发明名称 |
Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device |
摘要 |
In a data multiplexing device which multiplexes and transmits the transport stream packets of program data consisting of a plurality of data elements constructed in the form of transport stream packets, a program distribution system, a program transmission system, a pay broadcast system, a program transmission method, a conditional access system, and a data reception device according to the present invention, by generating a scramble key Ks corresponding to one or more data elements among the plurality of data elements constituting a program and by scrambling each data element, an audience can subscribe for each data element. |
申请公布号 |
US6970564(B1) |
申请公布日期 |
2005.11.29 |
申请号 |
US20000589593 |
申请日期 |
2000.06.07 |
申请人 |
SONY CORPORATION |
发明人 |
KUBOTA TATSUYA;WAKATSUKI NORIO |
分类号 |
H04N7/167;(IPC1-7):H04N7/167 |
主分类号 |
H04N7/167 |
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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