Incursion collision avoidance system for vehicle traffic control
First Claim
1. A system to identify restricted areas to approaching vehicles, comprising a warning signal generator adapted to transmit said warning signal into areas traversed by said vehicles approaching said restricted area, a receiver in each of said vehicles to receive said transmitted warning signals when said vehicle approaches one of said restricted areas, and an alarm responsive to said warning signal to produce an alarm signal detectable by a vehicle operator.
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Accused Products
Abstract
A system to identify junctions of restricted areas to approaching vehicles, including at least one warning signal generator adapted to transmit the warning signal into areas traversed by the vehicles approaching the restricted areas, a receiver in each of the vehicles receiving the transmitted warning signals when the vehicle approaches one of the restricted areas, and an alarm responsive to the warning signal, which produces an alarm signal detectable by a vehicle operator.
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Citations
20 Claims
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1. A system to identify restricted areas to approaching vehicles, comprising
a warning signal generator adapted to transmit said warning signal into areas traversed by said vehicles approaching said restricted area, a receiver in each of said vehicles to receive said transmitted warning signals when said vehicle approaches one of said restricted areas, and an alarm responsive to said warning signal to produce an alarm signal detectable by a vehicle operator.
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10. A method of identifying restricted areas to approaching vehicles, comprising
transmitting a warning signal, receiving said warning signal by said vehicles when said vehicle approaches one of said restricted areas, recording said warning signal in a data voice recorder in said vehicle, and producing an alarm signal in response to said warning signal.
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18. A method of identifying restricted areas to approaching vehicles, comprising
generating a warning signal, transmitting said warning signal through a buried inductive cable extending around at least a portion of said restricted area, to said vehicle, receiving said warning signal by said vehicles when said vehicle approaches one of said restricted areas, recording said warning signal in a data voice recorder in said vehicle, and producing an alarm signal in response to said warning signal.
Specification