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发明名称
PCM REPRODUCING AND REPEATING SYSTEM
摘要
PURPOSE:To make possible the reproduction and repeating for a long distance section through the use of the same remote series power feeder, by using cascadeconnecting the repeater transmitting larger pulse than that of conventional repeaters.
申请公布号
JPS53109411(A)
申请公布日期
1978.09.25
申请号
JP19770024976
申请日期
1977.03.07
申请人
NIPPON ELECTRIC CO
发明人
UMETSU TATSUO
分类号
H04B3/44;H04L25/00;H04L25/52
主分类号
H04B3/44
代理机构
代理人
主权项
地址
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