TWI454994B - - Google Patents

Info

Publication number
TWI454994B
TWI454994B TW100110759A TW100110759A TWI454994B TW I454994 B TWI454994 B TW I454994B TW 100110759 A TW100110759 A TW 100110759A TW 100110759 A TW100110759 A TW 100110759A TW I454994 B TWI454994 B TW I454994B
Authority
TW
Taiwan
Application number
TW100110759A
Other versions
TW201239710A (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to TW100110759A priority Critical patent/TW201239710A/zh
Priority to US13/233,306 priority patent/US8558817B2/en
Publication of TW201239710A publication Critical patent/TW201239710A/zh
Application granted granted Critical
Publication of TWI454994B publication Critical patent/TWI454994B/zh

Links

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
    • G06F3/042—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
TW100110759A 2011-03-29 2011-03-29 Optical touch system TW201239710A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW100110759A TW201239710A (en) 2011-03-29 2011-03-29 Optical touch system
US13/233,306 US8558817B2 (en) 2011-03-29 2011-09-15 Optical touch-control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW100110759A TW201239710A (en) 2011-03-29 2011-03-29 Optical touch system

Publications (2)

Publication Number Publication Date
TW201239710A TW201239710A (en) 2012-10-01
TWI454994B true TWI454994B (zh) 2014-10-01

Family

ID=46926553

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100110759A TW201239710A (en) 2011-03-29 2011-03-29 Optical touch system

Country Status (2)

Country Link
US (1) US8558817B2 (zh)
TW (1) TW201239710A (zh)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE533704C2 (sv) 2008-12-05 2010-12-07 Flatfrog Lab Ab Pekkänslig apparat och förfarande för drivning av densamma
TWI424339B (zh) * 2009-11-04 2014-01-21 Coretronic Corp 光學觸控裝置與驅動方法
TWI511003B (zh) * 2011-12-05 2015-12-01 Wistron Corp 光學觸控裝置及其邊框
US10168835B2 (en) 2012-05-23 2019-01-01 Flatfrog Laboratories Ab Spatial resolution in touch displays
TWI484388B (zh) * 2012-10-24 2015-05-11 Pixart Imaging Inc 具有亮度補償的光學觸控系統及其亮度補償方法
WO2014098741A1 (en) * 2012-12-17 2014-06-26 Flatfrog Laboratories Ab Laminated optical element for touch-sensing systems
US10268319B2 (en) 2012-12-17 2019-04-23 Flatfrog Laboratories Ab Edge-coupled touch-sensitive apparatus
WO2014168567A1 (en) 2013-04-11 2014-10-16 Flatfrog Laboratories Ab Tomographic processing for touch detection
WO2015005847A1 (en) 2013-07-12 2015-01-15 Flatfrog Laboratories Ab Partial detect mode
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
CN104915065A (zh) * 2014-03-12 2015-09-16 原相科技股份有限公司 物件检测方法以及用于光学触控系统的校正装置
US9671886B2 (en) 2014-03-13 2017-06-06 Lg Display Co., Ltd. Touch-sensitive display device
US10161886B2 (en) 2014-06-27 2018-12-25 Flatfrog Laboratories Ab Detection of surface contamination
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
WO2016130074A1 (en) 2015-02-09 2016-08-18 Flatfrog Laboratories Ab Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
EP3265855A4 (en) 2015-03-02 2018-10-31 FlatFrog Laboratories AB Optical component for light coupling
EP4075246A1 (en) 2015-12-09 2022-10-19 FlatFrog Laboratories AB Stylus for optical touch system
US10761657B2 (en) 2016-11-24 2020-09-01 Flatfrog Laboratories Ab Automatic optimisation of touch signal
HUE059960T2 (hu) 2016-12-07 2023-01-28 Flatfrog Lab Ab Ívelt érintésérzékelõ eszköz
EP3458946B1 (en) 2017-02-06 2020-10-21 FlatFrog Laboratories AB Optical coupling in touch-sensing systems
WO2018174788A1 (en) 2017-03-22 2018-09-27 Flatfrog Laboratories Object characterisation for touch displays
EP3602259A4 (en) 2017-03-28 2021-01-20 FlatFrog Laboratories AB TOUCH DETECTION DEVICE AND ITS ASSEMBLY PROCESS
CN117311543A (zh) 2017-09-01 2023-12-29 平蛙实验室股份公司 触摸感测设备
US11567610B2 (en) 2018-03-05 2023-01-31 Flatfrog Laboratories Ab Detection line broadening
US11943563B2 (en) 2019-01-25 2024-03-26 FlatFrog Laboratories, AB Videoconferencing terminal and method of operating the same
EP4104042A1 (en) 2020-02-10 2022-12-21 FlatFrog Laboratories AB Improved touch-sensing apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100265215A1 (en) * 2009-04-21 2010-10-21 Hon Hai Precision Industry Co., Ltd. Touch panel display with light source modules and camera for touch point detection
TW201107807A (en) * 2009-08-19 2011-03-01 Pixart Imaging Inc Light guide module, optical touch module, and method of increasing signal to noise ratio of optical touch module
TW201108070A (en) * 2009-08-28 2011-03-01 Coretronic Corp Optical touch apparatus

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US4144449A (en) 1977-07-08 1979-03-13 Sperry Rand Corporation Position detection apparatus
US4507557A (en) 1983-04-01 1985-03-26 Siemens Corporate Research & Support, Inc. Non-contact X,Y digitizer using two dynamic ram imagers
US5196835A (en) 1988-09-30 1993-03-23 International Business Machines Corporation Laser touch panel reflective surface aberration cancelling
JP3920067B2 (ja) 2001-10-09 2007-05-30 株式会社イーアイティー 座標入力装置
US6972401B2 (en) 2003-01-30 2005-12-06 Smart Technologies Inc. Illuminated bezel and touch system incorporating the same
US7232986B2 (en) 2004-02-17 2007-06-19 Smart Technologies Inc. Apparatus for detecting a pointer within a region of interest

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100265215A1 (en) * 2009-04-21 2010-10-21 Hon Hai Precision Industry Co., Ltd. Touch panel display with light source modules and camera for touch point detection
TW201107807A (en) * 2009-08-19 2011-03-01 Pixart Imaging Inc Light guide module, optical touch module, and method of increasing signal to noise ratio of optical touch module
TW201108070A (en) * 2009-08-28 2011-03-01 Coretronic Corp Optical touch apparatus

Also Published As

Publication number Publication date
US20120249478A1 (en) 2012-10-04
TW201239710A (en) 2012-10-01
US8558817B2 (en) 2013-10-15

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees