Illumination – Revolving
Patent
1986-12-18
1989-02-07
Lazarus, Ira S.
Illumination
Revolving
362309, 362326, 362339, F21V 3300
Patent
active
048036080
ABSTRACT:
The invention provides a light comprising a lamp, a reflector or other means defining an optical axis close to which the major part of the emergent light is distributed and a lens system having one or more prisms formed on its nearer face to the lamp and adjacent an edge of the lens system arranged to trap light from the lamp and distribute it by total internal reflection through the material of said lens system so that it emerges from the edge at more than 100.degree. to the optical axis.
REFERENCES:
patent: 1676464 (1928-07-01), Ryan
patent: 3251987 (1966-05-01), Wince
patent: 4118763 (1978-10-01), Osteen
patent: 4559589 (1985-12-01), Sassmannshausen
Cornell Ronald S.
Cox D. M.
Duracell Inc.
Lazarus Ira S.
McVeigh James B.
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