Accident/obstacle signaling device for vehicle e.g. car, has transmitter, connected to airbag systems shock detector, sending two types of radio waves, where one wave represents accident and another represents vehicle breakdown

摘要

The device has a wireless transmitter (C), a wireless receiver (D), and a light and sound alarm (F). The transmitter coupled to a shock detector (A) of an airbag system (B) is connected to a roof antenna (E) of a vehicle. The transmitter sends two types of radio waves of which one wave represents an accident and another wave represents a vehicle breakdown. The receiver is connected to an outlet of the antenna and the alarm.