ATE537605T1 - Anwesenheitssensor - Google Patents

Anwesenheitssensor

Info

Publication number
ATE537605T1
ATE537605T1 AT02767448T AT02767448T ATE537605T1 AT E537605 T1 ATE537605 T1 AT E537605T1 AT 02767448 T AT02767448 T AT 02767448T AT 02767448 T AT02767448 T AT 02767448T AT E537605 T1 ATE537605 T1 AT E537605T1
Authority
AT
Austria
Prior art keywords
capacitance
measuring
power supply
switch
sensing device
Prior art date
Application number
AT02767448T
Other languages
English (en)
Inventor
Ciprian Musat
Original Assignee
Valeo Electronique
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 Electronique filed Critical Valeo Electronique
Application granted granted Critical
Publication of ATE537605T1 publication Critical patent/ATE537605T1/de

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
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches

Landscapes

  • Lock And Its Accessories (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Glass Compositions (AREA)
AT02767448T 2001-08-30 2002-08-28 Anwesenheitssensor ATE537605T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0111395A FR2829317B1 (fr) 2001-08-30 2001-08-30 Capteur de presence
PCT/EP2002/009595 WO2003021782A1 (fr) 2001-08-30 2002-08-28 Capteur de presence

Publications (1)

Publication Number Publication Date
ATE537605T1 true ATE537605T1 (de) 2011-12-15

Family

ID=8866924

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02767448T ATE537605T1 (de) 2001-08-30 2002-08-28 Anwesenheitssensor

Country Status (5)

Country Link
EP (1) EP1423917B1 (de)
JP (1) JP4209324B2 (de)
AT (1) ATE537605T1 (de)
FR (1) FR2829317B1 (de)
WO (1) WO2003021782A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853058B1 (fr) * 2003-03-27 2005-05-13 Valeo Securite Habitacle Detection de presence par capteur capacitif
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
JP4604739B2 (ja) * 2005-01-28 2011-01-05 アイシン精機株式会社 静電容量検出装置
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
US7301350B2 (en) 2005-06-03 2007-11-27 Synaptics Incorporated Methods and systems for detecting a capacitance using sigma-delta measurement techniques
US7777501B2 (en) 2005-06-03 2010-08-17 Synaptics Incorporated Methods and systems for sigma delta capacitance measuring using shared component
US7288946B2 (en) 2005-06-03 2007-10-30 Synaptics Incorporated Methods and systems for detecting a capacitance using sigma-delta measurement techniques
US7449895B2 (en) 2005-06-03 2008-11-11 Synaptics Incorporated Methods and systems for detecting a capacitance using switched charge transfer techniques
US7902842B2 (en) 2005-06-03 2011-03-08 Synaptics Incorporated Methods and systems for switched charge transfer capacitance measuring using shared components
JP5395429B2 (ja) 2005-06-03 2014-01-22 シナプティクス インコーポレイテッド シグマデルタ測定法を使用してキャパシタンスを検出するための方法およびシステム
JP5352905B2 (ja) * 2009-05-28 2013-11-27 ルネサスエレクトロニクス株式会社 半導体装置およびそれを用いたタッチセンサ
US9274643B2 (en) 2012-03-30 2016-03-01 Synaptics Incorporated Capacitive charge measurement
CN112431487A (zh) * 2020-11-09 2021-03-02 上海战诚电子科技股份有限公司 一种带有反馈信号识别的矩阵开锁电路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039940A (en) * 1976-07-30 1977-08-02 General Electric Company Capacitance sensor
DE3413849C2 (de) * 1984-02-21 1986-07-10 Dietrich 8891 Obergriesbach Lüderitz Kapazitäts-Meßgerät
GB9825435D0 (en) * 1998-11-20 1999-01-13 Philipp Harald Charge transfer capacitance measurement circuit

Also Published As

Publication number Publication date
WO2003021782A1 (fr) 2003-03-13
EP1423917B1 (de) 2011-12-14
FR2829317A1 (fr) 2003-03-07
JP2005502059A (ja) 2005-01-20
FR2829317B1 (fr) 2003-10-31
JP4209324B2 (ja) 2009-01-14
EP1423917A1 (de) 2004-06-02

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