Anticollision device, notably for motor vehicles

Details Anticollision device, notably for motor vehicles Anticollision device, notably for motor vehicles

1994-12-14

1996-07-09

Carone, Michael J.

Communications: directive radio wave systems and devices (e.g.,

Return signal controls external device

Radar mounted on and controls land vehicle

342107, G08G 116

Patent

active

055348700

ABSTRACT:
In an anticollision device, a moving object heading in a given direction along a movement vector and having a relative speed vector directed towards an obstacle is fitted out with at least two antennas sending out a microwave signal liable to be received by the obstacle. The device furthermore comprises reception means and means to analyze the echoes received from the obstacle, the analyzing means determining the variation with respect to time of the angle .theta. between the movement vector and the relative speed vector, a substantially zero variation of the angle .theta. indicating a risk of collision. Application to the equipment of motor vehicles to prevent collisions, notably in the event of poor visibility.

REFERENCES:
patent: 3134100 (1964-05-01), Lakatos
patent: 3798644 (1974-03-01), Constant
patent: 3922533 (1975-11-01), Royal
patent: 4027307 (1977-05-01), Litchford
patent: 4110754 (1978-08-01), Endo 342147

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