发明名称 RETRANSMISSION APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To solve the problem wherein a retransmission apparatus at the head end of conventional CATV facilities does not support repacking or terrestrial digital broadcasting. <P>SOLUTION: The retransmission apparatus can support repacking automatically, because a monitoring unit 106 sends out a control signal so that a frequency converting unit 103 tracks physical channels, even if repacking is carried out. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2003333003(A) 申请公布日期 2003.11.21
申请号 JP20020136439 申请日期 2002.05.13
申请人 HITACHI LTD 发明人 SHIROSUGI TAKATOSHI;NODA TSUTOMU
分类号 H04H20/00;H04H20/06;H04H60/07;H04N7/173;H04N21/2385;H04N21/61;H04N21/647 主分类号 H04H20/00
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