| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a music distribution system by which an already paid royalty can be deducted when distributed music is purchased through a portable terminal device. <P>SOLUTION: In the music distribution system having a music distribution server 1 to distribute the music and the portable terminal device 6 to communicate with the music distribution server, the portable terminal device 6 has a memory 7 consisting of a contents storage region 8 to store contents and a purchase proof data storage area 9 to store purchase proof data proving the purchase of the distributed music, and the music distribution server has a contents storage part 3 to store contents, a compressed contents storage part 4 to store compressed contents and a highly compressed contents storage part 5 to store highly compressed contents, and distributes the purchase proof data when it distributes the contents to the portable terminal device 6. <P>COPYRIGHT: (C)2003,JPO |
