发明名称 |
Content usage management system, and server apparatus and terminal apparatus in the system |
摘要 |
A usage right which a user purchases is managed by a right management server (20a). License information which is a part of the usage right is sent from a user terminal (30a) to the right management server (20a). The user terminal (30a) controls usage of content based on this license information.
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申请公布号 |
US2004034786(A1) |
申请公布日期 |
2004.02.19 |
申请号 |
US20030438008 |
申请日期 |
2003.05.15 |
申请人 |
OKAMOTO RYUICHI;MIURA KOUJI;ONODA SEN?APOS,ICHI;NAKAHARA TOHRU;INOUE MITSUHIRO;HIGASHI AKIO |
发明人 |
OKAMOTO RYUICHI;MIURA KOUJI;ONODA SEN?APOS,ICHI;NAKAHARA TOHRU;INOUE MITSUHIRO;HIGASHI AKIO |
分类号 |
G06F21/00;G06F21/10;G06Q30/00;(IPC1-7):H04L9/32 |
主分类号 |
G06F21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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