| 摘要 |
<p>PURPOSE: To provide a headlamp control device capable of easily judging the stop of a vehicle by simple constitution to extinguish a head lamp after a given time elapsed from the stop of the vehicle. CONSTITUTION: A headlamp control device 5 is composed of a speed sensor 1 fitted to a rotation member such as a transmission of a vehicle to generate a pulse in accordance with a speed, a monostable multivibrator 2 for receiving the pulse of the speed sensor 1 to output a signal having a pulse width of a given set time (e.g. five seconds), and a driver 3 for receiving a signal from the monostable multivibrator 2 to drive a head lamp 4.</p> |
