Communications: electrical – Land vehicle alarms or indicators – Of relative distance from an obstacle
Patent
1999-09-28
2000-12-19
Lefkowitz, Edward
Communications: electrical
Land vehicle alarms or indicators
Of relative distance from an obstacle
342 70, B60Q 100
Patent
active
06163252&
ABSTRACT:
A device for detecting obstacles, for use in vehicles, capable of correctly detecting obstacles without driving up the cost. the device includes a signal processing device 3 for detecting an obstacle Z based on reception signals A, B from a plurality of sensor devices 1, 2, wherein the signal processing device includes detection region-setting devices 31, 32 for dividing the region around the vehicle into a plurality of detection regions, probability-of-presence operation devices 33, 34 for operating the in-the-region presence probabilities P, Q of obstacle, a probability distribution operation device 35 for operating the in-the-region presence probabilities for each of the detection regions, and an obstacle detection device 36 for judging the regions S where the obstacles exist based on the in-the-region presence probabilities R in the distribution of presence probabilities, wherein the obstacle detection device judges detection regions exhibiting the in-the-region presence probabilities that are larger than a predetermined threshold value to be the regions where the obstacles exist among the in-the-region presence probabilities in the detection regions in the distribution of presence probabilities.
REFERENCES:
patent: 4103278 (1978-07-01), Satake et al.
patent: 5710565 (1998-01-01), Shirai et al.
patent: 5731779 (1998-03-01), Kikuchi
patent: 6018308 (2000-01-01), Shirai
patent: 6055042 (2000-04-01), Sarangapani
Lefkowitz Edward
Mitsubishi Denki & Kabushiki Kaisha
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