Emergency vehicle warning system and method
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United States of America Patent
Stats
-
May 26, 1998
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Jun 6, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system and method for alerting a driver of a motor vehicle of the approach of an emergency vehicle in an emergency state, comprising a transmitter in the emergency vehicle which produces and transmits a radio frequency signal having a unique audio encoded data signature modulated thereon when the emergency vehicle is in an emergency status, a receiver in motor vehicle which receives the radio frequency signal, demodulates and decodes the radio frequency signal and produces a voltage output when the data signature is present; and an alarm producing device which produces an alarm in response to the voltage output warning the driver of the motor vehicle of the approach of the emergency vehicle.
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