Color projection system incorporating electro-optic light modulator and rotating light-transmissive element
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United States of America Patent
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Mar 26, 2002
Grant Date -
N/A
app pub date -
Mar 20, 2000
filing date -
Mar 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A color projection display system, comprising a rotatable color drum with transmissive segments on the surface of the drum, the segments composed of dichroic filters having different color transmission bands, a cylindrical lens mounted co-axially inside the drum, and means for focussing images of the boundaries between segments onto an electro-optical light modulator panel, whereby in operation the segment images are scrolled across the surface of the light modulator panel, synchronously with the application of color components of a display signal corresponding to the colors of the scrolling segment images, to produce a full color display image for projection to a viewing screen.
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