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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English (en)
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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    • 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
    • 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
    • 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
    • G06F3/0418—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 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
    • 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)
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 2009-10-19
US61/272,667 2009-10-19
SE0950770-8 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 (enExample)
EP (1) EP2491479B1 (enExample)
JP (1) JP2013508804A (enExample)
KR (1) KR20120083916A (enExample)
CN (1) CN102648445A (enExample)
AU (1) AU2010308594A1 (enExample)
CA (1) CA2778153A1 (enExample)
IL (1) IL219030A0 (enExample)
RU (1) RU2012118595A (enExample)
WO (1) WO2011049511A1 (enExample)

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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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Also Published As

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

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Application publication date: 20120822