发明名称 |
SYSTEM FOR PROVIDING ALTERNATIVE SERVICES |
摘要 |
The present invention provides a system for providing alternative services in a television system. In one implementation, a subscriber is provided an alternative service upon attempting to access an unauthorized service, thereby providing a framework for efficient control of conditional access and enhanced services. In addition, in one implementation, user device limitations or variations are handled conveniently through the same multi-purpose system for providing alternative services.
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申请公布号 |
WO0176245(A3) |
申请公布日期 |
2002.03.21 |
申请号 |
WO2001US10874 |
申请日期 |
2001.04.02 |
申请人 |
SCIENTIFIC-ATLANTA, INC. |
发明人 |
JERDING, DEAN, F.;RODRIGUEZ, ARTURO, A. |
分类号 |
H04N7/16;(IPC1-7):H04N7/16 |
主分类号 |
H04N7/16 |
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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