| 摘要 |
<p>Antitheft device for vehicles, comprising an alarm box situated in the passenger compartment and connected to a plurality of sensors able to detect an attempted break-in and an acoustic warning located in the engine compartment and a sensor able to detect attempted break-in of the engine hood, in which said sensor able to detect the opening of the engine hood is connected to the acoustic warning and in which said acoustic warning is connected to the alarm box via a single wire, the signals from said alarm box and said acoustic warning being encoded and/or encrypted signals. Preferably, one of the cables of the electrical system present in the vehicle is used to connect said alarm box to said acoustic warning. <IMAGE></p> |
