DRIVER'S STATE DECIDING DEVICE

• Main Authors: SHITAYA MITSUO, KANEKO KAZUMA, MORIHIRO YOSHIHARU
• Format: Patent
• Language: English
• Published: 09.09.1994
• Edition: 5
• Subjects: ALARM SYSTEMS; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ORDER TELEGRAPHS; PERFORMING OPERATIONS; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; SIGNALLING; SIGNALLING OR CALLING SYSTEMS; TRANSPORTING; VEHICLES IN GENERAL

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.