发明名称 |
Scrambling unit for a digital transmission system |
摘要 |
An independant scrambling unit 1 for a digital audiovisual transmission system, the scrambling unit 1 comprising an input for receiving an assembled transport packet stream from a physically separate multiplexer 4, a scrambling device for scrambling the received transport stream according to a randomising control word and an output for sending the scrambled transport stream to a transmitter means for subsequent transmission. The scrambling unit 1 may also be used to introduce other packet data in the data stream. <IMAGE> |
申请公布号 |
AU1777099(A) |
申请公布日期 |
1999.07.12 |
申请号 |
AU19990017770 |
申请日期 |
1998.12.23 |
申请人 |
CANAL+ SOCIETE ANONYME |
发明人 |
LIONEL TRANCHARD;CHRISTOPHE DECLERCK |
分类号 |
H04H20/00;H04L9/08;H04N7/167;H04N7/24;H04N7/52 |
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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