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FR2968488B1 - Procede de commande d'une surface tactile capacitive - Google Patents

Procede de commande d'une surface tactile capacitive

Info

Publication number
FR2968488B1
FR2968488B1 FR1004670A FR1004670A FR2968488B1 FR 2968488 B1 FR2968488 B1 FR 2968488B1 FR 1004670 A FR1004670 A FR 1004670A FR 1004670 A FR1004670 A FR 1004670A FR 2968488 B1 FR2968488 B1 FR 2968488B1
Authority
FR
France
Prior art keywords
voltage
pair
electrodes
sampling capacitor
present disclosure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1004670A
Other languages
English (en)
Other versions
FR2968488A1 (fr
Inventor
Laurent Beyly
Cyril Troise
Maxime Teissier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics Rousset SAS
Original Assignee
STMicroelectronics Rousset SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STMicroelectronics Rousset SAS filed Critical STMicroelectronics Rousset SAS
Priority to FR1004670A priority Critical patent/FR2968488B1/fr
Priority to US13/309,413 priority patent/US8952709B2/en
Publication of FR2968488A1 publication Critical patent/FR2968488A1/fr
Application granted granted Critical
Publication of FR2968488B1 publication Critical patent/FR2968488B1/fr
Priority to US14/592,194 priority patent/US9542035B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H03K17/945—Proximity switches
    • H03K17/955—Proximity switches using a capacitive detector
    • 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
    • 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
    • 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
    • H03K17/9622—Capacitive touch switches using a plurality of detectors, e.g. keyboard
    • 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
    • G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
    • 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
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/96071—Capacitive touch switches characterised by the detection principle
    • H03K2217/960725—Charge-transfer

Landscapes

  • 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR1004670A 2010-12-01 2010-12-01 Procede de commande d'une surface tactile capacitive Expired - Fee Related FR2968488B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1004670A FR2968488B1 (fr) 2010-12-01 2010-12-01 Procede de commande d'une surface tactile capacitive
US13/309,413 US8952709B2 (en) 2010-12-01 2011-12-01 Method for controlling a capacitive touch pad
US14/592,194 US9542035B2 (en) 2010-12-01 2015-01-08 Method for controlling a capacitive touch pad

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004670A FR2968488B1 (fr) 2010-12-01 2010-12-01 Procede de commande d'une surface tactile capacitive

Publications (2)

Publication Number Publication Date
FR2968488A1 FR2968488A1 (fr) 2012-06-08
FR2968488B1 true FR2968488B1 (fr) 2012-12-21

Family

ID=44455259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004670A Expired - Fee Related FR2968488B1 (fr) 2010-12-01 2010-12-01 Procede de commande d'une surface tactile capacitive

Country Status (2)

Country Link
US (2) US8952709B2 (fr)
FR (1) FR2968488B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9728017B2 (en) * 2013-03-01 2017-08-08 Yves Paquin Electronic door access control system
JP5999266B2 (ja) * 2013-07-29 2016-09-28 株式会社村田製作所 印加交流電圧を考慮したコンデンサの静電容量値決定方法およびプログラム
US10521045B2 (en) * 2018-02-14 2019-12-31 Microchip Technology Incorporated Reference noise rejection improvement based on sample and hold circuitry
GB2597467A (en) * 2020-07-22 2022-02-02 Continental Automotive Gmbh A touch capacitive sensor and method thereof

Family Cites Families (34)

