发明名称 |
DISTRIBUTION DEVICE, TERMINAL DEVICE, PROGRAM AND METHOD USED IN THESE DEVICES |
摘要 |
FIELD: distribution devices, terminal devices. ^ SUBSTANCE: in distribution device groups of two or more informational products which represent digital informational content are stored with information about policy administration which indicates user's rights to this group by interrelated method. Distribution device transfers the user requested informational content from group to the terminal device with license certificate (LC), refreshes information about policy administration decreasing policy validity. On return of the renewed LC distribution device increases the decreased policy validity taking into account the part of policy validity which is indicated in the renewed LC. On user's demand distribution device again transfers LC or other digital informational content. ^ EFFECT: distribution of digital content for a more complete satisfaction of user's demand. ^ 22 cl, 58 dwg |
申请公布号 |
RU2287851(C2) |
申请公布日期 |
2006.11.20 |
申请号 |
RU20030120443 |
申请日期 |
2001.12.06 |
申请人 |
MATSUSITA EHLEKTRIK INDASTRIAL KO., LTD. |
发明人 |
OKAMOTO RIUITI;KOZUKA MASAJUKI;MINAMI MASATAKA;INOUE MITSUKHIRO |
分类号 |
G06F17/30;G06F21/22 |
主分类号 |
G06F17/30 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|