CN104169843B - 交互屏幕上的稀疏感测 - Google Patents

交互屏幕上的稀疏感测 Download PDF

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Publication number
CN104169843B
CN104169843B CN201380013927.2A CN201380013927A CN104169843B CN 104169843 B CN104169843 B CN 104169843B CN 201380013927 A CN201380013927 A CN 201380013927A CN 104169843 B CN104169843 B CN 104169843B
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China
Prior art keywords
sensors
sensor
capacitance
sense
activated
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Active
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CN201380013927.2A
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English (en)
Chinese (zh)
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CN104169843A (zh
Inventor
C·罗
M·A·博卡
A·J·雷德芬
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Texas Instruments Inc
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Texas Instruments Inc
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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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive 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
    • 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
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving

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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)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CN201380013927.2A 2012-03-28 2013-03-28 交互屏幕上的稀疏感测 Active CN104169843B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/432,576 US8692801B2 (en) 2012-03-28 2012-03-28 System and method for sparse touch sensing on capacitive touch screen
US13/432,576 2012-03-28
PCT/US2013/034387 WO2013149024A1 (en) 2012-03-28 2013-03-28 Sparse sensing on interactive screens

Publications (2)

Publication Number Publication Date
CN104169843A CN104169843A (zh) 2014-11-26
CN104169843B true CN104169843B (zh) 2017-02-01

Family

ID=49234255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380013927.2A Active CN104169843B (zh) 2012-03-28 2013-03-28 交互屏幕上的稀疏感测

Country Status (4)

Country Link
US (1) US8692801B2 (enExample)
JP (1) JP6158298B2 (enExample)
CN (1) CN104169843B (enExample)
WO (1) WO2013149024A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102313098B1 (ko) 2014-02-18 2021-10-14 케임브리지 터치 테크놀로지스 리미티드 포스 터치를 이용한 터치 스크린 전력 모드의 동적 스위칭
EP3146415B1 (en) * 2014-05-20 2019-06-26 Advanced Silicon SA Method, apparatus and computer program for localizing an active stylus on a capacitive touch device
GB2533667B (en) 2014-12-23 2017-07-19 Cambridge Touch Tech Ltd Pressure-sensitive touch panel
KR102615384B1 (ko) 2014-12-23 2023-12-19 케임브리지 터치 테크놀로지스 리미티드 압력감지 방식 터치 패널
US9524069B2 (en) * 2015-02-25 2016-12-20 Texas Instruments Incorporated Keypad with 1-bit capacitive touch sensing analog front end with sparse multi-touch detection
FR3035724A1 (fr) * 2015-04-28 2016-11-04 Commissariat Energie Atomique Capteur comprenant des pixels a detection capacitive
US10678367B1 (en) 2015-09-11 2020-06-09 Apple Inc. Compressive touch sensing
GB2544353B (en) 2015-12-23 2018-02-21 Cambridge Touch Tech Ltd Pressure-sensitive touch panel
US10282046B2 (en) 2015-12-23 2019-05-07 Cambridge Touch Technologies Ltd. Pressure-sensitive touch panel
CN106201314B (zh) * 2016-06-30 2019-03-19 成都东方闻道科技发展有限公司 一种在触控屏上实现手写输入的显示方法及显示装置
US11093088B2 (en) 2017-08-08 2021-08-17 Cambridge Touch Technologies Ltd. Device for processing signals from a pressure-sensing touch panel
GB2565305A (en) 2017-08-08 2019-02-13 Cambridge Touch Tech Ltd Device for processing signals from a pressure-sensing touch panel
CN110049435B (zh) * 2019-05-10 2024-02-20 中国矿业大学(北京) 基于压缩感知rss指纹库及超声波的井下定位方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7538766B2 (en) * 2005-06-08 2009-05-26 Microsoft Corporation Pre-computed shadow fields
CN102226883A (zh) * 2007-01-03 2011-10-26 苹果公司 触摸感测设备、方法及包括触摸感测设备的电子设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8542211B2 (en) * 2007-01-03 2013-09-24 Apple Inc. Projection scan multi-touch sensor array
WO2009133559A2 (en) 2008-04-30 2009-11-05 N-Trig Ltd. Multi-touch detection
TW201140400A (en) 2010-05-13 2011-11-16 Waltop Int Corp Scanning method for determining the touch position of touch input apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7538766B2 (en) * 2005-06-08 2009-05-26 Microsoft Corporation Pre-computed shadow fields
CN102226883A (zh) * 2007-01-03 2011-10-26 苹果公司 触摸感测设备、方法及包括触摸感测设备的电子设备

Also Published As

Publication number Publication date
JP6158298B2 (ja) 2017-07-05
CN104169843A (zh) 2014-11-26
US20130257783A1 (en) 2013-10-03
JP2015518208A (ja) 2015-06-25
US8692801B2 (en) 2014-04-08
WO2013149024A1 (en) 2013-10-03

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