| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a charging system capable of fair charging processing which never makes a person who could not fully participate in karaoke use within a use time feel unfairness when users share a karaoke room as a group and the users divide and pay the room service charge for drinks. <P>SOLUTION: A user authenticating means (4) discriminates respective user IDs of group participation, a log time recording means (11a) records log-in times and log-out times of a karaoke playing machine (3) by the users, and an order reception time recording means (11b) records order reception times of individual room services for the group; and a charging processing means (11c) charges a mean amount obtained by dividing the charge for a specified room service by the number of the users in the room to each user when the order reception time of the specified room service is included in the room occupation time of an arbitrary user. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
