板检测多触摸事件 |
CN109828685A (zh) * | 2018-12-18 | 2019-05-31 | 深圳市德名利电子有限公司 | 一种触摸屏带水与诡点的区分方法、触摸屏及移动终端 |
US10795506B2 (en) | 2008-08-07 | 2020-10-06 | Rapt Ip Limited | Detecting multitouch events in an optical touch- sensitive device using touch event templates |
TWI827604B (zh) * | 2018-05-18 | 2024-01-01 | 加拿大商1004335安大略有限公司 | 光學觸控感測器裝置與系統及其偵測器與控制器 |
Families Citing this family (104)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9471170B2 (en) | 2002-11-04 | 2016-10-18 | Neonode Inc. | Light-based touch screen with shift-aligned emitter and receiver lenses |
US8902196B2 (en) * | 2002-12-10 | 2014-12-02 | Neonode Inc. | Methods for determining a touch location on a touch screen |
FR2930340B1 (fr) * | 2008-04-22 | 2013-03-22 | Total Sa | Procede d'echantillonage de sulfure d'hydrogene. |
US8553014B2 (en) | 2008-06-19 | 2013-10-08 | Neonode Inc. | Optical touch screen systems using total internal reflection |
WO2010015408A1 (en) * | 2008-08-07 | 2010-02-11 | Owen Drumm | Method and apparatus for detecting a multitouch event in an optical touch-sensitive device |
US9063615B2 (en) * | 2008-08-07 | 2015-06-23 | Rapt Ip Limited | Detecting multitouch events in an optical touch-sensitive device using line images |
SE533704C2 (sv) | 2008-12-05 | 2010-12-07 | Flatfrog Lab Ab | Pekkänslig apparat och förfarande för drivning av densamma |
US9063614B2 (en) | 2009-02-15 | 2015-06-23 | Neonode Inc. | Optical touch screens |
US9158416B2 (en) | 2009-02-15 | 2015-10-13 | Neonode Inc. | Resilient light-based touch surface |
US8341558B2 (en) * | 2009-09-16 | 2012-12-25 | Google Inc. | Gesture recognition on computing device correlating input to a template |
JP2011081740A (ja) * | 2009-10-09 | 2011-04-21 | Fujitsu Component Ltd | 光式タッチパネル |
CN102656547A (zh) * | 2009-10-19 | 2012-09-05 | 平蛙实验室股份公司 | 确定一个或多个物体在触摸表面上的触摸数据 |
KR101103708B1 (ko) * | 2010-02-18 | 2012-01-11 | 한국과학기술연구원 | 광신호를 이용한 터치인식장치 및 터치인식방법 |
CN101930322B (zh) * | 2010-03-26 | 2012-05-23 | 深圳市天时通科技有限公司 | 一种可同时识别触摸屏多个触点的识别方法 |
US9383864B2 (en) * | 2010-03-31 | 2016-07-05 | Smart Technologies Ulc | Illumination structure for an interactive input system |
US9557837B2 (en) | 2010-06-15 | 2017-01-31 | Pixart Imaging Inc. | Touch input apparatus and operation method thereof |
CN103189759B (zh) * | 2010-09-02 | 2018-07-03 | 百安托国际有限公司 | 用于检测和跟踪表面上的辐射阻断物体的系统和方法 |
TWI490756B (zh) * | 2013-01-09 | 2015-07-01 | 原相科技股份有限公司 | 光學觸控系統 |
US20130271429A1 (en) * | 2010-10-06 | 2013-10-17 | Pixart Imaging Inc. | Touch-control system |
JP5815932B2 (ja) * | 2010-10-27 | 2015-11-17 | 京セラ株式会社 | 電子機器 |
US8786577B2 (en) * | 2010-11-03 | 2014-07-22 | Toshiba Tec Kabushiki Kaisha | Apparatus and method for recognizing coordinates |
TWI420369B (zh) * | 2011-05-12 | 2013-12-21 | Wistron Corp | 影像式觸控裝置及影像式觸控系統 |
WO2013005949A2 (ko) * | 2011-07-01 | 2013-01-10 | 주식회사 알엔디플러스 | 멀티 터치 인식 장치 |
KR101260341B1 (ko) | 2011-07-01 | 2013-05-06 | 주식회사 알엔디플러스 | 멀티 터치 인식 장치 |
US20140300572A1 (en) * | 2011-08-10 | 2014-10-09 | Flatfrog Laboratories Ab | Touch determination by tomographic reconstruction |
CN102289324B (zh) * | 2011-09-15 | 2014-08-20 | 鸿富锦精密工业(深圳)有限公司 | 触摸输入装置及具有该触摸输入装置的电子装置 |
TWI563437B (en) * | 2011-09-26 | 2016-12-21 | Egalax Empia Technology Inc | Apparatus for detecting position by infrared rays and touch panel using the same |
TWI451312B (zh) * | 2011-12-19 | 2014-09-01 | Pixart Imaging Inc | 光學觸控裝置及其光源組件 |
US9639210B2 (en) * | 2011-12-22 | 2017-05-02 | Flatfrog Laboratories Ab | Touch determination with interaction compensation |
US8294687B1 (en) | 2012-02-23 | 2012-10-23 | Cypress Semiconductor Corporation | False touch filtering for capacitance sensing systems |
KR101372423B1 (ko) * | 2012-03-26 | 2014-03-10 | 주식회사 알엔디플러스 | 멀티 터치스크린 장치 |
WO2013176615A2 (en) | 2012-05-23 | 2013-11-28 | Flatfrog Laboratories Ab | Touch-sensitive apparatus with improved spatial resolution |
