GB1195845A - Lighting System for Road Vehicles - Google Patents

Lighting System for Road Vehicles

Info

Publication number
GB1195845A
GB1195845A GB40308/66A GB4030866A GB1195845A GB 1195845 A GB1195845 A GB 1195845A GB 40308/66 A GB40308/66 A GB 40308/66A GB 4030866 A GB4030866 A GB 4030866A GB 1195845 A GB1195845 A GB 1195845A
Authority
GB
United Kingdom
Prior art keywords
photo
aperture
cell
shutter
projected
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
GB40308/66A
Inventor
Kenneth James Jones
Harris Vernon Hicks
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas 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
Priority claimed from GB39751/64A external-priority patent/GB1098608A/en
Application filed by Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB40308/66A priority Critical patent/GB1195845A/en
Priority to FR120374A priority patent/FR93375E/en
Publication of GB1195845A publication Critical patent/GB1195845A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/686—Blades, i.e. screens moving in a vertical plane

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

1,195,845. Lamps. JOSEPH LUCAS (INDUSTRIES) Ltd. 4 Sept., 1967 [9 Sept., 1966], No. 40308/66. Addition to 1,098,608. Heading F4R. [Also in Division G1] In the vehicle headlamp dipping system of the parent Specification, where a photo-cell receiving light from an oncoming vehicle controls the movement of a shutter across an aperture through which the headlamp beam is projected, the shutter may be moved by a vacuum unit instead of the moving coil arrangement and additionally or alternatively the shutter may be mounted upon a rod movable longitudinally in the plane of the aperture. In one arrangement (Fig. 5), shutters 18 and 27, covering respectively the aperture 15 through which the headlamp beam is projected and the aperture 22 through which the oncoming vehicle's light is received by the photocell, are mounted upon a rod 29 hinged by arms 38, 39 for longitudinal movement. The output of the photo-cell operates a vacuum unit deriving its vacuum from the vehicle engine's inlet manifold to position the shutters in accordance with the direction of the oncoming light. In another arrangement (Fig. 1 not shown), the rod is carried by two leaf springs and moved longitudinally by a strap attached to a wheel fixed to a moving coil receiving the photo-cell output. Frequencies to which the photo-cell is most sensitive are removed from the projected beam by a filter or dichroic mirror focusing the beam.
GB40308/66A 1964-09-30 1966-09-09 Lighting System for Road Vehicles Expired GB1195845A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB40308/66A GB1195845A (en) 1964-09-30 1966-09-09 Lighting System for Road Vehicles
FR120374A FR93375E (en) 1964-09-30 1967-09-08 Lighting device for road vehicle.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB39751/64A GB1098608A (en) 1964-09-30 1964-09-30 Lighting systems for road vehicles
GB5991465 1965-12-28
GB40308/66A GB1195845A (en) 1964-09-30 1966-09-09 Lighting System for Road Vehicles

Publications (1)

Publication Number Publication Date
GB1195845A true GB1195845A (en) 1970-06-24

Family

ID=39111325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40308/66A Expired GB1195845A (en) 1964-09-30 1966-09-09 Lighting System for Road Vehicles

Country Status (2)

Country Link
FR (1) FR93375E (en)
GB (1) GB1195845A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707869A2 (en) * 2000-12-05 2006-10-04 Stanley Electric Co., Ltd. Vehicle headlight with a movable shutter portion for varying the light distribution pattern of the vehicle.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707869A2 (en) * 2000-12-05 2006-10-04 Stanley Electric Co., Ltd. Vehicle headlight with a movable shutter portion for varying the light distribution pattern of the vehicle.
EP1707869A3 (en) * 2000-12-05 2006-10-11 Stanley Electric Co., Ltd. Vehicle headlight with a movable shutter portion for varying the light distribution pattern of the vehicle.

Also Published As

Publication number Publication date
FR93375E (en) 1969-03-21

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees