| 摘要 |
PROBLEM TO BE SOLVED: To provide a data processor for preventing useless consumption of a storage capacity in the storage device of the data processor during data transfer between a data processor and an external device different in specifications of management data for managing content data. SOLUTION: The data processor is provided with a storage device for storing content data and first management data for managing the content data, and a data processing means for processing the content data based on the first management data, and transferring data based on second management data. When a first maximum management quantity which is the maximum content data to be managed based on the first management data is smaller than the maximum content data to be managed based on the second management data, and when content data is transferred from an external device to the storage device, among content data stored in the storage device immediately after the transfer, at least content data exceeding the first maximum management quantity is deleted. COPYRIGHT: (C)2008,JPO&INPIT
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