Illuminating device having a curved optical conductor
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United States of America Patent
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-
Nov 30, 1982
Issued Date -
N/A
app pub date -
Oct 16, 1980
filing date -
Dec 23, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An illuminating device for providing a light beam having a substantially uniform cross-sectional flux comprising a light source, an optical conductor, the optical conducting having an inlet and an outlet surface and a curved body portion therebetween, the curved body portion forming at least substantially a portion of a circular ring, optical means for directing light from the light source to the inlet surface of the optical conductor, and means affecting the flux of light arranged transversely and displaceable to the path of the light beam between the light source and the inlet side of the optical conductor whereby the optical conductor provides the uniform flux at the outlet surface.
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