CN102648445A - 提取代表触摸表面上一个或多个物体的触摸数据 - Google Patents

提取代表触摸表面上一个或多个物体的触摸数据 Download PDF

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Publication number
CN102648445A
CN102648445A CN2010800468365A CN201080046836A CN102648445A CN 102648445 A CN102648445 A CN 102648445A CN 2010800468365 A CN2010800468365 A CN 2010800468365A CN 201080046836 A CN201080046836 A CN 201080046836A CN 102648445 A CN102648445 A CN 102648445A
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China
Prior art keywords
touch
light
detection line
basis function
collapsing field
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Pending
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CN2010800468365A
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Chinese (zh)
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托马斯·克里斯蒂安松
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FlatFrog Laboratories AB
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FlatFrog Laboratories AB
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Publication of CN102648445A publication Critical patent/CN102648445A/zh
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421Digitisers, 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/0418Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04186Touch location disambiguation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04109FTIR 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)
CN2010800468365A 2009-10-19 2010-10-13 提取代表触摸表面上一个或多个物体的触摸数据 Pending CN102648445A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US27266709P 2009-10-19 2009-10-19
SE0950770-8 2009-10-19
US61/272,667 2009-10-19
SE0950770 2009-10-19
PCT/SE2010/051103 WO2011049511A1 (en) 2009-10-19 2010-10-13 Extracting touch data that represents one or more objects on a touch surface

Publications (1)

Publication Number Publication Date
CN102648445A true CN102648445A (zh) 2012-08-22

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CN2010800468365A Pending CN102648445A (zh) 2009-10-19 2010-10-13 提取代表触摸表面上一个或多个物体的触摸数据

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Country Link
US (1) US9024916B2 (https=)
EP (1) EP2491479B1 (https=)
JP (1) JP2013508804A (https=)
KR (1) KR20120083916A (https=)
CN (1) CN102648445A (https=)
AU (1) AU2010308594A1 (https=)
CA (1) CA2778153A1 (https=)
IL (1) IL219030A0 (https=)
RU (1) RU2012118595A (https=)
WO (1) WO2011049511A1 (https=)

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CN102902422A (zh) * 2012-08-30 2013-01-30 深圳市印天印象科技有限公司 多点触摸系统及方法
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

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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

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US20120268403A1 (en) 2012-10-25
EP2491479A1 (en) 2012-08-29
EP2491479A4 (en) 2014-09-03
AU2010308594A1 (en) 2012-04-26
US9024916B2 (en) 2015-05-05
JP2013508804A (ja) 2013-03-07
IL219030A0 (en) 2012-06-28
KR20120083916A (ko) 2012-07-26
WO2011049511A1 (en) 2011-04-28
RU2012118595A (ru) 2013-11-27
CA2778153A1 (en) 2011-04-28
EP2491479B1 (en) 2018-10-03

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Application publication date: 20120822