TWI584179B - 多點觸控解碼之方法及系統 - Google Patents

多點觸控解碼之方法及系統 Download PDF

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Publication number
TWI584179B
TWI584179B TW102111326A TW102111326A TWI584179B TW I584179 B TWI584179 B TW I584179B TW 102111326 A TW102111326 A TW 102111326A TW 102111326 A TW102111326 A TW 102111326A TW I584179 B TWI584179 B TW I584179B
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TW
Taiwan
Prior art keywords
value
node
touch
mutual
current
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TW102111326A
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English (en)
Chinese (zh)
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TW201346689A (zh
Inventor
藍斯 拉蒙特
傑瑞 漢納爾
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微晶片科技公司
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Publication of TW201346689A publication Critical patent/TW201346689A/zh
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Publication of TWI584179B publication Critical patent/TWI584179B/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
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/04166Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G06F3/041662Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving using alternate mutual and self-capacitive scanning
    • 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
    • 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
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • 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
    • G06F2203/04104Multi-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

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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)
TW102111326A 2012-03-30 2013-03-29 多點觸控解碼之方法及系統 TWI584179B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261617831P 2012-03-30 2012-03-30
US13/830,891 US9207820B2 (en) 2012-03-30 2013-03-14 Method and system for multi-touch decoding

Publications (2)

Publication Number Publication Date
TW201346689A TW201346689A (zh) 2013-11-16
TWI584179B true TWI584179B (zh) 2017-05-21

Family

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Family Applications (1)

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TW102111326A TWI584179B (zh) 2012-03-30 2013-03-29 多點觸控解碼之方法及系統

Country Status (7)

Country Link
US (1) US9207820B2 (enExample)
EP (1) EP2831709B1 (enExample)
JP (1) JP6255381B2 (enExample)
KR (1) KR20140140628A (enExample)
CN (1) CN104303137B (enExample)
TW (1) TWI584179B (enExample)
WO (1) WO2013149164A2 (enExample)

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Also Published As

Publication number Publication date
TW201346689A (zh) 2013-11-16
US9207820B2 (en) 2015-12-08
EP2831709B1 (en) 2018-07-18
CN104303137B (zh) 2017-07-28
WO2013149164A3 (en) 2013-11-21
JP2015515685A (ja) 2015-05-28
EP2831709A2 (en) 2015-02-04
JP6255381B2 (ja) 2017-12-27
CN104303137A (zh) 2015-01-21
WO2013149164A2 (en) 2013-10-03
KR20140140628A (ko) 2014-12-09
US20130257799A1 (en) 2013-10-03

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