Light fixture providing normalized output

Details Light fixture providing normalized output Light fixture providing normalized output

1987-05-26

1988-12-13

Lazarus, Ira S.

Illumination

Light modifier

Refractor

362 97, 362309, 362 31, 362 33, F21V 502

Patent

active

047915404

ABSTRACT:
A light fixture providing normalized output. An undirected light source is located in an optical cavity having an optical window. A film with a smooth surface and a structured surface is placed in the optical window with the smooth surface facing the interior of the optical cavity. The structured surface has a plurality of triangular prisms thereon.

REFERENCES:
patent: 2016467 (1935-10-01), Von Toll
patent: 2050429 (1936-08-01), Dorey et al.
patent: 3532876 (1970-10-01), Muller et al.
patent: 4223651 (1980-11-01), Fabbri
patent: 4460942 (1984-07-01), Pizzuti et al.

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