US10168835B2 (en) | 2012-05-23 | 2019-01-01 | Flatfrog Laboratories Ab | Spatial resolution in touch displays |
WO2013176613A2 (en) | 2012-05-23 | 2013-11-28 | Flatfrog Laboratories Ab | Touch-sensitive apparatus with improved spatial resolution |
US9965090B2 (en) | 2012-06-29 | 2018-05-08 | Parade Technologies, Ltd. | Determination of touch orientation in a touch event |
US9304622B2 (en) * | 2012-06-29 | 2016-04-05 | Parade Technologies, Ltd. | Touch orientation calculation |
FR2993067B1 (fr) * | 2012-07-06 | 2014-07-18 | Ece | Dispositif et procede de detection infrarouge a commande tactile multitoucher predictible |
US9524060B2 (en) | 2012-07-13 | 2016-12-20 | Rapt Ip Limited | Low power operation of an optical touch-sensitive device for detecting multitouch events |
WO2014017973A1 (en) | 2012-07-24 | 2014-01-30 | Flatfrog Laboratories Ab | Optical coupling in touch-sensing systems using diffusively transmitting element |
JP5924197B2 (ja) * | 2012-09-03 | 2016-05-25 | 沖電気工業株式会社 | 遮光体検知装置及び操作表示装置 |
US9164625B2 (en) | 2012-10-14 | 2015-10-20 | Neonode Inc. | Proximity sensor for determining two-dimensional coordinates of a proximal object |
US9207800B1 (en) | 2014-09-23 | 2015-12-08 | Neonode Inc. | Integrated light guide and touch screen frame and multi-touch determination method |
US10324565B2 (en) | 2013-05-30 | 2019-06-18 | Neonode Inc. | Optical proximity sensor |
US9741184B2 (en) | 2012-10-14 | 2017-08-22 | Neonode Inc. | Door handle with optical proximity sensors |
US10585530B2 (en) | 2014-09-23 | 2020-03-10 | Neonode Inc. | Optical proximity sensor |
US9921661B2 (en) | 2012-10-14 | 2018-03-20 | Neonode Inc. | Optical proximity sensor and associated user interface |
US10282034B2 (en) | 2012-10-14 | 2019-05-07 | Neonode Inc. | Touch sensitive curved and flexible displays |
WO2014098740A1 (en) | 2012-12-17 | 2014-06-26 | Flatfrog Laboratories Ab | Optical coupling of light into touch-sensing systems |
WO2014098742A1 (en) | 2012-12-17 | 2014-06-26 | Flatfrog Laboratories Ab | Edge-coupled touch-sensitive apparatus |
WO2014098743A1 (en) | 2012-12-17 | 2014-06-26 | Flatfrog Laboratories Ab | Optical coupling in touch-sensing systems |
US10365768B2 (en) | 2012-12-20 | 2019-07-30 | Flatfrog Laboratories Ab | TIR-based optical touch systems of projection-type |
JP6117562B2 (ja) * | 2013-02-13 | 2017-04-19 | ソニー株式会社 | 情報処理装置、情報処理方法および情報処理システム |
US10019113B2 (en) | 2013-04-11 | 2018-07-10 | Flatfrog Laboratories Ab | Tomographic processing for touch detection |
JP6134442B2 (ja) * | 2013-06-04 | 2017-05-24 | ネオノード インコーポレイテッド | 光タッチスクリーン |
US9874978B2 (en) | 2013-07-12 | 2018-01-23 | Flatfrog Laboratories Ab | Partial detect mode |
KR102006266B1 (ko) * | 2013-08-28 | 2019-08-01 | 엘지디스플레이 주식회사 | 액정표시장치의 빛샘 구분 장치 및 방법 |
US10152176B2 (en) | 2013-11-22 | 2018-12-11 | Flatfrog Laboratories Ab | Touch sensitive apparatus with improved spatial resolution |
US10126882B2 (en) | 2014-01-16 | 2018-11-13 | Flatfrog Laboratories Ab | TIR-based optical touch systems of projection-type |
WO2015108479A1 (en) | 2014-01-16 | 2015-07-23 | Flatfrog Laboratories Ab | Light coupling in tir-based optical touch systems |
TWI528246B (zh) * | 2014-03-31 | 2016-04-01 | 緯創資通股份有限公司 | 可撓式光感應薄膜、資訊擷取系統與資訊擷取方法 |
US9582117B2 (en) * | 2014-04-28 | 2017-02-28 | Qualcomm Incorporated | Pressure, rotation and stylus functionality for interactive display screens |
US9864470B2 (en) | 2014-05-30 | 2018-01-09 | Flatfrog Laboratories Ab | Enhanced interaction touch system |
US10161886B2 (en) | 2014-06-27 | 2018-12-25 | Flatfrog Laboratories Ab | Detection of surface contamination |
DE112015004010T5 (de) | 2014-09-02 | 2017-06-14 | Rapt Ip Limited | Instrumentenerfassung mit einer optischen berührungsempfindlichen Vorrichtung |
US9965101B2 (en) | 2014-09-02 | 2018-05-08 | Rapt Ip Limited | Instrument detection with an optical touch sensitive device |
