| 摘要 |
PROBLEM TO BE SOLVED: To provide a warning method, a warning system, and a warning device for making a driver of a vehicle to be warned recognize the driver himself or herself is warned. SOLUTION: A detector 1 detects running states of the vehicle such as a running speed, the distance between the driver's vehicle and a preceding vehicle, or the like. A warning device 2 determines the content of warning based on the running states detected by the detector 1, calculates time for warning based on the running speed included in the detected running states, and outputs the determined content of the warning to a first output device 3 such as a warning display board or the like and a second output device 4 such as a beacon or the like in the calculated output time. COPYRIGHT: (C)2007,JPO&INPIT
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