Patent ID: 6104309
Filing Date: 2000-08-15
Classification: B60R

Abstract:
An anti-theft system for a vehicle comprising:a portable remote control unit responsive to actuation of buttons thereon for transmitting a radio frequency signal including a first identification code;a security unit fixedly mounted on the vehicle, the security unit including a receiver for receiving the radio frequency signal, a first memory for storing a second identification code, and a first processor for comparing the received first identification code with the second identification code and for generating a third identification code when the first identification code coincides with the second identification code; andan electronic audio device removably mounted on the vehicle and connectable to the security unit, the electronic audio device including a second memory for storing a fourth identification code and an audio signal generator for transmitting audio signals to an output device, the electronic audio device including a second processor for comparing the third identification code with a fourth identification code and enabling the audio signal generator only when the third identification code coincides with the fourth identification code.