发明名称 |
IMPROVEMENTS IN AND RELATING TO THE DISTRIBUTION OF CONTENT |
摘要 |
A content distribution system is described in which indicia (51) defining a level of copyright control are encapsulated together with content (31) to which it relates in a datagram (33) for a delivery over a network (1). Depending on the level of copyright control defined by the indicia (51), a terminal (3) receiving the content (31) is restricted in the operations it can carry out on the content including saving (55), reading (53) and forwarding (57) the content. |
申请公布号 |
WO0250787(A1) |
申请公布日期 |
2002.06.27 |
申请号 |
WO2001EP14272 |
申请日期 |
2001.11.27 |
申请人 |
NOKIA CORPORATION |
发明人 |
PALOMAKI, VESA;ELOMAA, TIMO |
分类号 |
G07F17/00;G06F1/00;G06F12/14;G06F21/10;G06Q20/12;G06Q50/10;G06Q90/00;G07F17/16;G11B20/10;H04L12/22;H04L29/02;H04N21/254;H04N21/4627;H04N21/835;H04N21/8355;(IPC1-7):G07F17/16;G07F7/10 |
主分类号 |
G07F17/00 |
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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