US10108301B2 (en) | 2014-09-02 | 2018-10-23 | Rapt Ip Limited | Instrument detection with an optical touch sensitive device, with associating contacts with active instruments |
TWI533181B (zh) * | 2014-09-18 | 2016-05-11 | 緯創資通股份有限公司 | 光學式觸控感測裝置及其觸控信號判斷方法 |
TWI529583B (zh) * | 2014-12-02 | 2016-04-11 | 友達光電股份有限公司 | 觸控系統與觸控偵測方法 |
US9791977B2 (en) * | 2014-12-16 | 2017-10-17 | Rapt Ip Limited | Transient deformation detection for a touch-sensitive surface |
EP3250993B1 (en) | 2015-01-28 | 2019-09-04 | FlatFrog Laboratories AB | Dynamic touch quarantine frames |
US10318074B2 (en) | 2015-01-30 | 2019-06-11 | Flatfrog Laboratories Ab | Touch-sensing OLED display with tilted emitters |
US10401546B2 (en) | 2015-03-02 | 2019-09-03 | Flatfrog Laboratories Ab | Optical component for light coupling |
US9684407B2 (en) | 2015-04-22 | 2017-06-20 | Samsung Electronics Co., Ltd. | Method and apparatus for determining shape and orientation of a touch object on handheld devices |
CN106293261B (zh) * | 2015-05-21 | 2019-07-12 | 青岛海信电器股份有限公司 | 一种触摸屏定位方法、装置及触屏设备 |
US10698536B2 (en) * | 2015-07-08 | 2020-06-30 | Wistron Corporation | Method of detecting touch position and touch apparatus thereof |
GB2556800B (en) * | 2015-09-03 | 2022-03-02 | Smart Technologies Ulc | Transparent interactive touch system and method |
WO2017099657A1 (en) | 2015-12-09 | 2017-06-15 | Flatfrog Laboratories Ab | Improved stylus identification |
CN110100226A (zh) | 2016-11-24 | 2019-08-06 | 平蛙实验室股份公司 | 触摸信号的自动优化 |
US10871896B2 (en) * | 2016-12-07 | 2020-12-22 | Bby Solutions, Inc. | Touchscreen with three-handed gestures system and method |
EP3667475B1 (en) | 2016-12-07 | 2022-09-07 | FlatFrog Laboratories AB | A curved touch device |
US9910544B1 (en) | 2016-12-14 | 2018-03-06 | Cypress Semiconductor Corporation | Uniformity correction method for low cost and non-rectangular touch sensor matrices |
CN106775084B (zh) * | 2016-12-16 | 2019-04-16 | Oppo广东移动通信有限公司 | 一种触摸屏的防误触方法、装置及移动终端 |
WO2018141948A1 (en) | 2017-02-06 | 2018-08-09 | Flatfrog Laboratories Ab | Optical coupling in touch-sensing systems |
US20180275830A1 (en) * | 2017-03-22 | 2018-09-27 | Flatfrog Laboratories Ab | Object characterisation for touch displays |
WO2018182476A1 (en) | 2017-03-28 | 2018-10-04 | Flatfrog Laboratories Ab | Touch sensing apparatus and method for assembly |
CN111052058B (zh) | 2017-09-01 | 2023-10-20 | 平蛙实验室股份公司 | 改进的光学部件 |
CN107728860B (zh) * | 2017-10-19 | 2020-06-23 | 海信视像科技股份有限公司 | 一种红外触摸屏触摸点识别方法、装置及触屏设备 |
US11169641B2 (en) | 2018-01-23 | 2021-11-09 | Beechrock Limited | Compliant stylus interaction with touch sensitive surface |
US11175767B2 (en) | 2018-02-19 | 2021-11-16 | Beechrock Limited | Unwanted touch management in touch-sensitive devices |
WO2019172826A1 (en) | 2018-03-05 | 2019-09-12 | Flatfrog Laboratories Ab | Improved touch-sensing apparatus |
US12055969B2 (en) | 2018-10-20 | 2024-08-06 | Flatfrog Laboratories Ab | Frame for a touch-sensitive device and tool therefor |
US11054935B2 (en) | 2018-11-19 | 2021-07-06 | Beechrock Limited | Stylus with contact sensor |
WO2020153890A1 (en) | 2019-01-25 | 2020-07-30 | Flatfrog Laboratories Ab | A videoconferencing terminal and method of operating the same |
US20200310621A1 (en) | 2019-03-29 | 2020-10-01 | Rapt Ip Limited | Unwanted touch management in touch-sensitive devices |
US11624878B2 (en) | 2019-05-03 | 2023-04-11 | Beechrock Limited | Waveguide-based image capture |
IT201900007040A1 (it) * | 2019-05-21 | 2020-11-21 | Centro Di Ricerca Sviluppo E Studi Superiori In Sardegna Crs4 Srl Uninominale | Sistema per rilevamento delle interazioni con una superficie |
CN114730228A (zh) | 2019-11-25 | 2022-07-08 | 平蛙实验室股份公司 | 一种触摸感应设备 |
US20210157442A1 (en) | 2019-11-25 | 2021-05-27 | Beechrock Limited | Interaction touch objects |
