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US 5,684,474 AGranted
Collision avoidance detector
OwnerShmuel Gilon, Robert Zeliginventors
Life of this patent
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Abstract
A collision avoidance detector including a transceiver installed in a rear portion of a leading vehicle operative to transmit a signal to and receive a reflected signal from a trailing vehicle, a processor operative to process the signals and derive therefrom information concerning a safe distance criterion between the leading and trailing vehicles and an alarm device, wherein the processor actuates the alarm device if the safe distance criterion is not met.
Claims1
A method of collision avoidance comprising:
- transmitting a signal from a rear portion of a leading vehicle to a trailing vehicle;
- receiving a reflected signal from said trailing vehicle;
- processing said signals and deriving therefrom information concerning a safe distance criterion between said leading and trailing vehicles;
- and
- causing flashing illumination of brake lights of said leading vehicle if a first safe distance criterion is not met, and causing continuous illumination of said brake lights of said leading vehicle if a second safe distance criterion is not met.
2 more elements
Dependencies are inferred from the claim text.