PROJECTION APPARATUS
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United States of America Patent
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Issued Date -
Oct 16, 2014
app pub date -
Dec 12, 2013
filing date -
Apr 10, 2013
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Abstract
A projection apparatus includes a casing with an opening, a light-emitting unit in the casing and emitting a first projection beam, and a reflective component in the casing and on a transmission path of the first projection beam. The first projection beam reflected by the reflective component becomes a second projection beam projected out via the opening along a projection direction. The light-emitting unit includes a projection lens with an optical axis between a center of the reflective component and the opening of the casing.
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