| 发明名称 |
System and method of providing content in a multicast system |
| 摘要 |
<p>Methods and systems for accessing multicast content by a user device over a network. The user device receives multicast service activation data over a network. On the user device, a broadcast key is generated so that the multicast content may be sent to the user device. <IMAGE></p> |
| 申请公布号 |
EP1562322(A1) |
申请公布日期 |
2005.08.10 |
| 申请号 |
EP20040002705 |
申请日期 |
2004.02.06 |
| 申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
VERBESTEL, WILLY MAURICE |
| 分类号 |
H04H20/00;H04L9/32;H04L12/18;H04L29/06;H04W4/06;H04W12/00;H04W12/02;(IPC1-7):H04L12/18 |
主分类号 |
H04H20/00 |
| 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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