Reflector using fresnel-type structures having a plurality of ac

Details Reflector using fresnel-type structures having a plurality of ac Reflector using fresnel-type structures having a plurality of ac

1988-05-10

1991-01-29

Husar, Stephen F.

Illumination

Light modifier

Reflector

362327, 362297, 362 61, 350613, F21V 700

Patent

active

049891251

ABSTRACT:
A reflector has a plurality of Fresnel-type structures, wherein at least some of said Fresnel-type structures have a plurality of active faces, for reflecting light in a plurality of directions.

REFERENCES:
patent: 1554315 (1925-09-01), White
patent: 2421277 (1947-05-01), Luce
patent: 3710095 (1973-01-01), Donohue et al.
patent: 4041306 (1977-08-01), Compton et al.
patent: 4360863 (1982-11-01), Barnes et al.
patent: 4655546 (1987-04-01), Noiasaka et al.
patent: 4680679 (1987-07-01), Dilouya
patent: 4704661 (1987-11-01), Kosmatka

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