| 摘要 |
An anti-theft device for a vehicle is provided. The anti-theft device includes a group of relays that are interconnected to the vehicle's circuit to be protected. The relays have their terminals B and C connected to the vehicle's circuit device and a pair of diodes or bridge diode. The cathode of one group of diodes are connected to a sensor, and the anode of another group of diodes are connected to the ground of said anti-theft device. By the one way conduction of the diodes, the battery voltage from the circuit being protected serves as an auxiliary power connection while not jeopardizing the normal function of the circuit being protected. |
