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FR2968421B1 - Surface tactile capacitive configuree pour effectuer une detection de proximite - Google Patents

Surface tactile capacitive configuree pour effectuer une detection de proximite

Info

Publication number
FR2968421B1
FR2968421B1 FR1004665A FR1004665A FR2968421B1 FR 2968421 B1 FR2968421 B1 FR 2968421B1 FR 1004665 A FR1004665 A FR 1004665A FR 1004665 A FR1004665 A FR 1004665A FR 2968421 B1 FR2968421 B1 FR 2968421B1
Authority
FR
France
Prior art keywords
capacitive touch
touch surface
surface configured
proximity detection
make proximity
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
FR1004665A
Other languages
English (en)
Other versions
FR2968421A1 (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 FR1004665A priority Critical patent/FR2968421B1/fr
Priority to US13/309,284 priority patent/US8704797B2/en
Publication of FR2968421A1 publication Critical patent/FR2968421A1/fr
Application granted granted Critical
Publication of FR2968421B1 publication Critical patent/FR2968421B1/fr
Priority to US14/205,157 priority patent/US9019236B2/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
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F2203/04101—2.5D-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 and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
    • 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)
  • Position Input By Displaying (AREA)
  • Electronic Switches (AREA)
FR1004665A 2010-12-01 2010-12-01 Surface tactile capacitive configuree pour effectuer une detection de proximite Expired - Fee Related FR2968421B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1004665A FR2968421B1 (fr) 2010-12-01 2010-12-01 Surface tactile capacitive configuree pour effectuer une detection de proximite
US13/309,284 US8704797B2 (en) 2010-12-01 2011-12-01 Capacitive touch pad configured for proximity detection
US14/205,157 US9019236B2 (en) 2010-12-01 2014-03-11 Capacitive touch pad configured for proximity detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004665A FR2968421B1 (fr) 2010-12-01 2010-12-01 Surface tactile capacitive configuree pour effectuer une detection de proximite

Publications (2)

Publication Number Publication Date
FR2968421A1 FR2968421A1 (fr) 2012-06-08
FR2968421B1 true FR2968421B1 (fr) 2013-04-05

Family

ID=44454788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004665A Expired - Fee Related FR2968421B1 (fr) 2010-12-01 2010-12-01 Surface tactile capacitive configuree pour effectuer une detection de proximite

Country Status (2)

Country Link
US (2) US8704797B2 (fr)
FR (1) FR2968421B1 (fr)

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* Cited by examiner, † Cited by third party
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FR2968488B1 (fr) * 2010-12-01 2012-12-21 St Microelectronics Rousset Procede de commande d'une surface tactile capacitive
US9633247B2 (en) * 2012-03-01 2017-04-25 Apple Inc. Electronic device with shared near field communications and sensor structures
US20140002406A1 (en) * 2012-06-28 2014-01-02 Texas Instruments Incorporated Low-Power Capacitive Sensor Monitoring and Method
KR102029715B1 (ko) * 2012-12-21 2019-11-08 엘지이노텍 주식회사 터치 패널
US9442598B2 (en) * 2013-02-08 2016-09-13 Synaptics Incorporated Detecting interference in an input device having electrodes
CN104122541B (zh) 2013-04-28 2016-08-17 意法半导体研发(深圳)有限公司 具有互连层的接近检测器设备及相关方法
CN104347644B (zh) 2013-07-25 2018-06-19 意法半导体研发(深圳)有限公司 具有透镜组件的图像检测器及相关方法
US9983738B2 (en) 2013-10-14 2018-05-29 Parade Technologies, Ltd. Contact detection mode switching in a touchscreen device
US9213458B2 (en) 2013-10-14 2015-12-15 Parade Technologies, Ltd. Hover position calculation in a touchscreen device
JP6309337B2 (ja) * 2014-05-02 2018-04-11 株式会社半導体エネルギー研究所 検知装置、検知装置の駆動方法、及び入力装置
KR102394724B1 (ko) * 2015-10-29 2022-05-09 엘지디스플레이 주식회사 터치 스크린 패널
TW201800723A (zh) * 2016-01-27 2018-01-01 松下知識產權經營股份有限公司 感測器及使用該感測器之開關
US10579193B2 (en) * 2017-12-14 2020-03-03 Cypress Semiconductor Corporation Spatial-frequency-based capacitive motion sensor and method of using the same
FR3077449B1 (fr) * 2018-01-29 2021-01-08 Continental Automotive France Procede et dispositif de detection de presence a multiples zones de detection pour vehicule automobile
US10545620B1 (en) * 2018-07-19 2020-01-28 Superc-Touch Corporation Hovering and touch sensing apparatus with auxiliary capacitance-exciting signal
EP3889745A4 (fr) * 2018-11-27 2022-08-10 Alps Alpine Co., Ltd. Détecteur de proximité comprenant un groupe d'électrodes de détection obliques

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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
JP4275865B2 (ja) * 1999-01-26 2009-06-10 キューアールジー リミテッド 容量性センサ及びアレイ
KR101046666B1 (ko) * 2002-12-25 2011-07-06 에이씨티 엘에스아이 인크. 정전 용량 검출형 근접 센서
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
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
US8319670B2 (en) 2007-06-12 2012-11-27 Elektrobit Wireless Communications Oy Input arrangement
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
RU2011153426A (ru) * 2009-05-27 2013-07-10 Конинклейке Филипс Электроникс Н.В. Интерфейс, восприимчивый к касанию или близости
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
US9019229B2 (en) * 2010-03-26 2015-04-28 Stmicroelectronics Asia Pacific Pte Ltd Sample and hold capacitance to digital converter
US9268431B2 (en) * 2010-08-27 2016-02-23 Apple Inc. Touch and hover switching

Also Published As

Publication number Publication date
US8704797B2 (en) 2014-04-22
US9019236B2 (en) 2015-04-28
US20140192021A1 (en) 2014-07-10
FR2968421A1 (fr) 2012-06-08
US20120139870A1 (en) 2012-06-07

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Effective date: 20150831