Communications: electrical – External condition vehicle-mounted indicator or alarm – Transmitter in another vehicle
Patent
1997-11-24
1999-08-17
Hofsass, Jeffery A.
Communications: electrical
External condition vehicle-mounted indicator or alarm
Transmitter in another vehicle
340901, 340435, 340436, 180167, 180169, 342 70, 342 71, G08G 116
Patent
active
059400110
ABSTRACT:
A rear and side object detection system for a vehicle based on monolithic millimeter wave integrated circuit technology. A multiple antenna configuration is employed that defines six sensing regions to the right, left and the rear of the vehicle. A first sensing region is defined at the right side of the vehicle, a second sensing region is defined at the right side and rear of the vehicle and overlaps the first sensing region, a third sensing region and a fourth sensing region extend from the rear on both sides of the vehicle in the adjacent lanes, a fifth sensing region is defined at the left side of the vehicle and a sixth sensing region is defined at the left side and rear of the vehicle and overlaps the second and fifth sensing regions. A right side warning signal is issued if an object is detected in a right side detection zone defined by the first sensing region or a portion of the second sensing region that does not overlap the third or sixth sensing regions. Likewise, a left side warning signal is issued if an object is detected in a left side detection zone defined by the fifth region and a portion of the sixth sensing region that does not overlap the second or fourth sensing regions. A back-up warning signal is issued if an object is detected in an overlap region between the second and sixth sensing regions.
REFERENCES:
patent: 4349823 (1982-09-01), Tagami
patent: 5008678 (1991-04-01), Herman
Automotive Radar: A brief review, Dale M. Grimes, Proceedings of the IEEE, vol. 62, No. 6, Jun. 1974.
Agravante Hiroshi H.
Hauss Bruce I.
Moffa Philip J.
Hofsass Jeffery A.
Lieu Julie B.
TRW Inc.
Yatsko Michael S.
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