| 摘要 |
PURPOSE:To secure a safety by detecting an entered body with an antenna actuated automatically on left-turn, causing to give an alarm and to stop with the detection signal thereof. CONSTITUTION:On actuating a winker 3 during left-turn, horn type antenna 1a is provided for close to the front wheel 6 of the left side of a vehicle 5 is interlocking, causing a sensing area 2a to set. Said antenna 1a is detecting a body such as a man of a bicycle to enter into the sensing area 2a, an alarm 4 being actuated with the detecting signal, giving the alarm to a driver, and securing a safety by stopping and the like. |
