| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow a karaoke song which requires predetermined transaction processing to be sung by a user who cannot make the transaction processing and to be recorded as a singing history of the user, without increasing a load on a host server. <P>SOLUTION: A karaoke device KR performs use authentication of each of a plurality of users including a user A and a user B, with a host server 500. With a display 203 displaying a my page of the user A, when the user B is designated as an object person to whom singing information of a karaoke song, which the user A agreed to subtracts points, is given, the karaoke device KR performs the use authentication of the user B with the host server 500, after updating point information of the user A in the host server 500, updates the singing information of the user B and transmits the singing information with the user ID of the user B to the host server 500. <P>COPYRIGHT: (C)2012,JPO&INPIT |
