| 摘要 |
PROBLEM TO BE SOLVED: To surely prevent data from being illegally copied. SOLUTION: In the case of transferring music data recorded in an HDD 21 to a flash memory in a portable device 6 and storing the data in the memory, a CPU 11 judges whether the device 6 has a function for protecting various conditions such as a reproducing condition, a reproduction charging condition and a copying condition or not, and only when the device 6 has the function, transfers and stores the music data in the flash memory. |
