SYSTEM WITH DEVICE HAVING A DATA PROCESSING UNIT

摘要

A system with a device having a data processing unit, operable with at least one programme capable of input, and with a unit (4) for the input of the programme. For purposes of protection against unlawful copying of the usable programmes it has the following features: a first comparator (8) delivers a signal for releasing the programme to be input; a unit which is connected on the output side with an input of the same (4) for reading out a label of the programme; a read-only storage connected with an input of the initial comparator (8) having a label allocated to the device (1), and a unit (10) for release of the programme data flow in response to an adjacent release signal. In addition, it includes an activation station (16) for the system.