CN107329634B - 光学触敏装置中用触摸事件模板检测多触摸事件 - Google Patents

光学触敏装置中用触摸事件模板检测多触摸事件 Download PDF

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Publication number
CN107329634B
CN107329634B CN201710700031.1A CN201710700031A CN107329634B CN 107329634 B CN107329634 B CN 107329634B CN 201710700031 A CN201710700031 A CN 201710700031A CN 107329634 B CN107329634 B CN 107329634B
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China
Prior art keywords
touch event
beams
touch
template
emitter
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CN201710700031.1A
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Chinese (zh)
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CN107329634A (zh
Inventor
O·德拉姆
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Laput Intellectual Property
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Laput Intellectual Property
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Priority claimed from US13/460,704 external-priority patent/US9063615B2/en
Priority claimed from US13/460,703 external-priority patent/US9092092B2/en
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Publication of CN107329634A publication Critical patent/CN107329634A/zh
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    • 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
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic 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
    • G06F3/042—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 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
    • 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
    • G06F2203/04109—FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location

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  • 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)
  • Switches Operated By Changes In Physical Conditions (AREA)
CN201710700031.1A 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件 Active CN107329634B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US13/460,704 US9063615B2 (en) 2008-08-07 2012-04-30 Detecting multitouch events in an optical touch-sensitive device using line images
US13/460,709 2012-04-30
US13/460,703 US9092092B2 (en) 2008-08-07 2012-04-30 Detecting multitouch events in an optical touch-sensitive device using touch event templates
US13/460,704 2012-04-30
US13/460,709 US8531435B2 (en) 2008-08-07 2012-04-30 Detecting multitouch events in an optical touch-sensitive device by combining beam information
US13/460,703 2012-04-30
CN201380022633.6A CN104641329B (zh) 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件

Related Parent Applications (1)

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CN201380022633.6A Division CN104641329B (zh) 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件

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CN107329634A CN107329634A (zh) 2017-11-07
CN107329634B true CN107329634B (zh) 2021-03-16

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CN201710700031.1A Active CN107329634B (zh) 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件
CN202010241720.2A Pending CN111443832A (zh) 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件
CN201380022633.6A Active CN104641329B (zh) 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件

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CN202010241720.2A Pending CN111443832A (zh) 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件
CN201380022633.6A Active CN104641329B (zh) 2012-04-30 2013-04-30 光学触敏装置中用触摸事件模板检测多触摸事件

Country Status (5)

Country Link
EP (1) EP2845082B1 (enExample)
JP (1) JP6216776B2 (enExample)
KR (3) KR102053346B1 (enExample)
CN (3) CN107329634B (enExample)
WO (1) WO2014027241A2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2017203355A1 (en) * 2016-05-23 2017-11-30 Rapt Ip Limited Instrument detection with an optical touch sensitive device, with associating contacts with active instruments
CN110300950B (zh) 2017-02-06 2023-06-16 平蛙实验室股份公司 触摸感测系统中的光学耦合
CN111052058B (zh) 2017-09-01 2023-10-20 平蛙实验室股份公司 改进的光学部件
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
WO2020080992A1 (en) 2018-10-20 2020-04-23 Flatfrog Laboratories Ab Frame for a touch-sensitive device and tool therefor
CN110515482B (zh) * 2019-07-05 2023-08-15 湖州佳格电子科技股份有限公司 基于表面形变的红外触摸屏压力感应方法
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
US12282653B2 (en) 2020-02-08 2025-04-22 Flatfrog Laboratories Ab Touch apparatus with low latency interactions

Citations (3)

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WO2010036262A1 (en) * 2008-09-26 2010-04-01 Hewlett-Packard Development Company, L.P. Determining touch locations using disturbed light
CN102171637A (zh) * 2008-08-07 2011-08-31 O·德拉姆 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
CN102231093A (zh) * 2011-06-14 2011-11-02 伍斌 一种屏幕定位控制方法及装置

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US6690363B2 (en) * 2000-06-19 2004-02-10 Next Holdings Limited Touch panel display system
US7262764B2 (en) * 2002-10-31 2007-08-28 Microsoft Corporation Universal computing device for surface applications
US20090135162A1 (en) * 2005-03-10 2009-05-28 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
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
KR20100121512A (ko) * 2008-02-11 2010-11-17 넥스트 홀딩즈 리미티드 광학 터치스크린용 멀티 터치 시나리오를 해결하는 시스템 및 방법
TW201005606A (en) * 2008-06-23 2010-02-01 Flatfrog Lab Ab Detecting the locations of a plurality of objects on a touch surface
US8659556B2 (en) * 2008-09-10 2014-02-25 Apple Inc. Advanced receive channel architecture
FI121862B (fi) * 2008-10-24 2011-05-13 Valtion Teknillinen Järjestely kosketusnäyttöä varten ja vastaava valmistusmenetelmä
SE533704C2 (sv) * 2008-12-05 2010-12-07 Flatfrog Lab Ab Pekkänslig apparat och förfarande för drivning av densamma
TWI524238B (zh) * 2009-03-31 2016-03-01 萬國商業機器公司 多觸點光學接觸面板
US20100289755A1 (en) * 2009-05-15 2010-11-18 Honh Kong Applied Science and Technology Research Institute Co., Ltd. Touch-Sensing Liquid Crystal Display
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102171637A (zh) * 2008-08-07 2011-08-31 O·德拉姆 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
WO2010036262A1 (en) * 2008-09-26 2010-04-01 Hewlett-Packard Development Company, L.P. Determining touch locations using disturbed light
CN102231093A (zh) * 2011-06-14 2011-11-02 伍斌 一种屏幕定位控制方法及装置

Also Published As

Publication number Publication date
CN111443832A (zh) 2020-07-24
JP6216776B2 (ja) 2017-10-18
KR101910607B1 (ko) 2018-10-23
EP2845082A2 (en) 2015-03-11
KR20180115367A (ko) 2018-10-22
EP2845082B1 (en) 2021-10-06
CN107329634A (zh) 2017-11-07
KR101980872B1 (ko) 2019-05-21
KR102053346B1 (ko) 2020-01-08
WO2014027241A2 (en) 2014-02-20
JP2015519649A (ja) 2015-07-09
CN104641329B (zh) 2017-09-08
KR20150056749A (ko) 2015-05-27
CN104641329A (zh) 2015-05-20
WO2014027241A3 (en) 2014-09-12
KR20190055275A (ko) 2019-05-22

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