Verfahren zur Erlangung eines Diebstahlsschutzes für Geräte, insbesondere für Autoradios

摘要

The invention relates to a method for protecting devices, specially car radios, against theft. According to the inventive method, an identifying code must be inputted directly into said device in order to activate it. The code is determined by means of an irreversible encryption process on the basis of test information allocated to said device.