Speed-sensitive rear obstacle detection and avoidance system

Details Speed-sensitive rear obstacle detection and avoidance system Speed-sensitive rear obstacle detection and avoidance system

2008-05-20

2008-05-20

Goins, Davetta W. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of relative distance from an obstacle

C702S150000

Reexamination Certificate

active

07375620

ABSTRACT:
A rear obstacle detection and avoidance system for use on a vehicle comprises a rear obstacle detector that is coupled to the vehicle and measures the distance between the vehicle and an obstacle substantially to the vehicle's rear, a speed sensor that determines vehicle speed, an alert generator that notifies an occupant of the vehicle of a rear obstacle, and a processor that is coupled to the rear obstacle detector, the speed sensor, and the alert generator. The processor causes the generation of a first alert when the vehicle's speed is less than a threshold speed and the distance between the vehicle and an obstacle substantially to the vehicle's rear is less than a first distance determined in accordance with a first function of speed vs. distance. Additionally, the processor causes the generation of a second alert when the vehicle's speed is greater than the threshold speed and the distance between the vehicle and an obstacle substantially to the vehicle's rear is less than a second distance determined in accordance with second function of speed vs. distance.

REFERENCES:
patent: 5635922 (1997-06-01), Cho et al.
patent: 6594614 (2003-07-01), Studt et al.
patent: 7027920 (2006-04-01), Madau
patent: 2005/0107955 (2005-05-01), Isaji et al.
patent: 2006/0250224 (2006-11-01), Steffel et al.

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