| 摘要 |
PROBLEM TO BE SOLVED: To handle digital data in the same manner as before change even in the case of change of a device or the like in a data processor which manages and uses digital data like music contents having copyright. SOLUTION: The data processor is provided with a control part 22 which performs reproducing processing or copy processing of digital data and a control unit 22 which controls the processing operation of the control part 22 on the basis of use restriction information included in digital data as the processing object, and this control unit 22 can be physically detached. |
