Importance

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Abstract

A data processing device includes a telecommunications coupler for exchanging data with a data processing system, a data coupling device, a control device, and non-volatile first and second data memory areas. The control device controls the exchange of data with the data processing system as a function of control data stored in the first memory area. Data transmitted by the data processing system is stored in the second memory area as a file by the control device. The file may be transmitted to a display via the data coupling device according to the control device. The first memory area contains a loading enabling data element, to which a file is assigned in a predetermined first relation. The control device permits the data processing system to transmit only data that belongs to a file that is assigned to the loading enabling element in accordance with the predetermined first relation.

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First Claim