CN102576269B - 电容式触摸传感装置配置系统及方法 - Google Patents

电容式触摸传感装置配置系统及方法 Download PDF

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Publication number
CN102576269B
CN102576269B CN201080043119.7A CN201080043119A CN102576269B CN 102576269 B CN102576269 B CN 102576269B CN 201080043119 A CN201080043119 A CN 201080043119A CN 102576269 B CN102576269 B CN 102576269B
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China
Prior art keywords
charging
electrode
interval
current
capacitive touch
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CN201080043119.7A
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English (en)
Chinese (zh)
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CN102576269A (zh
Inventor
B·T·奥索伊纳克
甫子良
伊藤俊昭
森下克明
四方英司
田中启司
C·R·蒂加登
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NXP USA Inc
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Freescale Semiconductor Inc
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Publication of CN102576269A publication Critical patent/CN102576269A/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
    • G06F3/044—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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/9401—Calibration techniques

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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)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
CN201080043119.7A 2009-09-30 2010-08-16 电容式触摸传感装置配置系统及方法 Active CN102576269B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/570,829 US8481873B2 (en) 2009-09-30 2009-09-30 Capacitive touch sensor device configuration systems and methods
US12/570,829 2009-09-30
PCT/US2010/045583 WO2011041031A2 (en) 2009-09-30 2010-08-16 Capacitive touch sensor device configuration systems and methods

Publications (2)

Publication Number Publication Date
CN102576269A CN102576269A (zh) 2012-07-11
CN102576269B true CN102576269B (zh) 2015-07-22

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CN201080043119.7A Active CN102576269B (zh) 2009-09-30 2010-08-16 电容式触摸传感装置配置系统及方法

Country Status (5)

Country Link
US (1) US8481873B2 (https=)
EP (1) EP2483765A2 (https=)
JP (1) JP5669850B2 (https=)
CN (1) CN102576269B (https=)
WO (1) WO2011041031A2 (https=)

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US9013425B2 (en) * 2012-02-23 2015-04-21 Cypress Semiconductor Corporation Method and apparatus for data transmission via capacitance sensing device
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US20140267143A1 (en) * 2013-03-15 2014-09-18 Synaptics Incorporated System and method for a transcapacitive proximity sensing device
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CN103455228B (zh) * 2013-08-30 2016-10-19 珠海中慧微电子有限公司 自动计算感应点及电容触摸屏激励电压加载时间的方法
US10124823B2 (en) * 2014-05-22 2018-11-13 Joyson Safety Systems Acquisition Llc Systems and methods for shielding a hand sensor system in a steering wheel
US10055045B2 (en) 2014-05-31 2018-08-21 Synaptics Incorporated Current feedback digital charge accumulator
US10114513B2 (en) 2014-06-02 2018-10-30 Joyson Safety Systems Acquisition Llc Systems and methods for printing sensor circuits on a sensor mat for a steering wheel
US9582111B2 (en) 2014-10-31 2017-02-28 Semtech Corporation Method and device for improved accuracy of proximity and touch detection in mobile devices
KR101788853B1 (ko) * 2014-12-31 2017-10-20 엘지디스플레이 주식회사 표시장치 및 그 구동방법
KR102417266B1 (ko) * 2015-01-27 2022-07-05 삼성디스플레이 주식회사 표시 장치 및 그 접촉 감지 방법
JP2016208342A (ja) * 2015-04-24 2016-12-08 信越ポリマー株式会社 静電容量型入力装置
US10437385B2 (en) * 2015-04-28 2019-10-08 Apple Inc. Sensor design for capacitance sensing
JP6711817B2 (ja) * 2015-08-20 2020-06-17 キヤノン株式会社 情報処理装置、その制御方法、プログラム、及び記憶媒体
JP6134775B2 (ja) * 2015-12-22 2017-05-24 株式会社ジャパンディスプレイ 電子機器および電子機器の制御方法
US10336361B2 (en) 2016-04-04 2019-07-02 Joyson Safety Systems Acquisition Llc Vehicle accessory control circuit
US10755066B2 (en) * 2017-01-11 2020-08-25 Egis Technology Inc. Method and electronic device for detecting finger-on or finger-off
CN108304760B (zh) * 2017-01-11 2021-10-29 神盾股份有限公司 检测手指上手和离手之方法和电子装置
US10216322B2 (en) * 2017-02-01 2019-02-26 Nxp Usa, Inc. Capacitive touch sense unit computation power reduction using keypad electrodes crosstalk
TWI641974B (zh) * 2017-08-17 2018-11-21 宏碁股份有限公司 觸控面板以及觸控面板檢測方法
KR101872500B1 (ko) * 2017-11-15 2018-06-28 배규호 정전용량식 다기능 신호 입력장치
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WO2009038308A1 (en) * 2007-09-19 2009-03-26 Pointchips Co., Ltd Capacitance measuring circuit for touch sensor

Also Published As

Publication number Publication date
US8481873B2 (en) 2013-07-09
CN102576269A (zh) 2012-07-11
EP2483765A2 (en) 2012-08-08
WO2011041031A3 (en) 2011-06-30
JP2013506905A (ja) 2013-02-28
JP5669850B2 (ja) 2015-02-18
WO2011041031A2 (en) 2011-04-07
US20110073384A1 (en) 2011-03-31

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Address after: Texas in the United States

Patentee after: NXP America Co Ltd

Address before: Texas in the United States

Patentee before: Fisical Semiconductor Inc.