PROJECTION APPARATUS
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United States of America Patent
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N/A
Issued Date -
May 31, 2012
app pub date -
Jun 29, 2011
filing date -
Nov 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A projection apparatus includes an illumination system, a light valve, a projection lens, and a first reflective unit. The illumination system provides an illumination light beam. The light valve is disposed on a transmission path of the illumination light beam and capable of converting the illumination light beam into an image light beam. The illumination light beam is transmitted to the light valve vertically. The projection lens is disposed on a transmission path of the image light beam. The first reflective unit disposed on the transmission path of the image light beam is located between the light valve and the projection lens. The first reflective unit is capable of reflecting the image light beam from the light valve to the projection lens. The image light beam reflected by the first reflective unit to the projection lens is perpendicular to the illumination light beam transmitted to the light valve.
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Cited Art Landscape
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