ES408005A1 - Method and apparatus for turning vehicle lights on and off - Google Patents

Method and apparatus for turning vehicle lights on and off

Info

Publication number
ES408005A1
ES408005A1 ES408005A ES408005A ES408005A1 ES 408005 A1 ES408005 A1 ES 408005A1 ES 408005 A ES408005 A ES 408005A ES 408005 A ES408005 A ES 408005A ES 408005 A1 ES408005 A1 ES 408005A1
Authority
ES
Spain
Prior art keywords
external
windows
headlamps
essentially
way
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
ES408005A
Other languages
Spanish (es)
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.)
Saint Gobain Industries SA
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Industries SA
Compagnie de Saint Gobain SA
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 Saint Gobain Industries SA, Compagnie de Saint Gobain SA filed Critical Saint Gobain Industries SA
Publication of ES408005A1 publication Critical patent/ES408005A1/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
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • 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
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/052—Switching delay, i.e. the beam is not switched or changed instantaneously upon occurrence of a condition change
    • 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
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/30—Indexing codes relating to the vehicle environment
    • B60Q2300/31—Atmospheric conditions
    • B60Q2300/314—Ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

"Improvements to the devices for automatic switching on and off of external headlamps, in particular automobile headlamps", at the time of passage, one way or the other, of predetermined thresholds for the brightness of the external environment, carried out by at least one photosensitive element, which controls, by means of appropriate circuits, the supply of said headlights, characterized in that the said element or elements are exposed to external light indirectly and by means of an optical circuit comprising the cross sections of a sheet of glass, which is part of the windows or windows of the vehicle, in particular of the windshield itself, whose face facing outwards is impressed in an essentially uniform way, and essentially on its entire surface, by the energy light irradiated from the outside environment. (Machine-translation by Google Translate, not legally binding)
ES408005A 1971-10-27 1972-10-26 Method and apparatus for turning vehicle lights on and off Expired ES408005A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30416/71A IT939130B (en) 1971-10-27 1971-10-27 PERFECTED SYSTEM FOR AUTOMATIC SWITCHING ON AND OFF OF CAR EXTERIOR LIGHTS WITH INDIRECT EXCITATION PHOTOSENSITIVE ELEMENT

Publications (1)

Publication Number Publication Date
ES408005A1 true ES408005A1 (en) 1975-11-01

Family

ID=11229723

Family Applications (1)

Application Number Title Priority Date Filing Date
ES408005A Expired ES408005A1 (en) 1971-10-27 1972-10-26 Method and apparatus for turning vehicle lights on and off

Country Status (14)

Country Link
US (1) US3821593A (en)
AR (1) AR194136A1 (en)
AT (1) AT329386B (en)
AU (1) AU477076B2 (en)
BE (1) BE790603A (en)
BR (1) BR7207520D0 (en)
CA (1) CA988992A (en)
DE (1) DE2252914C3 (en)
ES (1) ES408005A1 (en)
FR (1) FR2157901B1 (en)
GB (1) GB1392998A (en)
IT (1) IT939130B (en)
NL (1) NL7214471A (en)
SE (1) SE389304B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052790A1 (en) 1997-05-21 1998-11-26 Javier Bruna Brotons Device for automatically switching on and off the lights of a vehicle and warning lights for road traffic

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610211B2 (en) * 1973-10-19 1981-03-06
EP0009414B1 (en) * 1978-09-25 1984-04-25 Raymond James Noack Apparatus and method for controlling windscreen wiper and windscreen washer apparatus of a vehicle
DE3409497A1 (en) * 1984-03-15 1985-09-19 Siegfried 6751 Krickenbach Gruber Device for automatically switching on and off the light system of a vehicle
FR2571320B1 (en) * 1984-10-04 1987-01-30 Saint Gobain Vitrage IMPROVED SHEET GLAZING WITH INCORPORATED PHOTOSENSITIVE ELEMENT AND AUTOMATIC LIGHTING AND EXTINGUISHING DEVICE OF LIGHTS OF A MOTOR VEHICLE INCLUDING APPLICATION
GB8915727D0 (en) * 1989-07-10 1989-08-31 Price Brendan J Electronic vehicle lights management system
US5051658A (en) * 1989-11-21 1991-09-24 U.S. Philips Corporation Electric high-pressure discharge lamp for use as a motor vehicle headlamp
US5517065A (en) * 1992-08-31 1996-05-14 Kover, Jr.; Joseph Automotive digital light control circuit with light bus monitor and windshield wiper light control circuit
US6049171A (en) † 1998-09-18 2000-04-11 Gentex Corporation Continuously variable headlamp control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1864624U (en) * 1962-08-10 1962-12-27 Detlef Schaffer MOTOR VEHICLE.
AT258140B (en) * 1965-12-13 1967-11-10 Stefan Jaworski Arrangement for controlling the city lights and taillights, possibly the parking lights of a motor vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052790A1 (en) 1997-05-21 1998-11-26 Javier Bruna Brotons Device for automatically switching on and off the lights of a vehicle and warning lights for road traffic

Also Published As

Publication number Publication date
FR2157901A1 (en) 1973-06-08
DE2252914B2 (en) 1981-01-15
IT939130B (en) 1973-02-10
AR194136A1 (en) 1973-06-22
GB1392998A (en) 1975-05-07
DE2252914A1 (en) 1973-05-03
AT329386B (en) 1976-05-10
DE2252914C3 (en) 1981-10-29
CA988992A (en) 1976-05-11
BE790603A (en) 1973-04-26
AU4800872A (en) 1974-04-26
ATA916172A (en) 1975-07-15
BR7207520D0 (en) 1973-08-21
FR2157901B1 (en) 1975-09-12
SE389304B (en) 1976-11-01
NL7214471A (en) 1973-05-02
AU477076B2 (en) 1976-10-14
US3821593A (en) 1974-06-28

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