Apparatus and a method for illuminating a light-sensitive medium
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United States of America Patent
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Mar 8, 2011
Grant Date -
Oct 23, 2008
app pub date -
Apr 10, 2008
filing date -
Apr 14, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an illumination unit for point illumination of a medium comprising a plurality of light emitters in the form of light guides, which are arranged to illuminate at least one illumination face via a light valve arrangement, said light valve arrangement comprising a plurality of electrically controlled light valves, at least one of the light emitters (1) being arranged to illuminate a plurality of light valves.
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