Low-dazzle headlamp for a motor vehicle

Details Low-dazzle headlamp for a motor vehicle Low-dazzle headlamp for a motor vehicle

1994-04-25

1995-12-19

Lazarus, Ira S.

Illumination

Light source and modifier

Including reflector

362 61, 362294, 362345, 362346, F21V 720, B60Q 104

Patent

active

054774403

ABSTRACT:
A motor vehicle headlamp has a cover glass closing a reflector that contains a light source. The reflector comprises upper and lower portions joined through a reflective base. Its lower portion is reflective and/or diffusive, while its upper portion has reflective means which at least partly retransmit light from the source in a beam passing through the cover glass. The reflecting means comprise cylindro-elliptical or ellipsoidal Fresnel ribs which concentrate the reflected beam in a focal zone in front of the cover glass. The beam diverges beyond this focal zone.

REFERENCES:
patent: 1519318 (1924-12-01), Malcolm et al.
patent: 1660699 (1928-02-01), Wood
patent: 1702746 (1929-02-01), Prichard
patent: 4349866 (1982-09-01), Molnar
patent: 4555748 (1985-11-01), Bradley
patent: 4799131 (1989-01-01), Aho et al.
French Search Report, Jan. 6, 1994.

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