Advanced accessible pedestrian system for signalized traffic intersections
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United States of America Patent
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Aug 5, 2014
Grant Date -
Jun 23, 2011
app pub date -
Aug 19, 2009
filing date -
Aug 19, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Pedestrian call systems with bidirectional communication between pedestrian call stations and traffic controllers are arranged so as to detect system errors. Communications can be provided over power conductors, and systems can be configured and monitored using a web browser. In one example, traffic systems are provided with Ethernet interfaces that can be used for bidirectional communication over power lines.
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