Radar-operated collision avoidance system for roadway vehicles u

Details Radar-operated collision avoidance system for roadway vehicles u Radar-operated collision avoidance system for roadway vehicles u

1976-12-02

1978-02-07

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 902, B60T 1718

Patent

active

040729451

ABSTRACT:
A radar-operated collision avoidance system for a roadway vehicle comprises a radar device for sensing the vehicle speed relative to an object and its distance thereto to decide whether the vehicle is approaching the object at a dangerously high speed. A minimum allowable distance represented by a digital code is stored in a memory location within an array of rows and columns and read out in response to a sensed vehicle speed relative to the roadway and to a sensed magnitude of steering movement. The minimum allowable distance is compared with the distance sensed by the radar to determine that the decision is valid only when the latter is smaller than the former.

REFERENCES:
patent: 4011563 (1977-03-01), Robbi
patent: 4016566 (1977-04-01), Fujiki

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