| 摘要 |
PROBLEM TO BE SOLVED: To allow a user-side KARAOKE device of a on-line KARAOKE system, which distribute data by broadcasting, to individually receive unreceived data without any additional charge. SOLUTION: Data are distributed from a host system as a distribution source to a KARAOKE device 14 through a communication satellite 12. The KARAOKE device 14 manages reception and nonreception by data by using a reception management file and calls the distribution source collect to individually obtain unreceived data through a user-side public telephone line. |
