| 摘要 |
PROBLEM TO BE SOLVED: To appropriately notify a driver of an action to be performed with respect to an obstacle existing ahead, and to issue a natural warning without annoying the driver by quickly releasing warning in a proper timing after the driver performs the action in response to the warning. SOLUTION: A control unit 4 sets a risk Riski ahead a vehicle, and extracts an obstacle based on the set risk Riski, and when the risk Riskt of the obstacle exceeds a predetermined value Riskc, creates a warning sound whose sound image orientation changes to a direction where the obstacle exists from the direction (the direction of the face) that the driver looks, and outputs a signal to a speaker system 5 to issue a warning. In this case, when the face of the driver is turned to the direction where the obstacle exists, the warning is released. COPYRIGHT: (C)2010,JPO&INPIT
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