FR2886725B1 - Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif - Google Patents

Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif

Info

Publication number
FR2886725B1
FR2886725B1 FR0505083A FR0505083A FR2886725B1 FR 2886725 B1 FR2886725 B1 FR 2886725B1 FR 0505083 A FR0505083 A FR 0505083A FR 0505083 A FR0505083 A FR 0505083A FR 2886725 B1 FR2886725 B1 FR 2886725B1
Authority
FR
France
Prior art keywords
detecting
implementing
user
charges
discharges
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
FR0505083A
Other languages
English (en)
Other versions
FR2886725A1 (fr
Inventor
Xavier Hourne
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle 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 Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Priority to FR0505083A priority Critical patent/FR2886725B1/fr
Priority to US11/916,253 priority patent/US8570054B2/en
Priority to EP06763348A priority patent/EP1896801A1/fr
Priority to PCT/EP2006/062693 priority patent/WO2006128850A1/fr
Priority to JP2008514081A priority patent/JP5094714B2/ja
Publication of FR2886725A1 publication Critical patent/FR2886725A1/fr
Application granted granted Critical
Publication of FR2886725B1 publication Critical patent/FR2886725B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical 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
    • G01D5/12—Mechanical 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
    • G01D5/14—Mechanical 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
    • G01D5/24—Mechanical 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
    • G01D5/2405—Mechanical 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 by varying dielectric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Lock And Its Accessories (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR0505083A 2005-06-01 2005-06-01 Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif Expired - Fee Related FR2886725B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0505083A FR2886725B1 (fr) 2005-06-01 2005-06-01 Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif
US11/916,253 US8570054B2 (en) 2005-06-01 2006-05-30 Device for detecting a capacitance variation and capacitive sensor for detecting the presence of a user using such a device
EP06763348A EP1896801A1 (fr) 2005-06-01 2006-05-30 Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif
PCT/EP2006/062693 WO2006128850A1 (fr) 2005-06-01 2006-05-30 Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif
JP2008514081A JP5094714B2 (ja) 2005-06-01 2006-05-30 容量変化を検出するためのデバイス、および、このデバイスを用いて、ユーザの存在を検出するための容量性センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0505083A FR2886725B1 (fr) 2005-06-01 2005-06-01 Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2886725A1 FR2886725A1 (fr) 2006-12-08
FR2886725B1 true FR2886725B1 (fr) 2007-08-31

Family

ID=35588830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0505083A Expired - Fee Related FR2886725B1 (fr) 2005-06-01 2005-06-01 Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif

Country Status (5)

Country Link
US (1) US8570054B2 (fr)
EP (1) EP1896801A1 (fr)
JP (1) JP5094714B2 (fr)
FR (1) FR2886725B1 (fr)
WO (1) WO2006128850A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2985017B1 (fr) * 2011-12-23 2015-01-02 Continental Automotive France Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01313783A (ja) * 1988-06-14 1989-12-19 Philips Kk 電池の容量計測回路
US5089783A (en) * 1990-11-16 1992-02-18 General Motors Corporation Capacitive fuel composition sensor with padding capacitor
JPH09301119A (ja) * 1996-05-16 1997-11-25 Kansei Corp 着座検出装置
ES2174342T3 (es) * 1997-02-17 2002-11-01 Ego Elektro Geraetebau Gmbh Interruptor por tacto con tecla sensorial.
JP4047466B2 (ja) * 1998-10-28 2008-02-13 ケイエステクノ株式会社 静電容量センサ回路
WO2002063320A1 (fr) * 2001-02-02 2002-08-15 Haase Wayne C Circuit de mesure numerique et systeme utilisant un capteur capacitif a la terre
FR2829317B1 (fr) * 2001-08-30 2003-10-31 Valeo Electronique Capteur de presence
DE10303480A1 (de) * 2003-01-24 2004-08-05 E.G.O. Elektro-Gerätebau GmbH Schaltungsanordnung für einen kapazitiven Näherungsschalter
FR2853058B1 (fr) * 2003-03-27 2005-05-13 Valeo Securite Habitacle Detection de presence par capteur capacitif
DE10336335B4 (de) * 2003-08-08 2015-03-12 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schließvorrichtung für Fahrzeuge

Also Published As

Publication number Publication date
US8570054B2 (en) 2013-10-29
WO2006128850A1 (fr) 2006-12-07
JP5094714B2 (ja) 2012-12-12
EP1896801A1 (fr) 2008-03-12
WO2006128850A9 (fr) 2007-03-15
JP2008542734A (ja) 2008-11-27
FR2886725A1 (fr) 2006-12-08
US20100231240A1 (en) 2010-09-16

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Legal Events

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ST Notification of lapse

Effective date: 20160229