| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve detection sensitivity to visual information detected by a driver through his/her sight. <P>SOLUTION: When a concentration level of the driver to the visual information becomes lower than a normal concentration level, a controller 50 operates a shutter apparatus 40 to temporarily cut off the visual information of the outside of a vehicle which the driver detects through his/her sight. By operating the shutter apparatus 40 like this, the visual information which the driver detects through his/her sight is thinned and the visual information is varied when there is possibility of colliding with an obstacle such as a stopped vehicle or in a state where the concentration level of the driver is lower than the normal level, that is when ability of processing the visual information of the outside world is low. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
