| 摘要 |
<p>PURPOSE:To make no alarming during reflectors of a guard rail is detected, when a vehicle runs on a curved road. CONSTITUTION:Wave shape of laser beam reflected by reflectors which are provided continuously on a guard rail, and received by a laser radar unit, becomes of constant pitched shape. Therefore, during the shape is detected, alarming demand from a control unit to a display unit, is made to be ceased.</p> |
