| 摘要 |
<P>PROBLEM TO BE SOLVED: To minimize a load on a delivery server delivering advertisement data. <P>SOLUTION: A relay server device 71 transmits, upon receipt of a status report from a display terminal device 32, the receiving result of status report to the terminal 32, and the delivery device 22 transmits, upon receipt of a status report from the relay server device 71, the receiving result of status report to the relay server device 71. The delivery device 22 transmits, when the reproduction schedule of advertisement data is changed, a change report of reproduction schedule to the relay server device 71 with the receiving result of status report. The delivery device 22 transmits, upon receiving an acquisition request of reproduction schedule after change from the relay server 71 after transmitting the change report, the reproduction schedule after change to the relay server device 71. <P>COPYRIGHT: (C)2007,JPO&INPIT |
