CA2390176A1 - Procede et appareil d'essai d'un capteur capacitif - Google Patents

Procede et appareil d'essai d'un capteur capacitif Download PDF

Info

Publication number
CA2390176A1
CA2390176A1 CA002390176A CA2390176A CA2390176A1 CA 2390176 A1 CA2390176 A1 CA 2390176A1 CA 002390176 A CA002390176 A CA 002390176A CA 2390176 A CA2390176 A CA 2390176A CA 2390176 A1 CA2390176 A1 CA 2390176A1
Authority
CA
Canada
Prior art keywords
sensor
signal
test
output signal
frequency range
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.)
Abandoned
Application number
CA002390176A
Other languages
English (en)
Inventor
Arnim Holger Littek
Michael Jouhannes Pot
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.)
Individual
Original Assignee
MED-DEV Ltd
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 MED-DEV Ltd filed Critical MED-DEV Ltd
Publication of CA2390176A1 publication Critical patent/CA2390176A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un appareil d'essai d'un capteur capacitif, comprenant des moyens (5, 15, 17, 19) permettant d'appliquer au capteur un signal d'entrée d'essai, lequel présente une caractéristique de signal prédéterminée, ainsi que des moyens (7, 18) permettant d'extraire du capteur un signal de sortie d'essai par la sélection de signaux ayant ladite caractéristique de signal prédéterminée, et le blocage des signaux ne possédant pas cette caractéristique.
CA002390176A 1999-11-03 2000-11-03 Procede et appareil d'essai d'un capteur capacitif Abandoned CA2390176A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ50077099 1999-11-03
NZ500770 1999-11-03
PCT/NZ2000/000217 WO2001033245A1 (fr) 1999-11-03 2000-11-03 Procede et appareil d'essai d'un capteur capacitif

Publications (1)

Publication Number Publication Date
CA2390176A1 true CA2390176A1 (fr) 2001-05-10

Family

ID=19927604

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002390176A Abandoned CA2390176A1 (fr) 1999-11-03 2000-11-03 Procede et appareil d'essai d'un capteur capacitif

Country Status (5)

Country Link
EP (1) EP1234191A4 (fr)
AU (1) AU1313901A (fr)
BR (1) BR0015288A (fr)
CA (1) CA2390176A1 (fr)
WO (1) WO2001033245A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040173440A1 (en) * 2001-06-05 2004-09-09 Harald Mauch Measurement and detection roller
US6714070B1 (en) * 2002-02-07 2004-03-30 Bei Technologies, Inc. Differential charge amplifier with built-in testing for rotation rate sensor
FR2912814A1 (fr) * 2007-07-06 2008-08-22 Siemens Vdo Automotive Sas Procede et dispositif de detection de defaillance de capteur capacitif passif
US20090241634A1 (en) * 2008-03-28 2009-10-01 Cenk Acar Micromachined accelerometer and method with continuous self-testing
US9791494B2 (en) 2012-01-20 2017-10-17 Lear Corporation Apparatus and method for diagnostics of a capacitive sensor
CN103235277B (zh) * 2013-03-29 2016-01-06 国家电网公司 智能化变电站容性设备在线监测系统集成化调试装置
US10260983B2 (en) 2014-01-20 2019-04-16 Lear Corporation Apparatus and method for diagnostics of a capacitive sensor with plausibility check
WO2017109520A1 (fr) * 2015-12-24 2017-06-29 Cloudtag Inc Système portatif de surveillance du rythme et de l'activité cardiaques

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220519A (en) * 1990-12-28 1993-06-15 Endevco Corporation Method and apparatus for self-testing a transducer system
GB2253487B (en) * 1991-03-07 1994-08-03 Rover Group A method of detecting malfunction of a piezoelectric sensor
JPH0526890A (ja) * 1991-07-19 1993-02-02 Mitsubishi Petrochem Co Ltd 自己診断回路付き加速度センサ
DE4133426A1 (de) * 1991-10-09 1993-04-15 Bosch Gmbh Robert Schaltungsanordnung zur auswertung und zum test eines kapazitiven sensors
IT1268099B1 (it) * 1994-09-30 1997-02-20 Marelli Autronica Sistema di diagnosi per un sensore di tipo capacitivo.
DE19739903A1 (de) * 1997-09-11 1999-04-01 Bosch Gmbh Robert Sensorvorrichtung

Also Published As

Publication number Publication date
AU1313901A (en) 2001-05-14
EP1234191A4 (fr) 2003-02-19
BR0015288A (pt) 2002-07-09
WO2001033245A1 (fr) 2001-05-10
EP1234191A1 (fr) 2002-08-28

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Legal Events

Date Code Title Description
FZDE Discontinued