FR2999833B1 - Dispositif de mesure d'une variation d'une capacite et procede de mesure associe - Google Patents

Dispositif de mesure d'une variation d'une capacite et procede de mesure associe

Info

Publication number
FR2999833B1
FR2999833B1 FR1262364A FR1262364A FR2999833B1 FR 2999833 B1 FR2999833 B1 FR 2999833B1 FR 1262364 A FR1262364 A FR 1262364A FR 1262364 A FR1262364 A FR 1262364A FR 2999833 B1 FR2999833 B1 FR 2999833B1
Authority
FR
France
Prior art keywords
measuring
variation
capacity
measuring method
associated measuring
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
FR1262364A
Other languages
English (en)
Other versions
FR2999833A1 (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 FR1262364A priority Critical patent/FR2999833B1/fr
Priority to US14/102,825 priority patent/US9689907B2/en
Priority to CN201310697440.2A priority patent/CN103883180B/zh
Publication of FR2999833A1 publication Critical patent/FR2999833A1/fr
Application granted granted Critical
Publication of FR2999833B1 publication Critical patent/FR2999833B1/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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
    • 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
FR1262364A 2012-12-19 2012-12-19 Dispositif de mesure d'une variation d'une capacite et procede de mesure associe Active FR2999833B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1262364A FR2999833B1 (fr) 2012-12-19 2012-12-19 Dispositif de mesure d'une variation d'une capacite et procede de mesure associe
US14/102,825 US9689907B2 (en) 2012-12-19 2013-12-11 Device for measuring the variation of a capacitance and associated measuring method
CN201310697440.2A CN103883180B (zh) 2012-12-19 2013-12-18 用于测量电容的变化的设备和相关联的测量方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1262364A FR2999833B1 (fr) 2012-12-19 2012-12-19 Dispositif de mesure d'une variation d'une capacite et procede de mesure associe

Publications (2)

Publication Number Publication Date
FR2999833A1 FR2999833A1 (fr) 2014-06-20
FR2999833B1 true FR2999833B1 (fr) 2015-01-23

Family

ID=48521046

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1262364A Active FR2999833B1 (fr) 2012-12-19 2012-12-19 Dispositif de mesure d'une variation d'une capacite et procede de mesure associe

Country Status (3)

Country Link
US (1) US9689907B2 (fr)
CN (1) CN103883180B (fr)
FR (1) FR2999833B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3025824B1 (fr) * 2014-09-11 2016-09-16 Continental Automotive France Procede de detection d'actionnement d'une poignee de portiere de vehicule automobile
FR3027400B1 (fr) * 2014-10-16 2016-11-25 Continental Automotive France Procede de detection d'approche et/ou de contact et dispositif associe
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
LU92627B1 (fr) 2014-12-31 2016-07-01 Iee Sarl
FR3051500B1 (fr) * 2016-05-20 2018-05-18 Peugeot Citroen Automobiles Sa Commande d’ouverture exterieure d’ouvrant de vehicule dont la poignee presente deux positions deployees stables et vehicule presentant une telle commande
FR3059499B1 (fr) 2016-11-29 2019-01-25 Continental Automotive France Procede de detection d'approche et/ou de contact de la main d'un utilisateur pres d'une poignee de portiere de vehicule automobile, capteur capacitif et module de detection associes
CN110161318B (zh) * 2018-02-13 2021-01-26 谢晔华 一种电容检测电路及检测方法
JP2023098421A (ja) 2021-12-28 2023-07-10 ローム株式会社 半導体集積回路装置、超音波センサ、及び車両
TWI812126B (zh) * 2022-03-29 2023-08-11 飛捷科技股份有限公司 可攜式電子裝置充斷電的方法及可攜式電子裝置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005098016A (ja) 2003-09-26 2005-04-14 Matsushita Electric Ind Co Ltd ドアハンドル装置及びこれを備えたキーレスエントリー装置
JP4356003B2 (ja) * 2003-09-30 2009-11-04 アイシン精機株式会社 静電容量検出装置
JP4336219B2 (ja) 2004-02-20 2009-09-30 株式会社ユーシン 人体検知センサ
US7023221B1 (en) 2005-05-09 2006-04-04 Holylite Microectronics Corporation Structure of object proximity and position detector
US7902842B2 (en) * 2005-06-03 2011-03-08 Synaptics Incorporated Methods and systems for switched charge transfer capacitance measuring using shared components
US7307485B1 (en) * 2005-11-14 2007-12-11 Cypress Semiconductor Corporation Capacitance sensor using relaxation oscillators
EP1791260B1 (fr) * 2005-11-24 2008-03-19 Holylite Microelectronics Corporation Détecteur de proximité ou de position d'un objet
US20080036473A1 (en) * 2006-08-09 2008-02-14 Jansson Hakan K Dual-slope charging relaxation oscillator for measuring capacitance
JP4938580B2 (ja) 2007-07-27 2012-05-23 アイシン精機株式会社 ドアハンドル装置
US8487639B1 (en) * 2008-11-21 2013-07-16 Cypress Semiconductor Corporation Receive demodulator for capacitive sensing
US7944217B2 (en) 2009-03-09 2011-05-17 Holylite Microelectronics Corp. Object proximity detector and object position detector
JP2011133964A (ja) * 2009-12-22 2011-07-07 Sanyo Electric Co Ltd 容量判別回路、容量判別回路を備えたタッチスイッチ
US8542215B2 (en) * 2010-04-30 2013-09-24 Microchip Technology Incorporated Mutual capacitance measurement in a multi-touch input device
KR101216393B1 (ko) * 2010-05-13 2012-12-28 주식회사 실리콘웍스 터치스크린의 정전용량 측정회로 및 방법
US9587964B2 (en) * 2013-06-12 2017-03-07 Microchip Technology Incorporated Capacitive proximity detection using delta-sigma conversion

Also Published As

Publication number Publication date
US9689907B2 (en) 2017-06-27
US20140172336A1 (en) 2014-06-19
FR2999833A1 (fr) 2014-06-20
CN103883180B (zh) 2017-05-17
CN103883180A (zh) 2014-06-25

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