FR2977950B1 - Dispositif de detection capacitif - Google Patents

Dispositif de detection capacitif

Info

Publication number
FR2977950B1
FR2977950B1 FR1156393A FR1156393A FR2977950B1 FR 2977950 B1 FR2977950 B1 FR 2977950B1 FR 1156393 A FR1156393 A FR 1156393A FR 1156393 A FR1156393 A FR 1156393A FR 2977950 B1 FR2977950 B1 FR 2977950B1
Authority
FR
France
Prior art keywords
detection device
capacitive detection
capacitive
detection
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
FR1156393A
Other languages
English (en)
Other versions
FR2977950A1 (fr
Inventor
Jean Noel Lefebvre
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.)
Noalia Gestion
Original Assignee
Noalia Gestion
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 Noalia Gestion filed Critical Noalia Gestion
Priority to FR1156393A priority Critical patent/FR2977950B1/fr
Priority to PCT/FR2012/051603 priority patent/WO2013007934A2/fr
Publication of FR2977950A1 publication Critical patent/FR2977950A1/fr
Priority to US14/153,344 priority patent/US20140191770A1/en
Application granted granted Critical
Publication of FR2977950B1 publication Critical patent/FR2977950B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446Digitisers, 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605Measuring capacitance
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96Touch switches
    • H03K17/962Capacitive touch switches
    • H03K17/9622Capacitive touch switches using a plurality of detectors, e.g. keyboard
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K2217/00Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94Indexing 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
    • H03K2217/96Touch switches
    • H03K2217/9607Capacitive touch switches
    • H03K2217/960755Constructional details of capacitive touch and proximity switches
    • H03K2217/960775Emitter-receiver or "fringe" type detection, i.e. one or more field emitting electrodes and corresponding one or more receiving electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR1156393A 2011-07-13 2011-07-13 Dispositif de detection capacitif Expired - Fee Related FR2977950B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1156393A FR2977950B1 (fr) 2011-07-13 2011-07-13 Dispositif de detection capacitif
PCT/FR2012/051603 WO2013007934A2 (fr) 2011-07-13 2012-07-06 Dispositif de détection capacitif
US14/153,344 US20140191770A1 (en) 2011-07-13 2014-01-13 Capacitive sensing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1156393A FR2977950B1 (fr) 2011-07-13 2011-07-13 Dispositif de detection capacitif

Publications (2)

Publication Number Publication Date
FR2977950A1 FR2977950A1 (fr) 2013-01-18
FR2977950B1 true FR2977950B1 (fr) 2014-11-07

Family

ID=46639583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1156393A Expired - Fee Related FR2977950B1 (fr) 2011-07-13 2011-07-13 Dispositif de detection capacitif

Country Status (3)

Country Link
US (1) US20140191770A1 (fr)
FR (1) FR2977950B1 (fr)
WO (1) WO2013007934A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10088718B2 (en) 2014-12-22 2018-10-02 Shanghai Tianma Micro-electronics Co., Ltd. Touch liquid crystal display and method of controlling the same
CN104484085B (zh) * 2014-12-22 2018-05-25 上海天马微电子有限公司 一种电容式触摸屏、其触摸定位方法及显示装置
US10108292B2 (en) * 2015-04-22 2018-10-23 Microchip Technology Incorporated Capacitive sensor system with multiple transmit electrodes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI57319C (fi) * 1977-10-14 1980-07-10 Vaisala Oy Foerfarande foer maetning av smao kapacitanser
US5937023A (en) * 1997-06-05 1999-08-10 Wu; Donald Method and circuit for detecting small variations in capacity via delay accumulation
US6879930B2 (en) 2001-03-30 2005-04-12 Microsoft Corporation Capacitance touch slider
FR2908508B1 (fr) 2006-11-10 2008-12-12 Jean Noel Lefebvre Dispositif electronique, destine a realiser la mesure et la detection de variations d'une grandeur physique a mesurer
US7639234B2 (en) * 2007-01-04 2009-12-29 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Capacitive sensing and absolute position mapping in displacement type pointing devices
KR20090037547A (ko) * 2007-10-12 2009-04-16 삼성전자주식회사 표시장치
JP5063561B2 (ja) * 2008-11-14 2012-10-31 株式会社ジャパンディスプレイイースト タッチパネル
DE102009025396B4 (de) * 2009-06-16 2011-03-17 Prettl Home Appliance Solutions Gmbh Vorrichtung zum Erfassen und Übertragen eines Messwerts, Reihenschaltung, System zum Erfassen und Übertragen von Messwerten und Haushaltsgerät
US8933907B2 (en) * 2010-04-30 2015-01-13 Microchip Technology Incorporated Capacitive touch system using both self and mutual capacitance

Also Published As

Publication number Publication date
WO2013007934A3 (fr) 2013-03-28
WO2013007934A2 (fr) 2013-01-17
FR2977950A1 (fr) 2013-01-18
US20140191770A1 (en) 2014-07-10

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