发明名称 |
Metod och system för villkorad access |
摘要 |
The present invention relates to a method and a system for granting access to a system ( 1 ), in which different services are distributed over a distribution network ( 4 ). A user terminal ( 3 ) is used for decoding these services and access is granted for said user terminal ( 3 ) by means of a virtual card. The virtual card is downloaded over the distribution network ( 4 ) by means of an extra data stream ( 18 ) from a system unit 17 and is received by said user terminal ( 3 ). |
申请公布号 |
SE520674(C2) |
申请公布日期 |
2003.08.12 |
申请号 |
SE20010004229 |
申请日期 |
2001.12.14 |
申请人 |
TELEVISION AND WIRELESS APPLICATIONS EUROPE AB |
发明人 |
RAGNAR KAAHRE |
分类号 |
G06F21/00;H04L9/32;H04N1/00;H04N7/16;(IPC1-7):H04N7/167 |
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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