发明名称 SCALABLE PAY-BY-TIME TECHNIQUE FOR SECURE MULTICAST DISTRIBUTION OF STREAMING CONTENT
摘要 A method for receiving information content from an information distribution system, wherein the information content is divided into a plurality of content portions, the method comprising: subscribing to a multicast group representing at least one content portion; and determining, at the end of a content portion, whether to subscribe to another multicast group.
申请公布号 WO0191372(A2) 申请公布日期 2001.11.29
申请号 WO2001US12565 申请日期 2001.04.17
申请人 GENERAL INSTRUMENT CORPORATION 发明人 PETERKA, PETR
分类号 H04L12/18;H04N7/167;H04N21/2543;H04N21/4623;H04N21/61;H04N21/6405;H04N21/845 主分类号 H04L12/18
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