FR2985017B1 - Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe - Google Patents

Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe

Info

Publication number
FR2985017B1
FR2985017B1 FR1104050A FR1104050A FR2985017B1 FR 2985017 B1 FR2985017 B1 FR 2985017B1 FR 1104050 A FR1104050 A FR 1104050A FR 1104050 A FR1104050 A FR 1104050A FR 2985017 B1 FR2985017 B1 FR 2985017B1
Authority
FR
France
Prior art keywords
variation
measuring
associated method
low consumption
consumption capacity
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.)
Active
Application number
FR1104050A
Other languages
English (en)
Other versions
FR2985017A1 (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.)
Vitesco Technologies GmbH
Original Assignee
Continental Automotive GmbH
Continental Automotive France 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 Continental Automotive GmbH, Continental Automotive France SAS filed Critical Continental Automotive GmbH
Priority to FR1104050A priority Critical patent/FR2985017B1/fr
Priority to CN201280063782.2A priority patent/CN104160624B/zh
Priority to US14/364,744 priority patent/US9778300B2/en
Priority to PCT/EP2012/005210 priority patent/WO2013091821A1/fr
Publication of FR2985017A1 publication Critical patent/FR2985017A1/fr
Application granted granted Critical
Publication of FR2985017B1 publication Critical patent/FR2985017B1/fr
Active 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • 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
    • 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
    • H03K2217/960715—Rc-timing; e.g. measurement of variation of charge time or discharge time of the sensor
    • 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
FR1104050A 2011-12-23 2011-12-23 Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe Active FR2985017B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1104050A FR2985017B1 (fr) 2011-12-23 2011-12-23 Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe
CN201280063782.2A CN104160624B (zh) 2011-12-23 2012-12-17 低消耗电容变化测量装置和相关联的方法
US14/364,744 US9778300B2 (en) 2011-12-23 2012-12-17 Low consumption device for measuring a variation of a capacitance and associated method
PCT/EP2012/005210 WO2013091821A1 (fr) 2011-12-23 2012-12-17 Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1104050A FR2985017B1 (fr) 2011-12-23 2011-12-23 Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe

Publications (2)

Publication Number Publication Date
FR2985017A1 FR2985017A1 (fr) 2013-06-28
FR2985017B1 true FR2985017B1 (fr) 2015-01-02

Family

ID=47428553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1104050A Active FR2985017B1 (fr) 2011-12-23 2011-12-23 Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe

Country Status (4)

Country Link
US (1) US9778300B2 (fr)
CN (1) CN104160624B (fr)
FR (1) FR2985017B1 (fr)
WO (1) WO2013091821A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2995432B1 (fr) 2012-09-10 2015-08-21 Continental Automotive France Procede d'ouverture/fermeture d'ouvrant en acces main libre securise par detection de mouvement de membre inferieur d'utilisateur
DE102012224007B4 (de) * 2012-12-20 2020-07-16 Ifm Electronic Gmbh Verfahren zur Bestimmung der Kapazität eines Messkondensators, Verfahren zum Betreiben eines kapazitiven Sensors sowie Vorrichtung zur Durchführung der beiden Verfahren
FR3027717B1 (fr) * 2014-10-28 2016-12-09 Continental Automotive France Procede de detection par un capteur de la presence d'un utilisateur pour le deverrouillage d'un acces a un vehicule automobile et capteur associe
FR3027716B1 (fr) * 2014-10-28 2017-10-06 Continental Automotive France Capteur de detection de la presence d'un utilisateur pour le deverrouillage d'un acces a un vehicule
DE102016206958A1 (de) * 2016-04-25 2017-10-26 Continental Automotive Gmbh Verfahren zum Bestimmen eines Laststroms und Batteriesensor
US10656191B2 (en) * 2017-12-18 2020-05-19 Microsoft Technology Licensing, Llc Capacitance measuring circuit
US20230166032A1 (en) * 2021-11-30 2023-06-01 Insulet Corporation Capacitance sensing for component positioning detection

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9825435D0 (en) 1998-11-20 1999-01-13 Philipp Harald Charge transfer capacitance measurement circuit
JP4310695B2 (ja) * 2004-03-30 2009-08-12 アイシン精機株式会社 静電容量変化検出装置
JP4363281B2 (ja) 2004-09-08 2009-11-11 オムロン株式会社 容量計測装置および方法、並びにプログラム
FR2886725B1 (fr) * 2005-06-01 2007-08-31 Valeo Securite Habitacle Sas Dispositif de detection d'une variation de capacitance et capteur capacitif de detection de presence d'un utilisateur, implementant un tel dispositif
US8207944B2 (en) * 2006-12-19 2012-06-26 3M Innovative Properties Company Capacitance measuring circuit and method
CN101796422A (zh) * 2007-07-11 2010-08-04 马里米斯有限公司 用于电容性地检测物体的方法和装置
TWI335989B (en) * 2007-07-19 2011-01-11 Generalplus Technology Inc Method for measuring speed of conductor slipping through capacitive sensor
US7830157B2 (en) * 2007-12-28 2010-11-09 3M Innovative Properties Company Pulsed capacitance measuring circuits and methods
CN101499793A (zh) * 2008-01-31 2009-08-05 杭州利尔达科技有限公司 基于mcu的电容感应式触摸按键及触摸按键电容的测量方法
FR2938344B1 (fr) * 2008-11-07 2010-11-19 Continental Automotive France Dispositif de mesure d'une variation de la capacitance d'une structure capacitive variable
US8174273B2 (en) * 2010-01-07 2012-05-08 3M Innovative Properties Company Capacitance measurement circuit with dynamic feedback

Also Published As

Publication number Publication date
US20140372058A1 (en) 2014-12-18
CN104160624B (zh) 2017-04-05
FR2985017A1 (fr) 2013-06-28
CN104160624A (zh) 2014-11-19
US9778300B2 (en) 2017-10-03
WO2013091821A1 (fr) 2013-06-27

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