Variable message sign control system
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United States of America Patent
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N/A
Issued Date -
May 8, 2008
app pub date -
Nov 6, 2006
filing date -
Nov 6, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A variable message sign control system has a number of variable message signs. The variable messages signs are coupled by local communication links to a sign controller. This single sign controller takes the place of multiple sign controllers in previous designs.
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