| 摘要 |
<p>PURPOSE:To preliminarily prevent the happening of an accident by effectively calling the attention to prevent the rear end collision with a simple circuit. CONSTITUTION:A turning-off delay circuit 5 of a brake lamp to turn off brake lamps 2a, 2b in several seconds after the step-on of a brake pedal 1 is released is assembled in a circuit of a brake lamp to turn on/off the brake lamps 2a, 2b by the step-on operation or step-on release.</p> |
