| 摘要 |
<p>PROBLEM TO BE SOLVED: To make lighting possible of the ground surface in the periphery of a self vehicle at boarding time. SOLUTION: At the time coming to a position of a vehicle parked in a prescribed position of parking lot, on-road, etc., when a switch of a transmitter 20 is operated, a self vehicle is lighted by prescribed color in a selected prescribed mode, by this lighting light, lighting is applied in the vicinity of a door of the self vehicle, a condition of this ground surface can be confirmed. Particularly lighting color of an emitting source can be arbitrarily set, setting is made possible by considering brightness and energy saving. Between the transmitter 20 and a receiver 30, even without providing discriminating ability of a cord or the like, lighting color of the self vehicle and the other vehicle can be discriminated.</p> |
