GB1390126A - Combination of a failure check circuit and a circuit to be checked - Google Patents

Combination of a failure check circuit and a circuit to be checked

Info

Publication number
GB1390126A
GB1390126A GB1415572A GB1415572A GB1390126A GB 1390126 A GB1390126 A GB 1390126A GB 1415572 A GB1415572 A GB 1415572A GB 1415572 A GB1415572 A GB 1415572A GB 1390126 A GB1390126 A GB 1390126A
Authority
GB
United Kingdom
Prior art keywords
resistors
checks
resistor
common point
test pulses
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
Application number
GB1415572A
Other languages
English (en)
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.)
Hitachi Ltd
Nissan Motor Co Ltd
Original Assignee
Hitachi Ltd
Nissan Motor Co 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 Hitachi Ltd, Nissan Motor Co Ltd filed Critical Hitachi Ltd
Publication of GB1390126A publication Critical patent/GB1390126A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/017—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including arrangements for providing electric power to safety arrangements or their actuating means, e.g. to pyrotechnic fuses or electro-mechanic valves
    • B60R21/0173—Diagnostic or recording means therefor
    • B60R21/0176—Diagnostic or recording means therefor for firing circuits using only mechanical switches as collision detecting means, in series with pyrotechnic fuses
    • 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
    • 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
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • 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
    • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
    • G01R31/2836—Fault-finding or characterising

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
GB1415572A 1971-03-26 1972-03-27 Combination of a failure check circuit and a circuit to be checked Expired GB1390126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1722271A JPS5616479B1 (cg-RX-API-DMAC7.html) 1971-03-26 1971-03-26

Publications (1)

Publication Number Publication Date
GB1390126A true GB1390126A (en) 1975-04-09

Family

ID=11937902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1415572A Expired GB1390126A (en) 1971-03-26 1972-03-27 Combination of a failure check circuit and a circuit to be checked

Country Status (7)

Country Link
US (1) US3803569A (cg-RX-API-DMAC7.html)
JP (1) JPS5616479B1 (cg-RX-API-DMAC7.html)
AU (1) AU442040B2 (cg-RX-API-DMAC7.html)
CA (1) CA969619A (cg-RX-API-DMAC7.html)
DE (1) DE2213977C3 (cg-RX-API-DMAC7.html)
FR (1) FR2130694B1 (cg-RX-API-DMAC7.html)
GB (1) GB1390126A (cg-RX-API-DMAC7.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007713A (en) * 1975-08-28 1977-02-15 Hydrolevel Corporation Test circuit
US4041374A (en) * 1976-03-15 1977-08-09 Rca Corporation Interelectrode open and short circuit tester
DE2808872C2 (de) * 1978-03-02 1986-01-23 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Auslöseschaltung für eine Insassenschutzeinrichtung in Kraftfahrzeugen
WO1983003142A1 (en) * 1982-03-08 1983-09-15 Stephen Robert Laughlin A circuit arrangement for enabling simultaneous operation of independent ac circuits
DE8816606U1 (de) * 1988-03-22 1989-12-28 Robert Bosch Gmbh, 70469 Stuttgart Elektronische Einrichtung
JPH0753499B2 (ja) * 1988-05-12 1995-06-07 三菱電機株式会社 エアバッグ装置の故障検出装置
FR2632218A1 (fr) * 1988-06-03 1989-12-08 Lacoste Jean Procede de sertissage de pieces metalliques utilisant le formage par pression magnetique et articles issus de la mise en oeuvre du procede
DE3831335C1 (en) * 1988-09-15 1990-01-11 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De Trigger circuit for a device for protecting occupants of a vehicle
US4956631A (en) * 1989-03-20 1990-09-11 Mitsubishi Denki Kabushiki Kaisha Fault detector for vehicle safety system
KR102755524B1 (ko) * 2022-08-05 2025-01-14 고려대학교 산학협력단 수분흡수능력 및 기체투과도가 우수한 박테리아 셀룰로오스 및 이의 제조방법

Also Published As

Publication number Publication date
JPS5616479B1 (cg-RX-API-DMAC7.html) 1981-04-16
DE2213977C3 (de) 1975-07-17
DE2213977B2 (de) 1974-12-05
AU442040B2 (en) 1973-11-15
US3803569A (en) 1974-04-09
DE2213977A1 (de) 1972-11-23
AU4041172A (en) 1973-11-15
CA969619A (en) 1975-06-17
FR2130694A1 (cg-RX-API-DMAC7.html) 1972-11-03
FR2130694B1 (cg-RX-API-DMAC7.html) 1978-07-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years