Illuminator

Details Illuminator Illuminator

2007-12-11

2007-12-11

Ward, John Anthony (Department: 2885)

Illumination

Light modifier

Reflector

C362S297000

Reexamination Certificate

active

11206017

ABSTRACT:
An illuminator includes a concave mirror to reflect incident light in a predetermined direction, an inner reflective mirror provided on an optical axis of the concave mirror and having a reflective surface at least one surface thereof, a light source installed on at least one surface of the inner reflective mirror to generate and illuminate light, and a retro-reflective mirror provided at a focal point of the light reflected from the concave mirror, or in a vicinity of the focal point, and having an aperture through which some of the light illuminated from the light source and reflected by the concave mirror passes and a retro-reflective surface to reflect remaining light not passing through the aperture back toward the concave mirror.

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patent: 2005/0052873 (2005-03-01), Sokolov
patent: 04-367837 (1992-12-01), None
patent: 2003-202523 (2003-07-01), None
patent: 2004-119364 (2004-04-01), None

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