Illumination apparatus
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United States of America Patent
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Mar 5, 2013
Grant Date -
Oct 28, 2010
app pub date -
Apr 21, 2010
filing date -
Apr 25, 2009
priority date (Note) -
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Abstract
A controllable light directional distributor for an illumination apparatus, and a method of manufacture of the same in which multiple elongate optical elements are arranged to provide controllable divergence angle from a light source with low divergence output angle.
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