FR2682484B1 - Circuit electrique pour controler un element resistif. - Google Patents

Circuit electrique pour controler un element resistif.

Info

Publication number
FR2682484B1
FR2682484B1 FR9212114A FR9212114A FR2682484B1 FR 2682484 B1 FR2682484 B1 FR 2682484B1 FR 9212114 A FR9212114 A FR 9212114A FR 9212114 A FR9212114 A FR 9212114A FR 2682484 B1 FR2682484 B1 FR 2682484B1
Authority
FR
France
Prior art keywords
controlling
electrical circuit
resistive element
resistive
electrical
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
FR9212114A
Other languages
English (en)
Other versions
FR2682484A1 (fr
Inventor
David Ian Blain
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 Smiths Group PLC filed Critical Smiths Group PLC
Publication of FR2682484A1 publication Critical patent/FR2682484A1/fr
Application granted granted Critical
Publication of FR2682484B1 publication Critical patent/FR2682484B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829—Testing of circuits in sensor or actuator systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
FR9212114A 1991-10-10 1992-10-05 Circuit electrique pour controler un element resistif. Expired - Fee Related FR2682484B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919121506A GB9121506D0 (en) 1991-10-10 1991-10-10 Resistance monitors

Publications (2)

Publication Number Publication Date
FR2682484A1 FR2682484A1 (fr) 1993-04-16
FR2682484B1 true FR2682484B1 (fr) 1995-03-31

Family

ID=10702697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9212114A Expired - Fee Related FR2682484B1 (fr) 1991-10-10 1992-10-05 Circuit electrique pour controler un element resistif.

Country Status (3)

Country Link
US (1) US5382912A (fr)
FR (1) FR2682484B1 (fr)
GB (1) GB9121506D0 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481200A (en) * 1993-09-15 1996-01-02 Rosemont Inc. Field transmitter built-in test equipment
US7018800B2 (en) * 2003-08-07 2006-03-28 Rosemount Inc. Process device with quiescent current diagnostics
DE102008001832A1 (de) * 2008-05-16 2009-11-19 Endress + Hauser Flowtec Ag Messgerät mit einer Mess- und Betriebselektronik zur Überwachung eines Messsignals
TW200951665A (en) * 2008-06-06 2009-12-16 Richtek Technology Corp Sensing circuit and method for a flyback converter
RU2490596C1 (ru) * 2009-07-09 2013-08-20 Роузмаунт Инк. Измерительный преобразователь технологического параметра с диагностикой двухпроводного контура управления процессом
US10367612B2 (en) 2015-09-30 2019-07-30 Rosemount Inc. Process variable transmitter with self-learning loop diagnostics
US10413767B2 (en) * 2017-09-21 2019-09-17 The Boeing Company Squib circuit for fire protection system

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744236A (en) * 1954-06-18 1956-05-01 O D Scarborough Continuity tester for rocket motors
US3641430A (en) * 1970-03-12 1972-02-08 Williams Instruments Electrical contact test apparatus for testing the breech, or breech cap of a military aircraft ejection rack
US4020416A (en) * 1976-05-20 1977-04-26 Rca Corporation Method of detecting heater resistance independent of contact resistance
GB1596498A (en) * 1977-10-28 1981-08-26 Plessey Co Ltd Resistance measuring circuits
US4667149A (en) * 1983-05-31 1987-05-19 American Telephone And Telegraph Company, At&T Bell Laboratories Precision nondestructive testing of metals
DE3326956C2 (de) * 1983-07-27 1986-07-31 Georg Dr.-Ing. 1000 Berlin Bergmann Stromdifferenzschaltung zur Messung kleiner Widerstandsänderungen
GB2157837B (en) * 1984-04-16 1988-05-18 Mars Inc Circuit testing apparatus
CA1213940A (fr) * 1984-08-13 1986-11-12 C-I-L Inc. Ohmmetre a affichage numerique
DE3633790A1 (de) * 1986-10-03 1988-04-14 Endress Hauser Gmbh Co Anordnung zur aufbereitung der ausgangssignale einer widerstandsbruecke
DE3735900A1 (de) * 1987-10-23 1989-05-11 Audi Ag Verfahren zum messen eines widerstandswertes
JPH0735142B2 (ja) * 1988-05-24 1995-04-19 日本電装株式会社 車両用乗員保護システムのための故障判断装置
JPH0639245B2 (ja) * 1988-06-01 1994-05-25 日本電装株式会社 乗員保護装置の作動状態記録装置
JPH0742878Y2 (ja) * 1989-04-14 1995-10-04 日本精工株式会社 乗員保護装置の故障検出装置
JPH073289Y2 (ja) * 1989-04-22 1995-01-30 富士重工業株式会社 車両用コンビネーションメータ装置
JP2826839B2 (ja) * 1989-06-15 1998-11-18 アスコ株式会社 車輛用安全装置の制御回路
JPH0342352A (ja) * 1989-07-11 1991-02-22 Zexel Corp 車両用エアバック点火制御装置
JPH0669788B2 (ja) * 1989-07-21 1994-09-07 アスコ株式会社 車輌用安全装置
US4990884A (en) * 1989-12-12 1991-02-05 Trw Inc. Method and apparatus for testing an airbag restraint system
KR930011422B1 (ko) * 1989-12-20 1993-12-06 미쯔비시 덴끼 가부시기가이샤 고장 검출장치
JP2847426B2 (ja) * 1990-08-14 1999-01-20 アスコ株式会社 車輌用安全システムの作動チェック方法
JPH0450549U (fr) * 1990-09-05 1992-04-28
JPH0818529B2 (ja) * 1990-11-20 1996-02-28 三菱電機株式会社 乗員保護装置の故障検出装置
DE4101819A1 (de) * 1991-01-23 1992-07-30 Fraunhofer Ges Forschung Messvorrichtung zur elektrischen messung eines widerstandes sowie zugehoeriges messverfahren
US5136275A (en) * 1991-01-28 1992-08-04 Adrian Madau Ground connection monitoring for airbag electrical igniter circuit
JP2551255B2 (ja) * 1991-03-14 1996-11-06 日本電装株式会社 車両用乗員保護システムのための故障判定装置
US5140276A (en) * 1991-04-02 1992-08-18 Automation Technology, Inc. Armature connection resistance measuring method and apparatus
US5293153A (en) * 1991-04-09 1994-03-08 Trw, Inc. Method and apparatus for testing an airbag restraint system with parallel sensors

Also Published As

Publication number Publication date
US5382912A (en) 1995-01-17
FR2682484A1 (fr) 1993-04-16
GB9121506D0 (en) 1991-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse