Vehicle collision preventing apparatus

Details Vehicle collision preventing apparatus Vehicle collision preventing apparatus

1977-07-13

1979-03-27

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 904

Patent

active

041468910

ABSTRACT:
A vehicle collision preventing apparatus determines the danger by an output of a radar for detecting the distance to an obstacle and the relative velocity in a danger determining circuit wherein the distance to the obstacle and the relative velocity at the present are estimated from the data given before disappearing the data of the radar by an estimate arithmetic circuit when a signal reflecting from the obstacle reduces to be incapable of detecting the obstacle by the radar.

REFERENCES:
patent: 3420572 (1969-01-01), Bisland
patent: 3689882 (1972-09-01), Dessailly
patent: 3725921 (1973-04-01), Weidman et al.
patent: 4073359 (1978-02-01), Fujiki

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