| 摘要 |
PROBLEM TO BE SOLVED: To provide information whether or not, a content desired by a karaoke user is used, in such a way that the user comfortably browses it. SOLUTION: Based on input from the user, distribution of the information whether or not, the content is used, is requested from a mobile phone to a host for internet (S104). Based on instruction from the host for internet, the host for karaoke requests distribution of a content acquisition state to a master device (S303). The master device distributes the content acquisition state of the master device and a slave device to the host for karaoke (S503). The host for karaoke distributes the content acquisition state to the host for internet (S307). The host for internet extracts the number of pieces of information whether or not, the content is used, which can be displayed in one screen image of the mobile phone (S210). The mobile phone displays a content of the information whether or not, the content is used or not, which is distributed (S107). COPYRIGHT: (C)2009,JPO&INPIT
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