| 摘要 |
PURPOSE: An alarm system for safety driving is provided to output a drowsiness prevention signal by installing a vehicle detection system on the road. CONSTITUTION: A vehicle detection roof sensor(20) is buried in the road and detects the vehicle. A vehicle detection controller(43) detects the vehicles passing through a roof sensor. A lane departure sensor(30) detects the vehicle out of the lane. A display panel(45) displays a predetermined message. A speaker(44) generates a warning tone. |
