发明名称 |
DATA MULTIPLEXER, PROGRAM DISTRIBUTION SYSTEM, PROGRAM TRANSMISSION SYSTEM, TOLL BROADCAST SYSTEM, PROGRAM TRANSMISSION METHOD, LIMITED RECEIVING SYSTEM, AND DATA RECEIVER |
摘要 |
<p>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. <IMAGE></p> |
申请公布号 |
EP1022900(A1) |
申请公布日期 |
2000.07.26 |
申请号 |
EP19980931069 |
申请日期 |
1998.07.13 |
申请人 |
SONY CORPORATION |
发明人 |
KUBOTA, TATSUYA;WAKATSUKI, NORIO |
分类号 |
H04N5/00;H04N7/16;H04N7/167;H04N7/24;H04N7/52;(IPC1-7):H04N7/16;H04N7/08;H04K1/04;H04L12/18 |
主分类号 |
H04N5/00 |
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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