US11842014B2 (en) | 2019-12-31 | 2023-12-12 | Neonode Inc. | Contactless touch input system |
JP2023512682A (ja) | 2020-02-10 | 2023-03-28 | フラットフロッグ ラボラトリーズ アーベー | 改良型タッチ検知装置 |
KR102340281B1 (ko) * | 2020-02-19 | 2021-12-17 | 주식회사 픽셀스코프 | 라이다 센서를 구비한 터치 인식 방법 및 장치 |
EP4222586A4 (en) | 2020-09-30 | 2024-11-06 | Neonode Inc | OPTICAL TOUCH SENSOR |
KR102329501B1 (ko) * | 2020-10-05 | 2021-11-24 | 주식회사 디스플레이앤라이프 | 비접촉 터치 스크린을 갖는 표시장치 |
WO2022077243A1 (zh) * | 2020-10-14 | 2022-04-21 | 深圳市康冠商用科技有限公司 | 一种触控信号处理方法、系统及触控一体机 |
Family Cites Families (112)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3673327A (en) | 1970-11-02 | 1972-06-27 | Atomic Energy Commission | Touch actuable data input panel assembly |
US3867628A (en) | 1973-07-30 | 1975-02-18 | Scientific Technology | Pulsed light receiver and method |
CH600503A5 (zh) | 1976-01-20 | 1978-06-15 | Sprecher & Schuh Ag | |
CA1109539A (en) | 1978-04-05 | 1981-09-22 | Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of Communications | Touch sensitive computer input device |
US4384201A (en) | 1978-04-24 | 1983-05-17 | Carroll Manufacturing Corporation | Three-dimensional protective interlock apparatus |
US4267443A (en) | 1978-04-24 | 1981-05-12 | Carroll Manufacturing Corporation | Photoelectric input apparatus |
US4243879A (en) | 1978-04-24 | 1981-01-06 | Carroll Manufacturing Corporation | Touch panel with ambient light sampling |
US4254333A (en) | 1978-05-31 | 1981-03-03 | Bergstroem Arne | Optoelectronic circuit element |
US4301447A (en) * | 1979-12-12 | 1981-11-17 | Sperry Corporation | Scan control for light beam position indicator |
US4794248A (en) | 1985-07-16 | 1988-12-27 | Otis Elevator Company | Detection device having energy transmitters located at vertically spaced apart points along movable doors |
US4467193A (en) | 1981-09-14 | 1984-08-21 | Carroll Manufacturing Corporation | Parabolic light emitter and detector unit |
US4459476A (en) | 1982-01-19 | 1984-07-10 | Zenith Radio Corporation | Co-ordinate detection system |
US4498001A (en) | 1982-07-26 | 1985-02-05 | At&T Bell Laboratories | Transimpedance amplifier for optical receivers |
GB2133537B (en) | 1982-12-16 | 1986-07-09 | Glyben Automation Limited | Position detector system |
US4591710A (en) | 1983-07-11 | 1986-05-27 | Electro Mechanical Systems, Inc. | Ambient light and electromagnetic noise reduction circuit |
US4943806A (en) | 1984-06-18 | 1990-07-24 | Carroll Touch Inc. | Touch input device having digital ambient light sampling |
US4761637A (en) | 1984-06-18 | 1988-08-02 | Carroll Touch Inc. | Touch input device |
US4672364A (en) | 1984-06-18 | 1987-06-09 | Carroll Touch Inc | Touch input device having power profiling |
US4703316A (en) | 1984-10-18 | 1987-10-27 | Tektronix, Inc. | Touch panel input apparatus |
US4645920A (en) | 1984-10-31 | 1987-02-24 | Carroll Touch, Inc. | Early fault detection in an opto-matrix touch input device |
JPH0325220Y2 (zh) | 1985-02-15 | 1991-05-31 | ||
KR900005225B1 (ko) | 1985-07-09 | 1990-07-21 | 알프스덴기 가부시기 가이샤 | 광학식 좌표입력장치 |
US4713534A (en) | 1986-02-18 | 1987-12-15 | Carroll Touch Inc. | Phototransistor apparatus with current injection ambient compensation |
US4799044A (en) | 1986-02-18 | 1989-01-17 | Amp Incorporated | Phototransistor apparatus with current injection ambient compensation |
US4684801A (en) | 1986-02-28 | 1987-08-04 | Carroll Touch Inc. | Signal preconditioning for touch entry device |
US4745770A (en) * | 1986-11-17 | 1988-05-24 | Shaker Tinning & Heating Co. | Heater/cooler unit |
US4893120A (en) | 1986-11-26 | 1990-01-09 | Digital Electronics Corporation | Touch panel using modulated light |
JPS63172325A (ja) | 1987-01-10 | 1988-07-16 | Pioneer Electronic Corp | タツチパネル制御装置 |
GB8702302D0 (en) | 1987-02-02 | 1987-03-11 | Parks J R | Capturing information in drawing & writing |
