CN110088717B - 经由切换元件的减少的电容性基线偏移 - Google Patents

经由切换元件的减少的电容性基线偏移 Download PDF

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Publication number
CN110088717B
CN110088717B CN201780081518.4A CN201780081518A CN110088717B CN 110088717 B CN110088717 B CN 110088717B CN 201780081518 A CN201780081518 A CN 201780081518A CN 110088717 B CN110088717 B CN 110088717B
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China
Prior art keywords
sensing
sensor electrodes
signal
capacitive
processing system
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Chinese (zh)
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CN110088717A (zh
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E.S.博安农
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Synaptic
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Synaptic
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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
    • G06F3/0446—Digitisers, 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
    • 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)
  • Electronic Switches (AREA)
  • Position Input By Displaying (AREA)
CN201780081518.4A 2017-01-03 2017-12-15 经由切换元件的减少的电容性基线偏移 Active CN110088717B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/397405 2017-01-03
US15/397,405 US10133435B2 (en) 2017-01-03 2017-01-03 Reduced capacitive baseline shift via switching elements
PCT/US2017/066607 WO2018128770A1 (en) 2017-01-03 2017-12-15 Reduced capacitive baseline shift via switching elements

Publications (2)

Publication Number Publication Date
CN110088717A CN110088717A (zh) 2019-08-02
CN110088717B true CN110088717B (zh) 2021-06-04

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CN201780081518.4A Active CN110088717B (zh) 2017-01-03 2017-12-15 经由切换元件的减少的电容性基线偏移

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Country Link
US (1) US10133435B2 (https=)
JP (1) JP7046077B2 (https=)
CN (1) CN110088717B (https=)
WO (1) WO2018128770A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10061415B2 (en) * 2016-06-30 2018-08-28 Synaptics Incorporated Input device receiver with delta-sigma modulator
KR102479079B1 (ko) * 2017-12-29 2022-12-19 엘지디스플레이 주식회사 터치표시장치, 터치구동회로 및 터치구동방법
US11119606B2 (en) * 2019-08-20 2021-09-14 Synaptics Incorporated Background capacitance compensation
US11397487B2 (en) * 2020-03-17 2022-07-26 Synaptics Incorporated Re-configurable receiver channels for a sensing device
KR20230083638A (ko) * 2021-12-03 2023-06-12 주식회사 엘엑스세미콘 터치 센싱 장치, 터치 디스플레이 장치 및 터치 디스플레이 장치의 동작 방법

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN101896825A (zh) * 2007-12-14 2010-11-24 赛普拉斯半导体公司 Tx-rx电容式传感器的补偿电路
US8766949B2 (en) * 2011-12-22 2014-07-01 Synaptics Incorporated Systems and methods for determining user input using simultaneous transmission from multiple electrodes

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US7532202B2 (en) 2002-05-08 2009-05-12 3M Innovative Properties Company Baselining techniques in force-based touch panel systems
US7031886B1 (en) * 2004-12-14 2006-04-18 Synaptics Incorporated Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency
US8144125B2 (en) 2006-03-30 2012-03-27 Cypress Semiconductor Corporation Apparatus and method for reducing average scan rate to detect a conductive object on a sensing device
US8803813B2 (en) 2006-05-10 2014-08-12 Cypress Semiconductor Corporation Sensing device
US9360967B2 (en) 2006-07-06 2016-06-07 Apple Inc. Mutual capacitance touch sensing device
US8040321B2 (en) 2006-07-10 2011-10-18 Cypress Semiconductor Corporation Touch-sensor with shared capacitive sensors
US7855718B2 (en) 2007-01-03 2010-12-21 Apple Inc. Multi-touch input discrimination
US8026904B2 (en) 2007-01-03 2011-09-27 Apple Inc. Periodic sensor panel baseline adjustment
WO2009063817A1 (ja) * 2007-11-12 2009-05-22 Mitsubishi Electric Corporation タッチパネル及びそれを備えた表示装置
US8922521B2 (en) * 2009-02-02 2014-12-30 Apple Inc. Switching circuitry for touch sensitive display
US8269511B2 (en) 2009-09-08 2012-09-18 Synaptics Incorporated Sensing and defining an input object
US9036650B2 (en) * 2009-09-11 2015-05-19 Apple Inc. Automatic low noise frequency selection
EP2539798B1 (en) * 2010-02-26 2021-04-14 Synaptics Incorporated Varying demodulation to avoid interference
US9317158B2 (en) 2011-03-08 2016-04-19 Synaptics Incorporated Baseline management for input devices
US8988086B1 (en) 2011-08-10 2015-03-24 Cypress Semiconductor Corporation Capacitive sensor array with pattern variation
JP6043679B2 (ja) * 2012-08-01 2016-12-14 アルプス電気株式会社 静電容量検出回路及び入力デバイス
US9442598B2 (en) 2013-02-08 2016-09-13 Synaptics Incorporated Detecting interference in an input device having electrodes
US9405415B2 (en) 2013-10-01 2016-08-02 Synaptics Incorporated Targeted transcapacitance sensing for a matrix sensor
US9746961B2 (en) 2014-12-19 2017-08-29 Apex Material Technology Corp. Background signal processing system and background signal processing method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101896825A (zh) * 2007-12-14 2010-11-24 赛普拉斯半导体公司 Tx-rx电容式传感器的补偿电路
US8766949B2 (en) * 2011-12-22 2014-07-01 Synaptics Incorporated Systems and methods for determining user input using simultaneous transmission from multiple electrodes

Also Published As

Publication number Publication date
CN110088717A (zh) 2019-08-02
JP2020510897A (ja) 2020-04-09
JP7046077B2 (ja) 2022-04-01
US10133435B2 (en) 2018-11-20
US20180188845A1 (en) 2018-07-05
WO2018128770A1 (en) 2018-07-12

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