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Summary:PURPOSE:To obtain a driver's state deciding device which can detect the physiological or mental state of a driver in a noninvasive state without troubling the driver. CONSTITUTION:A sight detecting means 2 detects the sight direction of the driver and a sight frequency distribution calculating means 10 calculates a frequency distribution of sight directions within a predetermined time as a sight frequency distribution. Further, a driver's state judging means 11 discriminates the pattern of the sight frequency distribution to judge the psychological or mental state of the driver. A driver's state judging means 11 discriminates the sight frequency distribution so that it is judged that the driver is careless when the sight of the driver is concentrated on one point.
Bibliography:Application Number: JP19930033313