US4746770A (en) * | 1987-02-17 | 1988-05-24 | Sensor Frame Incorporated | Method and apparatus for isolating and manipulating graphic objects on computer video monitor |
US4818859A (en) | 1987-06-01 | 1989-04-04 | Carroll Touch Inc. | Low profile opto-device assembly with specific optoelectronic lead mount |
US4855590A (en) | 1987-06-25 | 1989-08-08 | Amp Incorporated | Infrared touch input device having ambient compensation |
US4847606A (en) | 1987-08-25 | 1989-07-11 | Oak Industries Inc. | Control and display system |
US4990901A (en) | 1987-08-25 | 1991-02-05 | Technomarket, Inc. | Liquid crystal display touch screen having electronics on one side |
JPH01314324A (ja) | 1988-06-14 | 1989-12-19 | Sony Corp | タッチパネル装置 |
EP0349694B1 (en) | 1988-07-05 | 1992-09-30 | Wako Corporation | A detecting apparatus |
US4988983A (en) | 1988-09-02 | 1991-01-29 | Carroll Touch, Incorporated | Touch entry system with ambient compensation and programmable amplification |
US5136156A (en) | 1988-11-01 | 1992-08-04 | Mitsubishi Denki Kabushiki Kaisha | Photoelectric switch |
FI85543C (fi) | 1989-11-03 | 1992-04-27 | Marttila Heikki Oy | Kopplingskrets foer kontaktdisplaypanel. |
GB9108226D0 (en) | 1991-04-17 | 1991-06-05 | Philips Electronic Associated | Optical touch input device |
US5355149A (en) | 1992-05-27 | 1994-10-11 | Spacelabs Medical, Inc. | Scanning system for touch screen keyboards |
EP0601651A1 (en) * | 1992-12-10 | 1994-06-15 | Koninklijke Philips Electronics N.V. | Optical touch tablet based on sector cross bearing |
JPH07230352A (ja) * | 1993-09-16 | 1995-08-29 | Hitachi Ltd | タッチ位置検出装置及びタッチ指示処理装置 |
JPH08147091A (ja) * | 1994-11-22 | 1996-06-07 | Fujitsu Ltd | 複数点入力タッチパネルとその座標演算方法 |
US5635724A (en) * | 1995-06-07 | 1997-06-03 | Intecolor | Method and apparatus for detecting the location of an object on a surface |
US5714909A (en) | 1996-06-14 | 1998-02-03 | Sigmatel, Inc. | Transimpedance amplifier and method for constructing same |
US8479122B2 (en) * | 2004-07-30 | 2013-07-02 | Apple Inc. | Gestures for touch sensitive input devices |
US6972753B1 (en) | 1998-10-02 | 2005-12-06 | Semiconductor Energy Laboratory Co., Ltd. | Touch panel, display device provided with touch panel and electronic equipment provided with display device |
US6597348B1 (en) | 1998-12-28 | 2003-07-22 | Semiconductor Energy Laboratory Co., Ltd. | Information-processing device |
US6556149B1 (en) | 1999-03-01 | 2003-04-29 | Canpolar East Inc. | Switches and joysticks using a non-electrical deformable pressure sensor |
JP2000284899A (ja) * | 1999-03-31 | 2000-10-13 | Fujitsu General Ltd | タッチパネルの多点操作補正装置 |
WO2001040922A2 (en) | 1999-12-02 | 2001-06-07 | Elo Touchsystems, Inc. | Apparatus and method to improve resolution of infrared touch systems |
US6495832B1 (en) | 2000-03-15 | 2002-12-17 | Touch Controls, Inc. | Photoelectric sensing array apparatus and method of using same |
US6690363B2 (en) * | 2000-06-19 | 2004-02-10 | Next Holdings Limited | Touch panel display system |
US6703999B1 (en) * | 2000-11-13 | 2004-03-09 | Toyota Jidosha Kabushiki Kaisha | System for computer user interface |
US6765193B2 (en) | 2001-08-21 | 2004-07-20 | National Science And Technology Development Agency | Optical touch switch structures |
SE0103835L (sv) | 2001-11-02 | 2003-05-03 | Neonode Ab | Pekskärm realiserad av displayenhet med ljussändande och ljusmottagande enheter |
EP1493124B1 (en) | 2002-03-13 | 2006-07-26 | O-Pen ApS | A touch pad and a method of operating the touch pad |
US6803825B2 (en) | 2002-04-09 | 2004-10-12 | Microsemi Corporation | Pseudo-differential transimpedance amplifier |
JP2003330603A (ja) * | 2002-05-13 | 2003-11-21 | Ricoh Co Ltd | 座標検出装置、座標検出方法、その方法をコンピュータに実行させる座標検出プログラムおよび座標検出プログラムを記録した記録媒体 |
JP4160810B2 (ja) * | 2002-10-02 | 2008-10-08 | リコーエレメックス株式会社 | 座標検知装置 |
