Apparatus and method for controlling traffic signals using identification information having hierarchical structure
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United States of America Patent
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Feb 23, 2016
Grant Date -
May 22, 2014
app pub date -
Jul 2, 2012
filing date -
Aug 5, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Device and method of efficiently controlling a traffic light using identification information having a layered structure are provided. A traffic light control device that controls signal light change of a management-target traffic light includes: a broadcast signal receiving unit that receives a broadcast signal emitted from a traffic control center via a broadcast network, wherein the broadcast signal includes identification information having a layered structure and a control command; and a traffic light control unit that determines whether the management-target traffic light belongs to a target of the control command on the basis of the identification information having a layered structure and that outputs the control signal for performing the signal light change based on the control command only when the management-target traffic light belongs to the target of the control command.
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