FR2358617A1 - Vehicle headlamp optical system - has grid of convergent parallel cylindrical lenses giving downward deflection of light rays - Google Patents

Vehicle headlamp optical system - has grid of convergent parallel cylindrical lenses giving downward deflection of light rays

Info

Publication number
FR2358617A1
FR2358617A1 FR7622016A FR7622016A FR2358617A1 FR 2358617 A1 FR2358617 A1 FR 2358617A1 FR 7622016 A FR7622016 A FR 7622016A FR 7622016 A FR7622016 A FR 7622016A FR 2358617 A1 FR2358617 A1 FR 2358617A1
Authority
FR
France
Prior art keywords
vehicle headlamp
grid
cylindrical lenses
optical system
parallel cylindrical
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.)
Granted
Application number
FR7622016A
Other languages
French (fr)
Other versions
FR2358617B3 (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.)
LUMPP ROLAND
Original Assignee
LUMPP ROLAND
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 LUMPP ROLAND filed Critical LUMPP ROLAND
Priority to FR7622016A priority Critical patent/FR2358617A1/en
Publication of FR2358617A1 publication Critical patent/FR2358617A1/en
Application granted granted Critical
Publication of FR2358617B3 publication Critical patent/FR2358617B3/fr
Granted 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The lighting equipment is particularly for use as a vehicle headlamp, having one or more optical grilles of transparent material in front of the light source. These each comprise convergent parallel cylindrical lenses (2), the lenses having in cross-section the same shape as circular lenses, but extending for some length. The thin edges of the lens elements (2) are all on the same side, so that the rays passing through them are deflected from the opposite side, so as not to inconvenience the user or any observer. This thin edges can be uppermost, so that the rays passing through are deflected downwards.
FR7622016A 1976-07-12 1976-07-12 Vehicle headlamp optical system - has grid of convergent parallel cylindrical lenses giving downward deflection of light rays Granted FR2358617A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7622016A FR2358617A1 (en) 1976-07-12 1976-07-12 Vehicle headlamp optical system - has grid of convergent parallel cylindrical lenses giving downward deflection of light rays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7622016A FR2358617A1 (en) 1976-07-12 1976-07-12 Vehicle headlamp optical system - has grid of convergent parallel cylindrical lenses giving downward deflection of light rays

Publications (2)

Publication Number Publication Date
FR2358617A1 true FR2358617A1 (en) 1978-02-10
FR2358617B3 FR2358617B3 (en) 1979-04-13

Family

ID=9175874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622016A Granted FR2358617A1 (en) 1976-07-12 1976-07-12 Vehicle headlamp optical system - has grid of convergent parallel cylindrical lenses giving downward deflection of light rays

Country Status (1)

Country Link
FR (1) FR2358617A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480404A1 (en) * 1980-04-12 1981-10-16 Bosch Gmbh Robert HEADLIGHT FOR MOTOR VEHICLES
WO1986000146A1 (en) * 1984-06-07 1986-01-03 Ernst Granström Ab Light diffusing lens
EP0432918A2 (en) * 1989-12-09 1991-06-19 Carello Lighting Plc Vehicle headlamp assembly
EP1281911A1 (en) * 2001-08-03 2003-02-05 Pierre Cibié Masking device for vehicle headlamps

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480404A1 (en) * 1980-04-12 1981-10-16 Bosch Gmbh Robert HEADLIGHT FOR MOTOR VEHICLES
WO1986000146A1 (en) * 1984-06-07 1986-01-03 Ernst Granström Ab Light diffusing lens
AU581670B2 (en) * 1984-06-07 1989-03-02 Ernst Granstrom A.B. Light diffusing lens
EP0432918A2 (en) * 1989-12-09 1991-06-19 Carello Lighting Plc Vehicle headlamp assembly
EP0432918A3 (en) * 1989-12-09 1992-04-08 Carello Lighting Plc Lamp assembly
EP1281911A1 (en) * 2001-08-03 2003-02-05 Pierre Cibié Masking device for vehicle headlamps
FR2828152A1 (en) * 2001-08-03 2003-02-07 Pierre Cibie DEVICE FOR MASKING LIGHTING PROJECTORS OF MOTOR VEHICLES

Also Published As

Publication number Publication date
FR2358617B3 (en) 1979-04-13

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Legal Events

Date Code Title Description
ST Notification of lapse