US7435940B2 (en) | 2003-03-12 | 2008-10-14 | Flatfrog Laboratories Ab | System and a method of determining the position of a radiation emitting element |
US7432893B2 (en) | 2003-06-14 | 2008-10-07 | Massachusetts Institute Of Technology | Input device based on frustrated total internal reflection |
EP1665024B1 (en) | 2003-09-12 | 2011-06-29 | FlatFrog Laboratories AB | A system and method of determining a position of a radiation scattering/reflecting element |
WO2005026930A2 (en) | 2003-09-12 | 2005-03-24 | O-Pen Aps | A system and method of determining a position of a radiation emitting element |
US7265748B2 (en) | 2003-12-11 | 2007-09-04 | Nokia Corporation | Method and device for detecting touch pad input |
US7355593B2 (en) | 2004-01-02 | 2008-04-08 | Smart Technologies, Inc. | Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region |
US7310090B2 (en) | 2004-03-25 | 2007-12-18 | Avago Technologies Ecbm Ip (Singapore) Pte Ltd. | Optical generic switch panel |
US7538759B2 (en) | 2004-05-07 | 2009-05-26 | Next Holdings Limited | Touch panel display system with illumination and detection provided from a single edge |
US7385170B1 (en) | 2004-08-24 | 2008-06-10 | Semiconductor Components Industries, Llc | Ambient light suppression circuit for photodiode receiver applications |
US8599140B2 (en) | 2004-11-17 | 2013-12-03 | International Business Machines Corporation | Providing a frustrated total internal reflection touch interface |
EP1859339A2 (en) * | 2005-03-10 | 2007-11-28 | Koninklijke Philips Electronics N.V. | System and method for detecting the location, size and shape of multiple objects that interact with a touch screen display |
US7705835B2 (en) | 2005-03-28 | 2010-04-27 | Adam Eikman | Photonic touch screen apparatus and method of use |
US20060256090A1 (en) * | 2005-05-12 | 2006-11-16 | Apple Computer, Inc. | Mechanical overlay |
EP1907918A2 (en) | 2005-07-05 | 2008-04-09 | O-Pen ApS | A touch pad system |
JP4564904B2 (ja) * | 2005-08-29 | 2010-10-20 | パイオニア株式会社 | 座標位置検出装置及びその制御方法、制御プログラム |
US7295329B2 (en) | 2005-09-08 | 2007-11-13 | Avago Technologies Ecbu Ip (Singapore) Pte Ltd | Position detection system |
US8013845B2 (en) | 2005-12-30 | 2011-09-06 | Flatfrog Laboratories Ab | Optical touch pad with multilayer waveguide |
US20070165008A1 (en) | 2006-01-17 | 2007-07-19 | International Business Machines Corporation | Compact infrared touch screen apparatus |
US8218154B2 (en) | 2006-03-30 | 2012-07-10 | Flatfrog Laboratories Ab | System and a method of determining a position of a scattering/reflecting element on the surface of a radiation transmissive element |
US8094136B2 (en) | 2006-07-06 | 2012-01-10 | Flatfrog Laboratories Ab | Optical touchpad with three-dimensional position determination |
US8031186B2 (en) | 2006-07-06 | 2011-10-04 | Flatfrog Laboratories Ab | Optical touchpad system and waveguide for use therein |
CN101517521B (zh) * | 2006-09-13 | 2012-08-15 | 皇家飞利浦电子股份有限公司 | 确定对象的取向和/或识别和/或标识对象的系统及对象 |
US9063617B2 (en) | 2006-10-16 | 2015-06-23 | Flatfrog Laboratories Ab | Interactive display system, tool for use with the system, and tool management apparatus |
US8072429B2 (en) * | 2006-12-22 | 2011-12-06 | Cypress Semiconductor Corporation | Multi-axial touch-sensor device with multi-touch resolution |
US7889184B2 (en) * | 2007-01-05 | 2011-02-15 | Apple Inc. | Method, system and graphical user interface for displaying hyperlink information |
US20080189046A1 (en) | 2007-02-02 | 2008-08-07 | O-Pen A/S | Optical tool with dynamic electromagnetic radiation and a system and method for determining the position and/or motion of an optical tool |
US7468785B2 (en) * | 2007-02-14 | 2008-12-23 | Lumio Inc | Enhanced triangulation |
WO2008138046A1 (en) * | 2007-05-11 | 2008-11-20 | Rpo Pty Limited | Double touch inputs |
JP4342572B2 (ja) * | 2007-05-21 | 2009-10-14 | 株式会社リコー | 情報入出力装置、情報入出力制御方法、記録媒体およびプログラム |
CN101075168B (zh) * | 2007-06-22 | 2014-04-02 | 北京汇冠新技术股份有限公司 | 一种识别红外触摸屏上多个触摸点的方法 |
CN101149656A (zh) * | 2007-10-26 | 2008-03-26 | 广东威创视讯科技股份有限公司 | 一种红外线触摸屏及多点触摸定位方法 |
CN100527066C (zh) * | 2007-06-15 | 2009-08-12 | 广东威创视讯科技股份有限公司 | 一种红外线触摸屏及其多点触摸定位方法 |
CN100485595C (zh) | 2007-07-25 | 2009-05-06 | 广东威创视讯科技股份有限公司 | 一种触摸屏装置与多点触摸定位方法 |
TWI339808B (en) | 2007-09-07 | 2011-04-01 | Quanta Comp Inc | Method and system for distinguishing multiple touch points |
US8716614B2 (en) | 2007-10-10 | 2014-05-06 | Flatfrog Laboratories Ab | Touch pad and a method of operating the touch pad |
TW201013492A (en) * | 2008-06-23 | 2010-04-01 | Flatfrog Lab Ab | Determining the location of one or more objects on a touch surface |
TW201005606A (en) * | 2008-06-23 | 2010-02-01 | Flatfrog Lab Ab | Detecting the locations of a plurality of objects on a touch surface |
TW201007530A (en) * | 2008-06-23 | 2010-02-16 | Flatfrog Lab Ab | Detecting the location of an object on a touch surface |
EP2318903A2 (en) | 2008-06-23 | 2011-05-11 | FlatFrog Laboratories AB | Detecting the location of an object on a touch surface |
US9063615B2 (en) * | 2008-08-07 | 2015-06-23 | Rapt Ip Limited | Detecting multitouch events in an optical touch-sensitive device using line images |
WO2010015408A1 (en) * | 2008-08-07 | 2010-02-11 | Owen Drumm | Method and apparatus for detecting a multitouch event in an optical touch-sensitive device |
TWI387914B (zh) * | 2008-08-13 | 2013-03-01 | Au Optronics Corp | 投影式電容觸控裝置、及識別不同接觸位置之方法 |
TWI378376B (en) * | 2008-09-23 | 2012-12-01 | Au Optronics Corp | Multi-touch positioning method for capacitive touch panel |
BRPI0822787B1 (pt) | 2008-09-26 | 2019-06-04 | Hewlett-Packard Development Company, L.P. | Sistema e método para determinar um ponto de toque em tela sensível ao toque |
KR101009278B1 (ko) * | 2008-10-02 | 2011-01-18 | 한국과학기술연구원 | 광 인식 사용자 입력 장치 및 사용자 입력 인식 방법 |
SE533704C2 (sv) * | 2008-12-05 | 2010-12-07 | Flatfrog Lab Ab | Pekkänslig apparat och förfarande för drivning av densamma |
US8619056B2 (en) * | 2009-01-07 | 2013-12-31 | Elan Microelectronics Corp. | Ghost resolution for a capacitive touch panel |
JP5157025B2 (ja) * | 2009-01-20 | 2013-03-06 | 日東電工株式会社 | 光学式座標入力装置 |
KR101352319B1 (ko) * | 2009-02-20 | 2014-01-16 | 엘지디스플레이 주식회사 | 터치위치 검출 방법 및 장치와 이를 이용한 평판표시장치 |
TWI399677B (zh) * | 2009-03-31 | 2013-06-21 | Arima Lasers Corp | 光學偵測裝置及其方法 |
CN102656547A (zh) | 2009-10-19 | 2012-09-05 | 平蛙实验室股份公司 | 确定一个或多个物体在触摸表面上的触摸数据 |
-
2009
- 2009-08-07 WO PCT/EP2009/005736 patent/WO2010015408A1/en active Application Filing
- 2009-08-07 KR KR1020117005406A patent/KR101593574B1/ko active IP Right Grant
- 2009-08-07 EP EP09777732.0A patent/EP2338104B1/en active Active
- 2009-08-07 JP JP2011521484A patent/JP5378519B2/ja active Active
- 2009-08-07 CN CN200980139612.6A patent/CN102171637B/zh active Active
- 2009-08-07 US US13/059,817 patent/US8350831B2/en active Active
-
2012
- 2012-11-29 US US13/689,444 patent/US8723839B2/en active Active
- 2012-11-29 US US13/689,456 patent/US8723840B2/en active Active
-
2014
- 2014-03-21 US US14/221,564 patent/US9335864B2/en active Active
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10795506B2 (en) | 2008-08-07 | 2020-10-06 | Rapt Ip Limited | Detecting multitouch events in an optical touch- sensitive device using touch event templates |
CN107329634A (zh) * | 2012-04-30 | 2017-11-07 | 拉普特知识产权公司 | 光学触敏装置中用触摸事件模板检测多触摸事件 |
CN107329634B (zh) * | 2012-04-30 | 2021-03-16 | 拉普特知识产权公司 | 光学触敏装置中用触摸事件模板检测多触摸事件 |
CN104813263A (zh) * | 2012-07-24 | 2015-07-29 | 拉普特知识产权公司 | 用于光触敏装置的增强光学波导 |
US10481735B2 (en) | 2012-07-24 | 2019-11-19 | Rapt Ip Limited | Augmented optical waveguide for use in an optical touch sensitive device |
CN104813263B (zh) * | 2012-07-24 | 2018-01-09 | 拉普特知识产权公司 | 用于光触敏装置的增强光学波导 |
US9836166B2 (en) | 2012-07-24 | 2017-12-05 | Rapt Ip Limited | Augmented optical waveguide for use in an optical touch sensitive device |
