Emissive highway markers
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United States of America Patent
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-
Sep 25, 2007
Grant Date -
Sep 8, 2005
app pub date -
Sep 22, 2004
filing date -
Mar 7, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A highway marker and vehicle mounted detection system in which the highway marker includes LEDs of different colors that can be selected under different conditions, and non-visible light LEDs for transmitting information to passing vehicles and between highway markers.
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Cited Art Landscape
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