Adaptive illumination modulator
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United States of America Patent
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Feb 22, 2005
Grant Date -
Jun 24, 2004
app pub date -
Dec 20, 2002
filing date -
Dec 20, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An image display system includes a light source capable of generating an illumination light beam along an illumination path. The system also includes a modulator operable to receive at least a portion of the illumination light beam and to selectively communicate at least some of the illumination light beam received by the modulator along a projection light path. The system further includes at least one adjustable illumination aperture operable to selectively control an amount of the at least a portion of the illumination light beam received by the modulator based at least in part on image data.
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