Ultrasonic distance detector for vehicles

Details Ultrasonic distance detector for vehicles Ultrasonic distance detector for vehicles

1975-08-05

1977-03-29

Farley, Richard A.

Communications: electrical

Selective

340 32, 340 38S, 343112CA, G01S 966

Patent

active

040152324

ABSTRACT:
An ultrasonic distance detector for vehicles using a plurality of transducers located around the sides of the vehicle and connected to transmitters for sending sonic pulses to distant objects. Each of the transducers is connected to a receiver for detecting sonic echoes from too close objects. The output of each receiver is connected to individual indicator lamps and a warning device so that if any of the lamps are energized, the driver is warned that a part of the vehicle is in danger of a collision. The front and rear transducers are separated from the side transducers so that there can be an independent measurement dependent upon the speed of the vehicle.

REFERENCES:
patent: 2974304 (1961-03-01), Nordlund
patent: 3842397 (1974-10-01), Sindle

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