发明名称 IMPROVEMENTS IN AND RELATING TO WIRED BROADCASTING SYSTEMS
摘要 A hybrid coupling transformer system is used in wired broadcasting systems with two transformers coupled through a pair of series windings on the respective transformers carrying TV signals. A second winding is coupled in series anti-phase and output windings are coupled to subscriber stations. Audio signals are separately connected in some embodiments to centertopped output windings.
申请公布号 ZA7003760(B) 申请公布日期 1971.01.27
申请号 ZA19700003760 申请日期 1970.06.03
申请人 COMMUNICATIONS PATENTS LTD 发明人 GARGINI E
分类号 H04B3/00;H04N5/60;H04N7/10 主分类号 H04B3/00
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