| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent the unnecessary canceling of a turn signal indicating a turning direction of a vehicle. SOLUTION: A control circuit 1 allows a turn signal lamp 6 to produce a right or left turn signal on the basis of a direction indicating signal from a turn signal switch 2 of a motor-scooter as a vehicle. The control circuit 1 operates a turning angle of the motor-scooter on the basis of an angular speed V of the motor-scooter detected by an angular speed sensor 3, and cancels the turn signal by the turn signal lamp 6 in a case when the turning angle is more than a turning angle reference value, a car speed N of the motor-scooter detected by a car speed sensor 4 is more than a car speed reference value, and the angular speed V detected by the angular speed sensor 3 is less than an angular speed reference value. Accordingly, the unnecessary canceling of the turn signal can be prevented even when the turning angle is more than the turning angle reference value and the angular speed V is less than the angular speed reference value, as the car speed N is not more than the car speed reference value (actually the car speed is zero), when the motor-scooter is stopped at an intersection for right turning or left turning.</p> |
