Backprojection transparency viewer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 30, 2001
Grant Date -
N/A
app pub date -
Dec 17, 1997
filing date -
Jun 21, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of transparency viewing, including: placing a transparency at a viewing surface, forming a light pattern and projecting the light pattern to back-illuminate the transparency. Preferably, the light pattern is formed by spatially modulating a beam of light using a plurality of light valves.
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Cited Art Landscape
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