Obstacle detection apparatus

Details Obstacle detection apparatus Obstacle detection apparatus

B - Operations, Transporting

60

W

B60W 30/08 (2006.01) G08B 21/00 (2006.01)

Patent

CA 2520065

An obstacle detection apparatus detects an obstacle to a vehicle by a sensor section including a transmitter which transmits a wave to a predetermined detection area, and a receiver which receives an echo of the wave reflected by the obstacle. The obstacle detection apparatus measures a distance to the obstacle from the output of the sensor section. A detection-distance change circuit changes predetermined detection distances in the maximum detection distance. Alarm means gives an alarm step by step in accordance with the detection distances.

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