Motor vehicle headlamp of the elliptical type capable of...

Details Motor vehicle headlamp of the elliptical type capable of... Motor vehicle headlamp of the elliptical type capable of...

2005-03-15

2005-03-15

Husar, Stephen (Department: 2875)

Illumination

Supported by vehicle structure

Light modifier

C362S487000, C362S507000, C362S517000, C362S543000, C362S346000, C362S245000

Reexamination Certificate

active

06866408

ABSTRACT:
A motor vehicle headlamp comprises a light source, a reflector possessing first and second focal regions, and a converging lens. The source is located in the first focal region and the lens possesses a focus situated in the second focal region. The reflector and the lens have axes which are essentially coincident defining the optical axis of the headlamp. The headlamp is intended to generate a light beam exhibiting high intensity along the optical axis and a limited extension below the optical axis. A first area of the reflector extending in the vicinity of an axial vertical plane generates, in a focal plane of the lens, images of the source the center which is substantially offset with respect to the focus of the lens, while two second areas of the reflector located on either side of said first area generate, in the same focal plane, images of the source the centers of which pass close to or onto the focus of the lens.

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patent: 2704044 (1994-10-01), None
Patent Abstracts of Japan, vol. 014, No. 006(M-916), Jan. 9, 1989 and JP 01 255103A (Koito Mfg Co Ltd) Oct. 12, 1989.
French Search Report No. 15 Sep. 1999.

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