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GB1508573A - Road vehicle headlamp levelling system - Google Patents

Road vehicle headlamp levelling system

Info

Publication number
GB1508573A
GB1508573A GB810974A GB810974A GB1508573A GB 1508573 A GB1508573 A GB 1508573A GB 810974 A GB810974 A GB 810974A GB 810974 A GB810974 A GB 810974A GB 1508573 A GB1508573 A GB 1508573A
Authority
GB
United Kingdom
Prior art keywords
lamps
head
angular position
vehicle
inductors
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
GB810974A
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 GB810974A priority Critical patent/GB1508573A/en
Publication of GB1508573A publication Critical patent/GB1508573A/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
    • B60Q1/06—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 adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—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 adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/10—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 adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution
    • B60Q1/115—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 adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution by electric means
    • 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
    • B60Q2300/10—Indexing codes relating to particular vehicle conditions
    • B60Q2300/13—Attitude of the vehicle body
    • B60Q2300/132—Pitch

Landscapes

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

Abstract

1508573 Automatic control LUCAS ELECTRICAL Ltd 1 April 1975 [22 Feb 1974] 8109/74 Heading G3N [Also in Divisions F3 and F4] In a system for automatically tilting vehicle head-lamps 15 about a horizontal axis in response to changes in attitude of a suspended part of the vehicle, the tilting is effected by a reversible electric motor 19 controlled by a control circuit to which the electrical outputs of at least two transducers are fed, one output being representative of the angular position of the head-lamps, the other the angular position of the suspended part of the vehicle relative to the road and being derived from inductors 13, 14 variable by movement of the front and rear suspensions respectively, said inductors being connected in series but varying in opposite senses to compensate for movements not involving changes in attitude. Head-lamps 15 are mounted on a common shaft to which crank 16 is fixed and output arm 17 of actuator 18 which tilts the head-lamps under the effect of motor 19 also indicates their angular position to provide a corresponding output from potentiometer 20, or from an inductive transducer Fig. 4 (not shown). The control system is shown schematically in Fig. 2, the circuitry being detailed in Figs. 3a, 3b (not shown).
GB810974A 1975-04-01 1975-04-01 Road vehicle headlamp levelling system Expired GB1508573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB810974A GB1508573A (en) 1975-04-01 1975-04-01 Road vehicle headlamp levelling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB810974A GB1508573A (en) 1975-04-01 1975-04-01 Road vehicle headlamp levelling system

Publications (1)

Publication Number Publication Date
GB1508573A true GB1508573A (en) 1978-04-26

Family

ID=9845950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB810974A Expired GB1508573A (en) 1975-04-01 1975-04-01 Road vehicle headlamp levelling system

Country Status (1)

Country Link
GB (1) GB1508573A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3303994A1 (en) * 1982-02-17 1983-08-25 Deutsche Itt Industries Gmbh, 7800 Freiburg POSITION MEASURING DEVICE
DE3500409A1 (en) * 1984-02-15 1985-08-22 Aisin Seiki K.K., Kariya, Aichi DEVICE FOR DRIVING AND CONTROLLING AN ADJUSTABLE HEADLAMP
EP0355539A2 (en) * 1988-08-18 1990-02-28 Hella KG Hueck & Co. Device and method for controlling the lighting distance or the level of a vehicle
FR2654687A1 (en) * 1989-11-22 1991-05-24 Valeo Electronique ELECTRICAL DEVICE FOR CONTROLLING THE ORIENTATION OF THE LIGHTING PROJECTORS OF A MOTOR VEHICLE.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3303994A1 (en) * 1982-02-17 1983-08-25 Deutsche Itt Industries Gmbh, 7800 Freiburg POSITION MEASURING DEVICE
DE3500409A1 (en) * 1984-02-15 1985-08-22 Aisin Seiki K.K., Kariya, Aichi DEVICE FOR DRIVING AND CONTROLLING AN ADJUSTABLE HEADLAMP
EP0355539A2 (en) * 1988-08-18 1990-02-28 Hella KG Hueck & Co. Device and method for controlling the lighting distance or the level of a vehicle
EP0355539A3 (en) * 1988-08-18 1990-08-16 Hella Kg Hueck & Co. Device and method for controlling the lighting distance or the level of a vehicle
FR2654687A1 (en) * 1989-11-22 1991-05-24 Valeo Electronique ELECTRICAL DEVICE FOR CONTROLLING THE ORIENTATION OF THE LIGHTING PROJECTORS OF A MOTOR VEHICLE.
EP0430760A1 (en) * 1989-11-22 1991-06-05 Valeo Electronique Device for controlling the displacement of a mobile organ, particularly the orientation of vehicle headlights

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee