DATA DELIVERY APPARATUS, DATA PROCESSING APPARATUS, DATA DELIVERY SYSTEM, DATA DELIVERY METHOD, DATA PROCESSING METHOD, THOSE PROGRAMS, AND RECORDING MEDIUM WITH PROGRAM RECORDED

摘要

PROBLEM TO BE SOLVED: To provide a music delivery system that enables a user to use music data effectively while delivering the music data appropriately in a simple configuration.;SOLUTION: A server device 400 of the music delivery system 100, when acquiring disuse request information from a terminal device 300, describes a disuse acceptance management number in delivery registration information, and sends setting management number information of the disuse acceptance management number to the terminal device 300 to cause the terminal device 300 to erase music data delivered earlier from a terminal storage means. The server device 400, when acquiring the setting management number information from another terminal device 300 different from the terminal device 300, to which the setting management number information has been sent, delivers the user-purchased music data registered in the delivery registration information identified by the setting management number information to the new terminal device 300.;COPYRIGHT: (C)2007,JPO&INPIT