Vehicle collision alert system

Details Vehicle collision alert system Vehicle collision alert system

1992-07-10

1994-10-11

Peng, John K.

Communications: electrical

Land vehicle alarms or indicators

Of relative distance from an obstacle

340436, 340903, 348148, B60Q 126

Patent

active

053551184

ABSTRACT:
An apparatus for deciding an excessive approach of a vehicle to an object in front of the vehicle. The excessive approach decision apparatus comprises a normalized time rate of change detector for determining a normalized time rate of change of a visual angle for the object as viewed from the vehicle. An excessive approach is indicated based upon the determined normalized time rate.

REFERENCES:
patent: 3689882 (1972-09-01), Dessailly
patent: 4095666 (1978-06-01), Baba et al.
patent: 4257703 (1981-03-01), Goodrich
patent: 4931937 (1990-06-01), Kakinami et al.
"Automobile Collision Avoidance Radar", Nissan Technical Journal, No. 18, 1982, pp. 106-112.

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