Radar-operated vehicle safety apparatus

Details Radar-operated vehicle safety apparatus Radar-operated vehicle safety apparatus

1977-04-12

1978-06-27

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 942

Patent

active

040978648

ABSTRACT:
The apparatus of the invention comprises a radar device for measuring the range of an object and the vehicle speed relative to the object, and a vehicle speed sensor for measuring the vehicle roadway speed. A first computing circuit is provided to set up a first minimum distance allowed for the vehicle when approaching a stationary object and a second computing circuit for setting up a second minimum distance allowed for the vehicle approaching an object moving ahead of the vehicle. An alarm will be given either when the range of the stationary object reaches the first minimum distance or that of the moving object reaches the second minimum distance.

REFERENCES:
patent: 3420572 (1969-01-01), Bisland
patent: 3725921 (1973-04-01), Weidman et al.
patent: 3898652 (1975-08-01), Rashid
patent: 3952301 (1976-04-01), Sorkin

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