Method of making a mirror for a vehicle signalling or lighting d

Details Method of making a mirror for a vehicle signalling or lighting d Method of making a mirror for a vehicle signalling or lighting d

1993-07-26

1995-09-19

Husar, Stephen F.

Illumination

Light source and modifier

Including reflector

362 61, 362346, F21V 700

Patent

active

054521912

ABSTRACT:
In a method of manufacturing a flux-recovering mirror for a motor vehicle signaling or lighting device a base reflecting surface is provided. Mutually spaced apart base points are distributed in at least one zone of the surface. A randomly determined correcting offset is attributed to each base point so that each base point is associated with a corrected point situated on the normal to the base surface at said base point and located at a random distance from said base point. A corrected smooth surface passing through the corrected points is thus defined in the zone to form a mirror whose reflecting surface in said zone is constituted by said correcting smooth surface. The invention also relates to a headlight fitted with a mirror having properties of distributing images randomly. The invention is also applicable to making light beams more uniform.

REFERENCES:
patent: 4481563 (1984-11-01), Snyder et al.
patent: 4495552 (1985-01-01), Graff

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