Apparatus for selective control of intensity and filtering of illumination
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United States of America Patent
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Issued Date -
Mar 1, 2007
app pub date -
Aug 25, 2005
filing date -
Aug 25, 2005
priority date (Note) -
Abandoned
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Abstract
A device for selectively controlling illumination from a source that emits illumination along an optical path toward an output has an intensity control apparatus for selectively controlling the intensity of illumination at the output; a filter adapted to be selectively disposed in the optical path; and a unitary mechanical user input for controlling the intensity control apparatus and for, when the intensity is at a maximum, permitting selective disposition of the filter in the optical path.
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