Vehicle accurately detect an object in a lane of the radar equip

Details Vehicle accurately detect an object in a lane of the radar equip Vehicle accurately detect an object in a lane of the radar equip

1996-12-24

1998-04-28

Sotomayor, John B.

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

Return signal controls external device

Radar mounted on and controls land vehicle

342 71, 342158, 340903, 340435, 340436, G01S 1393

Patent

active

057450706

ABSTRACT:
A scan-type radar apparatus for a vehicle which determines with a high level of accuracy whether an object detected by the radar exists in the lane in which the radar equipped vehicle is moving while the radar equipped vehicle is moving in a curve. A scan-type radar detects objects existing in a detectable range. A center direction is assumed which indicates a center of each of the objects detected by the scan-type radar with respect to the vehicle based on a distance between the vehicle and each of the objects and a turning radius of the vehicle. A vehicle moving lane area is set within the detectable range. The vehicle moving lane area, which corresponds to a vehicle moving lane in which the vehicle is moving, extends on either side of the center direction with a predetermined angle range. An extent of the vehicle moving lane area is corrected so that an inner area of the vehicle moving lane area is increased when the vehicle is moving along a curve, the inner area being a portion of the vehicle moving lane area located on an inner side of the curve with respect to the center direction.

REFERENCES:
patent: 5579010 (1996-11-01), Iihoshi et al.
patent: 5585798 (1996-12-01), Yoshioka et al.
patent: 5670963 (1997-09-01), Kubota et al.
patent: 5680097 (1997-10-01), Uemura et al.
patent: 5684490 (1997-11-01), Young et al.
patent: 5689264 (1997-11-01), Ishikawa et al.

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