* Cited by examiner, † Cited by third party
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US5457289A (en) 1994-03-16 1995-10-10 Microtouch Systems, Inc. Frontally shielded capacitive touch sensor system
US5579036A (en) 1994-04-28 1996-11-26 At&T Global Information Solutions Company Touch screen device and shielding bracket therefor
US6549193B1 (en) 1998-10-09 2003-04-15 3M Innovative Properties Company Touch panel with improved linear response and minimal border width electrode pattern
US6466036B1 (en) 1998-11-25 2002-10-15 Harald Philipp Charge transfer capacitance measurement circuit
WO2000044018A1 (fr) 1999-01-26 2000-07-27 Harald Philipp Capteur capacitif et montage
US6720777B2 (en) * 2002-02-15 2004-04-13 Rosemount Inc. Bridged capacitor sensor measurement circuit
AU2003292623A1 (en) 2002-12-25 2004-07-22 Act Elsi Inc. Electrostatic capacity detection type proximity sensor
US7339579B2 (en) 2003-12-15 2008-03-04 3M Innovative Properties Company Wiring harness and touch sensor incorporating same
US7307626B2 (en) 2004-01-27 2007-12-11 Tyco Electronics Corporation Capacitive touch sensor
US7227538B2 (en) 2004-02-25 2007-06-05 3M Innovative Properties Company Touch sensor with linearized response
US7509857B2 (en) * 2005-03-04 2009-03-31 Custom Sensors & Technologies, Inc. Inertial measurement system and method with sensor bias cancellation
JP4799040B2 (ja) 2005-04-26 2011-10-19 株式会社ワコム 位置検出装置、および、位置入力装置
US7932898B2 (en) 2005-09-20 2011-04-26 Atmel Corporation Touch sensitive screen
CN1832349A (zh) * 2006-04-19 2006-09-13 北京希格玛晶华微电子有限公司 一种电容测量触摸感应、辨认方法及实现装置
US20070262963A1 (en) * 2006-05-11 2007-11-15 Cypress Semiconductor Corporation Apparatus and method for recognizing a button operation on a sensing device
KR101374887B1 (ko) 2006-05-16 2014-03-13 삼성디스플레이 주식회사 표시 패널
US8207944B2 (en) * 2006-12-19 2012-06-26 3M Innovative Properties Company Capacitance measuring circuit and method
US8860683B2 (en) 2007-04-05 2014-10-14 Cypress Semiconductor Corporation Integrated button activation sensing and proximity sensing
EP2156452A4 (fr) * 2007-06-12 2011-09-28 Elektrobit Wireless Comm Oy Dispositif d'entrée
TWI402513B (zh) * 2008-08-18 2013-07-21 Raydium Semiconductor Corp 電容值測量電路
US8836350B2 (en) * 2009-01-16 2014-09-16 Microchip Technology Incorporated Capacitive touch sensing using an internal capacitor of an analog-to-digital converter (ADC) and a voltage reference
US8237456B2 (en) * 2009-03-02 2012-08-07 Atmel Corporation Capacitive sensing
US9354751B2 (en) * 2009-05-15 2016-05-31 Apple Inc. Input device with optimized capacitive sensing
US8115499B2 (en) 2009-05-22 2012-02-14 Freescale Semiconductor, Inc. Device with proximity detection capability
JP5178631B2 (ja) 2009-05-26 2013-04-10 株式会社ジャパンディスプレイウェスト タッチセンサ、表示装置および電子機器
WO2010136932A1 (fr) 2009-05-27 2010-12-02 Koninklijke Philips Electronics N.V. Interface sensible au toucher ou à la proximité.
JP5300640B2 (ja) 2009-07-27 2013-09-25 株式会社ジャパンディスプレイウェスト 静電容量型入力装置および入力装置付き電気光学装置
TWI391678B (zh) * 2009-09-30 2013-04-01 Raydium Semiconductor Corp 電容值測量電路與其方法
US8558802B2 (en) 2009-11-21 2013-10-15 Freescale Semiconductor, Inc. Methods and apparatus for performing capacitive touch sensing and proximity detection
US8174273B2 (en) * 2010-01-07 2012-05-08 3M Innovative Properties Company Capacitance measurement circuit with dynamic feedback
US9019229B2 (en) 2010-03-26 2015-04-28 Stmicroelectronics Asia Pacific Pte Ltd Sample and hold capacitance to digital converter
US8982060B2 (en) 2010-08-27 2015-03-17 Apple Inc. Touch and hover sensor compensation
FR2968421B1 (fr) * 2010-12-01 2013-04-05 St Microelectronics Rousset Surface tactile capacitive configuree pour effectuer une detection de proximite
FR2968487B1 (fr) * 2010-12-01 2012-12-21 St Microelectronics Rousset Dispositif de detection directionnel de proximite capacitif

Also Published As

Publication number Publication date
US9542035B2 (en) 2017-01-10
US20120139563A1 (en) 2012-06-07
US20150123943A1 (en) 2015-05-07
US8952709B2 (en) 2015-02-10
FR2968488A1 (fr) 2012-06-08

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