Video billboard
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 18, 1997
Grant Date -
N/A
app pub date -
Nov 5, 1993
filing date -
Nov 5, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A video billboard 10 includes one or more projection units 12 utilizing a liquid crystal light valve projector 32 to project images onto a lenticulated lens screen 34. The types of images to be displayed, along with the time of day in which the images are to be displayed, are controlled from a remote master transmitter 24. A plurality of projection units 12(a-d) can be mounted together to provide an enlarged image display area.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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