| 摘要 |
A vehicle anti-theft device for securing a vehicle is provided. The anti-theft device includes a plurality of control units electrically coupled between the vehicle electrical system and vital electrical components of the vehicle for controlling the delivery of power to these components. The control units normally interrupt power to these components but provide a path of power upon receiving an activation signal. The control units are directly coupled between the vehicle electrical system and the controlled electrical components and are powered by the vehicle electrical system. The anti-theft device also includes a transmitter device for transmitting an activation signal to the control units. When the control units receive this signal, they switch power to their respective components to allow their operation. The signal transmitted by the transmitter device is an audio frequency signal or a low power FM broadcast signal which is not widely broadcast remote from the vehicle. |
