| 摘要 |
A system of dedicated channel FM devices for unobstructing the path of emergency vehicles resulting in increased response times and safety. The devices include a small radio receiver in a passenger vehicle and/or in a traffic light fixture that actuates an intermittent warning light when it receives an appropriate signal from a transmitter in an emergency vehicle. The small radio transmitter on or in the emergency vehicle is automatically actuated by the use of the siren in the emergency vehicle.
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