Patent ID: 6542069
Filing Date: 2003-04-01
Classification: B60R

Abstract:
A method for protecting at least one component, each of the at least one component including a microprocessor, the method comprising the steps of:when the at least one component is connected, via a bus, to a car radio for a first time, providing an identification signal of the car radio from the car radio to the at least one component, and storing the identification signal in the at least one component so as to be secured against an access by a user; when the user attempts to turn-on at least one of the car radio and the at least one component, comparing the identification signal stored in the at least one component to the identification signal of the car radio; and turning-on the at least one of the car radio and the at least one component only if the identification signal stored in the at least one component is identical to the identification signal of the car radio.