Traffic light preemption management system
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United States of America Patent
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Jun 20, 2017
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N/A
app pub date -
Nov 4, 2011
filing date -
Nov 5, 2010
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Abstract
A method and system for managing a set of traffic lights at an intersection, measuring the Doppler Effect of a signal emitted by a vehicle, where such Doppler Effect being a function of the vehicle movement with respect to said intersection, and deciding as a function of such measure a new state for each traffic light at the intersection so as to facilitate passage of the approaching vehicle.
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