Illumination systems employing corrective optics for use in reduced etendue color video projection systems
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United States of America Patent
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Jun 6, 2006
Issued Date -
N/A
app pub date -
Oct 1, 2003
filing date -
May 17, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An illumination system is provided with at least a first arc lamp positioned on the first axis of a first reflecting device. An aspherical corrector plate is positioned to receive the light rays produced by the arc lamp. The aspherical corrector plate is shaped so that it provides a substantially constant magnification of the arc as a function of the range of reflection angles of light rays off of the reflecting device.
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Cited Art Landscape
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