Shallow indicator light for a motor vehicle

Details Shallow indicator light for a motor vehicle Shallow indicator light for a motor vehicle

1987-12-23

1989-04-18

Lazarus, Ira S.

Illumination

Light modifier

Refractor

362296, 362297, 362299, 362336, 362337, 362339, F21V 1304

Patent

active

048232467

ABSTRACT:
An indicator light for a motor vehicle, the light being of the type comprising a substantially point light source (10) and a flat closure glass (20), situated in front of the source, together with beam-forming means for forming a beam of light rays (x'x) propagating along a given general emission direction of the light, said beam-forming means comprising: a generally flat or concave mirror (30) disposed behind the light source and comprising a set of stepped reflecting zones (32, 32, 33) inclined to reflect light rays from the source towards the glass; and a set of deflector zones (201, 202, 203) which are generally in the form of concentric rings on the glass, each zone being formed by a set of narrow prisms all having the same profile within each zone, said profile being designed as a function of the average direction respectively of direct rays and of reflected rays received by said zone.

REFERENCES:
patent: 2102975 (1937-12-01), Rolph
patent: 3283142 (1966-11-01), Freeman
patent: 3392277 (1968-07-01), Dawson
patent: 4120018 (1978-10-01), Nagel
patent: 4420800 (1983-12-01), VanHorn
patent: 4484254 (1984-11-01), Pucket et al.

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