Smooth headlight glass, in particular for a motor vehicle, and a

Details Smooth headlight glass, in particular for a motor vehicle, and a Smooth headlight glass, in particular for a motor vehicle, and a

1994-09-23

1996-10-22

Gromada, Denise L.

Illumination

Light modifier

Reflector

362 61, 362297, 362346, 264 25, F21V 710

Patent

active

055670440

ABSTRACT:
The headlight comprises a light source, a reflector having a base surface that is selected to form images of the source in a determined distribution in a lighting direction that is axial and horizontal, and a closure glass. According to the invention, the closure glass is essentially free from deflecting stripes and the reflector includes, over at least a portion of its surface, a plurality of zones in which said base surface is replaced by substitution surfaces of outlines defined by projecting a plane array of polygonal zones onto the base surface, the plane array being defined as a function of a predetermined distribution of light flux. The array of zones corresponds to the array that would have been obtained if it had been an array of stripe zones formed on the closure glass, and the differential offset in a horizontal plane between the base surface and each substitution surface corresponds to the profile that the corresponding stripe would have had if it had been formed on the closure glass.

REFERENCES:
patent: 1732884 (1929-10-01), Foster
patent: 2999924 (1961-09-01), Mottier et al.
patent: 3511983 (1970-05-01), Dorman
patent: 4087682 (1978-05-01), Kolodziej
patent: 5171082 (1992-12-01), Watanabe

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