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
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