CN103123555B (zh) * | 2013-02-19 | 2016-12-28 | 创维光电科技(深圳)有限公司 | 一种基于红外触摸屏的图形识别方法、装置及红外触摸屏 |
CN103123555A (zh) * | 2013-02-19 | 2013-05-29 | 创维光电科技(深圳)有限公司 | 一种基于红外触摸屏的图形识别方法、装置及红外触摸屏 |
CN104216571A (zh) * | 2013-05-31 | 2014-12-17 | 上海精研电子科技有限公司 | 一种触摸屏、触摸识别方法及装置 |
CN104423724A (zh) * | 2013-09-06 | 2015-03-18 | 联想(北京)有限公司 | 触控位置确定方法、装置、电路、pcb板及电子设备 |
CN104423724B (zh) * | 2013-09-06 | 2019-07-26 | 联想(北京)有限公司 | 触控位置确定方法、装置、电路、pcb板及电子设备 |
CN105843455B (zh) * | 2014-12-29 | 2018-08-21 | 纬创资通股份有限公司 | 影像感测阵列的有效像素的设定方法 |
CN105843455A (zh) * | 2014-12-29 | 2016-08-10 | 纬创资通股份有限公司 | 影像感测阵列的有效像素的设定方法 |
CN107209609A (zh) * | 2015-02-09 | 2017-09-26 | 平蛙实验室股份公司 | 包括在传输面板上方和内部投射和检测光束的装置的光学触摸系统 |
CN106569642A (zh) * | 2015-10-13 | 2017-04-19 | 鸿合科技有限公司 | 一种触摸点识别方法和系统 |
CN106569642B (zh) * | 2015-10-13 | 2020-10-02 | 鸿合科技股份有限公司 | 一种触摸点识别方法和系统 |
CN106649147A (zh) * | 2015-10-30 | 2017-05-10 | 三星电子株式会社 | 用于存储事件信号和图像的存储方法和存储设备 |
CN106569643A (zh) * | 2016-10-27 | 2017-04-19 | 青岛海信电器股份有限公司 | 一种红外触摸屏触控点定位的方法及装置 |
TWI827604B (zh) * | 2018-05-18 | 2024-01-01 | 加拿大商1004335安大略有限公司 | 光學觸控感測器裝置與系統及其偵測器與控制器 |
CN109828685B (zh) * | 2018-12-18 | 2020-12-15 | 深圳市德明利技术股份有限公司 | 一种触摸屏带水与诡点的区分方法、触摸屏及移动终端 |
CN109828685A (zh) * | 2018-12-18 | 2019-05-31 | 深圳市德名利电子有限公司 | 一种触摸屏带水与诡点的区分方法、触摸屏及移动终端 |
Also Published As
Publication number | Publication date |
---|---|
WO2010015408A1 (en) | 2010-02-11 |
EP2338104A1 (en) | 2011-06-29 |
US9335864B2 (en) | 2016-05-10 |
CN102171637B (zh) | 2015-08-12 |
US8350831B2 (en) | 2013-01-08 |
JP2011530123A (ja) | 2011-12-15 |
US8723840B2 (en) | 2014-05-13 |
JP5378519B2 (ja) | 2013-12-25 |
US20130127789A1 (en) | 2013-05-23 |
US20110157096A1 (en) | 2011-06-30 |
US20140210792A1 (en) | 2014-07-31 |
US8723839B2 (en) | 2014-05-13 |
EP2338104B1 (en) | 2018-06-06 |
US20130127788A1 (en) | 2013-05-23 |
KR20110057146A (ko) | 2011-05-31 |
KR101593574B1 (ko) | 2016-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102171637B (zh) | 用于检测光学触摸敏感装置中的多触摸事件的方法和设备 | |
US11016605B2 (en) | Pen differentiation for touch displays | |
US7432893B2 (en) | Input device based on frustrated total internal reflection | |
CN102597936B (zh) | 具备补偿信号轮廓的触摸表面 | |
CN103576994B (zh) | 在输入触摸面板上使用传感模块确定真正触点的方法及系统 | |
CN107111442A (zh) | 使用光学触敏设备的器械检测 | |
CN100397311C (zh) | 坐标输入装置及其控制方法 | |
CN103092419A (zh) | 用于检测多个触摸的触摸屏 | |
CN102656547A (zh) | 确定一个或多个物体在触摸表面上的触摸数据 | |
CN102782616A (zh) | 用于检测和跟踪触摸对象的方法 | |
CN101930306A (zh) | 一种多点触控装置及检测方法 | |
CN104598082A (zh) | 一种确定候选触摸点的方法及装置 | |
JP4498082B2 (ja) | 光学分析装置およびその粒子カウント方法 | |
EP2165249A1 (en) | Method of processing data generated by a user input device for indicating positions | |
CN105308548A (zh) | 光学触摸屏 | |
CN102789341A (zh) | 一种红外激光触摸装置及触摸检测方法 | |
US8593435B2 (en) | Optical touch apparatus with high resolution and method of operating the same | |
CN101501764B (zh) | 信息载体和用于读取这种信息载体的系统 | |
JP3208577U (ja) | 移動プラットフォームおよびそのセンサモジュール | |
CN109597524A (zh) | 触摸检测方法、触摸检测装置及触控显示装置 | |
US20240329780A1 (en) | Location sensing method, location sensing device, and input terminal apparatus | |
US20160123721A1 (en) | Device and method for detecting position of object | |
CN114089871A (zh) | 一种红外触摸屏多点触摸寻轨方法、系统 | |
CN115904130A (zh) | 光学触控模组、光学触控方法和触控终端 | |
KR20110014489A (ko) | 터치 검출 장치 및 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: LAPUTE INTELLECTUAL PROPERTY CORP. Free format text: FORMER OWNER: OWEN DRUMM Effective date: 20130821 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20130821 Address after: Malta MSIDA Applicant after: Lapute Intellectual Property Corp. Address before: Dublin Applicant before: Drumm Owen |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Gibraltar Wall Road Patentee after: Lapute Intellectual Property Corp. Address before: Malta MSIDA Patentee before: Lapute Intellectual Property Corp. |