Backprojection transparency viewer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 12, 2001
Grant Date -
N/A
app pub date -
Jul 9, 1999
filing date -
Jan 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A viewbox comprising: a faceplate adapted for mounting a transparency thereon; a light modulator comprising a plurality of light valves which modulates light to form a light pattern; and a projector which projects the modulated light pattern onto the back of the faceplate, such that the faceplate is back-lighted with a scaled version of the light pattern, wherein each light-valve of said plurality of light-valves corresponds to a pixel in the light pattern and wherein neighboring pixels have an overlap of at least 30%.
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