| 摘要 |
PURPOSE:To provide an increased life for a lamp, by a method wherein a lamp is prevented from flickering during operation of projection and containing of a direction indicator. CONSTITUTION:With a retractable switch made, a motor 1 is driven forward, and a body 19 is driven to the projection side. In a final position of projection, the motor 1 is brought to a stop and a flickering circuit for a lamp 21 is formed, and the lamp 21 is flickered for indication of a direction. With the retractable switch broken, the flickering circuit for the lamp 21 is opened, and flickering of the lamp 21 is rendered ineffective. With the motor 1 reversed, the body 19 is driven to the containing side. |
