Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Patent
1999-04-06
2000-11-28
Lobo, Ian J.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
342 70, 342455, 340903, 701 96, G01S 1393, B60K 3100
Patent
active
061541680
ABSTRACT:
In automatic velocity controlling apparatus and method for an automotive vehicle, an inter-vehicle distance detector is provided for detecting an inter-vehicle distance from the vehicle to another vehicle which is running at the detected inter-vehicle distance with respect to the vehicle. A vehicular running controller is provided for effecting a vehicular running control such that the vehicle follows up the other vehicle maintaining the inter-vehicle distance to the other vehicle at a predetermined inter-vehicle distance. An inter-vehicle distance determinator is provided for determining whether the inter-vehicle distance detector transfers from a first state in which the inter-vehicle distance to the other vehicle is detected to a second state in which the inter-vehicle distance to the other vehicle is undetected. A deceleration controlled state determinator is provided for determining whether the vehicle is in a deceleration controlled state when the inter-vehicle distance determinator determines that the vehicle has transferred from the first state to the second state. A deceleration keep command generator is provided for generating and outputting a vehicular deceleration keep command to the vehicular running controller to maintain a vehicular deceleration at a value which is immediately before the inter-vehicle distance determinator determines that the inter-vehicle distance detector has transferred from the first state to the second state when the deceleration controlled state determinator determines that the vehicle is in the deceleration controlled state.
REFERENCES:
patent: 4703429 (1987-10-01), Sakata
patent: 5710565 (1998-01-01), Shirai et al.
patent: 5977869 (1999-11-01), Andreas
patent: 5978731 (1999-11-01), Matsuda
Egawa Kenichi
Tange Satoshi
Lobo Ian J.
Nissan Motor Co,. Ltd.
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