GB1435917A - Road vehicle rear signal lamp circuits - Google Patents

Road vehicle rear signal lamp circuits

Info

Publication number
GB1435917A
GB1435917A GB2281072A GB2281072A GB1435917A GB 1435917 A GB1435917 A GB 1435917A GB 2281072 A GB2281072 A GB 2281072A GB 2281072 A GB2281072 A GB 2281072A GB 1435917 A GB1435917 A GB 1435917A
Authority
GB
United Kingdom
Prior art keywords
lamps
switch
flasher
illuminated
lamp
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
GB2281072A
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical 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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Priority to GB2281072A priority Critical patent/GB1435917A/en
Priority to AU55422/73A priority patent/AU5542273A/en
Priority to IT4993873A priority patent/IT985031B/en
Priority to JP48054534A priority patent/JPS4956599A/ja
Priority to FR7317732A priority patent/FR2185314A5/fr
Priority to DE19732324640 priority patent/DE2324640A1/en
Priority to ES414779A priority patent/ES414779A1/en
Publication of GB1435917A publication Critical patent/GB1435917A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2603—Attenuation of the light according to ambient luminiosity, e.g. for braking or direction indicating lamps

Abstract

1435917 Road-vehicle signal lights LUCAS ELECTRICAL Ltd 4 May 1973 [16 May 1972 20 May 1972 5 Sept 1972] 22810/72 Heading G4Q In a road vehicle rear signal lamp circuit lamp dimming when the lights of the vehicle are on is achieved by supplying intermittent power to the lamp at a frequency such that the lamp appears to be continuously illuminated. In an embodiment incorporating a lighting switch 12, ignition switch 14, a conventional flasher unit 15, a direction-indicator switch 16, rear flasher lamps 19, 23, brake switch 26 and stop lamps 28 the operation is as follows: Switch 12 open.-No power is supplied to; a multivibrator 31, 32. When brake switch 26 closes a transistor 27 is saturated and lamps 28 are illuminated at full intensity and similarly for direction-indicator lamps. Switch 12 closed.-The multivibrator is energized and appropriate rear lamps appear to be illuminated continuously but at reduced intensity. It is arranged that the flashing rate is substantially constant. If a hazard warning switch (not shown) is operated to illuminate all flasher lamps simultaneously, lamps 19, 23 are at full intensity even when switch 12 is closed. It may be arranged that the stop lamps are dimmed by a different amount from the flasher lamps. A current-sensitive element may be included in series with transistor 27 to ensure that power is supplied continuously to lamps 28 until they are hot, and similarly for the flasher lamps.
GB2281072A 1972-05-16 1972-05-16 Road vehicle rear signal lamp circuits Expired GB1435917A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB2281072A GB1435917A (en) 1972-05-16 1972-05-16 Road vehicle rear signal lamp circuits
AU55422/73A AU5542273A (en) 1972-05-16 1973-05-08 Road vehicle rear signal lamp circuits
IT4993873A IT985031B (en) 1972-05-16 1973-05-14 ELECTRICAL SIGNALING CIRCUIT FOR MOTOR VEHICLES
JP48054534A JPS4956599A (en) 1972-05-16 1973-05-16
FR7317732A FR2185314A5 (en) 1972-05-16 1973-05-16
DE19732324640 DE2324640A1 (en) 1972-05-16 1973-05-16 REVERSE SIGNAL LIGHT SWITCH FOR A MOTOR VEHICLE
ES414779A ES414779A1 (en) 1972-05-16 1973-05-16 Road vehicle rear signal lamp circuits

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2281072A GB1435917A (en) 1972-05-16 1972-05-16 Road vehicle rear signal lamp circuits
GB2383972 1972-05-20
GB4106372 1972-09-05

Publications (1)

Publication Number Publication Date
GB1435917A true GB1435917A (en) 1976-05-19

Family

ID=27258141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2281072A Expired GB1435917A (en) 1972-05-16 1972-05-16 Road vehicle rear signal lamp circuits

Country Status (6)

Country Link
JP (1) JPS4956599A (en)
DE (1) DE2324640A1 (en)
ES (1) ES414779A1 (en)
FR (1) FR2185314A5 (en)
GB (1) GB1435917A (en)
IT (1) IT985031B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944526A1 (en) * 1979-11-03 1981-05-14 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen TURN SIGNALER FOR OPERATING A FLASH SYSTEM IN MOTOR VEHICLES
WO2008110879A1 (en) * 2007-03-15 2008-09-18 Luca Gurioli Method and device for controlling vehicles' rear fog lights

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729347B1 (en) * 1995-01-17 1997-04-18 Magneti Marelli France CONTROL CIRCUIT FOR VEHICLE LIGHT INDICATORS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944526A1 (en) * 1979-11-03 1981-05-14 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen TURN SIGNALER FOR OPERATING A FLASH SYSTEM IN MOTOR VEHICLES
WO2008110879A1 (en) * 2007-03-15 2008-09-18 Luca Gurioli Method and device for controlling vehicles' rear fog lights

Also Published As

Publication number Publication date
IT985031B (en) 1974-11-30
FR2185314A5 (en) 1973-12-28
DE2324640A1 (en) 1973-11-29
ES414779A1 (en) 1976-06-01
JPS4956599A (en) 1974-06-01

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Legal Events

Date Code Title Description
PS Patent sealed
48R Reference inserted (sect. 8/1949)
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee