Illumination – Supported by vehicle structure – Light modifier
Patent
1998-05-20
2000-08-15
Spyrou, Cassandra
Illumination
Supported by vehicle structure
Light modifier
362516, 362522, 362309, 362348, F21V 1304
Patent
active
061025585
ABSTRACT:
A motor vehicle headlight comprising a light source, a reflector and a cover lens. The reflector generates a pre-formed light beam such that its modification by any optical elements on the cover lens is unnecessary. The cover lens receives, from at least a substantial part of the reflector, radiation having a mean angle of incidence in a horizontal plane which varies progressively with horizontal displacement over the cover lens. The cover lens includes a set of striations for lateral deflection of the light, with each striation having an individual angular distribution law which is determined by the orientation of the light from the reflector and by the lateral spreading characteristic of the striation. The spreading characteristics of the striations are determined in such a way that the aggregate angular distribution law of the different striations has a curve which is essentially flat.
REFERENCES:
patent: 4272801 (1981-06-01), Fratty
patent: 4481563 (1984-11-01), Snyder et al.
patent: 4545007 (1985-10-01), Nagel
patent: 4959757 (1990-09-01), Nakata
patent: 5215368 (1993-06-01), Neumann
patent: 5567044 (1996-10-01), Lopez
patent: 5902036 (1999-05-01), Serizawa et al.
French Search Report dated Jan. 30, 1998.
Jr. John Juba
Spyrou Cassandra
Valeo Vision
LandOfFree
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