Apparatus for collecting and transmitting light

Details Apparatus for collecting and transmitting light Apparatus for collecting and transmitting light

1994-04-08

1995-04-11

Lazarus, Ira S.

Illumination

Revolving

362302, 362304, 362347, F21V 800, F21V 709

Patent

active

054064627

ABSTRACT:
An apparatus includes a reflective surface for high efficiency collection, transmission and emission of light. Light collected by an ellipsoidal and hyperboloidal portion of the reflective surface is directed into a light guide. Additionally, a paraboloidal portion may be added and used in combination with a lens element to distribute the light reflected by the reflective surface in a beam pattern. When used as an emitter lens profile is smaller than the overall diameter of the reflective surface. When used as a collector, the reflective surface receives and concentrates light onto the end of a light pipe.

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patent: 4755918 (1988-07-01), Pristash et al.
patent: 4803601 (1989-02-01), Collot et al.
patent: 4851968 (1989-07-01), Nino
patent: 4883333 (1989-11-01), Yanez
patent: 4912605 (1990-03-01), Whitehead

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