Communications: electrical – Land vehicle alarms or indicators – Of relative distance from an obstacle
Patent
1993-12-07
1997-10-21
Swarthout, Brent A.
Communications: electrical
Land vehicle alarms or indicators
Of relative distance from an obstacle
180169, 340903, 342 70, 364461, B60Q 100
Patent
active
056800975
ABSTRACT:
When information of an obstacle is not outputted from a radar device, a presumption device presumes at least a present value of a distance between a vehicle and the obstacle based on information in a memory part obtained until the time, and a contact-possibility judgment device judges a possibility of contact of the vehicle with the obstacle based on the information from the presumption device. A detection device is provided for detecting conditions at the time when the information of the obstacle is not outputted from the radar device, for example, a relation of relative position of the obstacle to the vehicle. Further, a restriction device is provided for restricting the presumption by the presumption device according to the relation of relative position. Thus, a possibility of contact of the vehicle with the obstacle running forward of the vehicle is appropriately judged and mis-operations of an alarm, an automatic braking and the like are prevented, while ensuring running safety.
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Adachi Tomohiko
Doi Ayumu
Morioka Satoshi
Niibe Tadayuki
Okuda Ken-ichi
Ferguson Jr. Gerald J.
Mazda Motor Corporation
Studebaker Donald R.
Swarthout Brent A.
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