Projector and Method for adjusting projective luminance thereof
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United States of America Patent
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Issued Date -
Sep 18, 2008
app pub date -
Oct 4, 2007
filing date -
Mar 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A projector includes a housing, a projecting module, a first luminance sensor, a second luminance sensor and a control module. The projecting module includes a light source for emitting light, a light valve for modulating the light into image light, and a projection lens for projecting the image light to a screen. The first luminance sensor senses the luminance of the image projected on the screen. The second luminance sensor senses the ambient luminance. The control module adjusts luminance of the light emitted from the light source according to sensed results of the two luminance sensors.
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