GB1308693A - Circuit arrangement for indicating the failure of a lamp - Google Patents

Circuit arrangement for indicating the failure of a lamp

Info

Publication number
GB1308693A
GB1308693A GB1596370A GB1596370A GB1308693A GB 1308693 A GB1308693 A GB 1308693A GB 1596370 A GB1596370 A GB 1596370A GB 1596370 A GB1596370 A GB 1596370A GB 1308693 A GB1308693 A GB 1308693A
Authority
GB
United Kingdom
Prior art keywords
lamp
lamps
bridge
transistor
limbs
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
GB1596370A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1308693A publication Critical patent/GB1308693A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q11/00Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
    • B60Q11/005Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00 for lighting devices, e.g. indicating if lamps are burning or not

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Emergency Alarm Devices (AREA)
GB1596370A 1969-04-08 1970-04-03 Circuit arrangement for indicating the failure of a lamp Expired GB1308693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU53156/69A AU440345B1 (en) 1969-04-08 1969-04-08 Circuit arrangements forthe indication of lamp failure

Publications (1)

Publication Number Publication Date
GB1308693A true GB1308693A (en) 1973-02-21

Family

ID=3739211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1596370A Expired GB1308693A (en) 1969-04-08 1970-04-03 Circuit arrangement for indicating the failure of a lamp

Country Status (7)

Country Link
US (1) US3660813A (enExample)
JP (1) JPS5111920B1 (enExample)
AU (1) AU440345B1 (enExample)
FR (1) FR2038320A1 (enExample)
GB (1) GB1308693A (enExample)
NL (1) NL7004877A (enExample)
SE (1) SE354238B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170068A (en) * 1985-01-11 1986-07-23 Hollingsworth Line break detector

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774188A (en) * 1972-03-24 1973-11-20 W Bial Electrical indicating circuits
US3925757A (en) * 1973-11-23 1975-12-09 Ideal Corp Turn signal system for positive indication of lamp failure
US4195281A (en) * 1977-03-21 1980-03-25 Essex Group, Inc. Lamp outage indicator circuit
US4190830A (en) * 1977-03-21 1980-02-26 Essex Group, Inc. Lamp outage indicator circuit
US4203058A (en) * 1978-08-25 1980-05-13 General Motors Corporation Failure detection circuit for dynamic braking system
GB2034948B (en) * 1978-11-13 1983-01-06 King G A Monitoring circuits more particularly for monitoring lamp circuits
DE3038464C2 (de) 1980-10-11 1983-03-31 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum Erkennen eines an ein Zugfahrzeug angekoppelten Anhängers
US4550303A (en) * 1984-04-05 1985-10-29 General Motors Corporation Lamp monitor with latch circuit
GB9426007D0 (en) * 1994-12-22 1995-02-22 Philips Electronics Uk Ltd A power semiconductor switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271736A (en) * 1963-08-30 1966-09-06 Richard J Brown Transistorized circuit condition warning device for vehicles
US3428943A (en) * 1966-01-10 1969-02-18 Bendix Corp Automobile turn signal with lamp failure indicator
US3422398A (en) * 1966-03-08 1969-01-14 Norman S Rubin Vehicle solid state alarm system
JPS448003Y1 (enExample) * 1966-10-31 1969-03-27
US3514751A (en) * 1966-12-09 1970-05-26 Grigsby Barton Inc Lamp outage indicating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170068A (en) * 1985-01-11 1986-07-23 Hollingsworth Line break detector

Also Published As

Publication number Publication date
AU440345B1 (en) 1971-01-28
SE354238B (enExample) 1973-03-05
US3660813A (en) 1972-05-02
DE2014921A1 (de) 1970-10-15
JPS5111920B1 (enExample) 1976-04-14
DE2014921B2 (de) 1976-08-26
NL7004877A (enExample) 1970-10-12
FR2038320A1 (enExample) 1971-01-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]