发明名称 FAILURE DETECTION SYSTEM IN REPEATER
摘要 <p>PURPOSE:To add a circuit capable of reducing the grounding impedance upon failure to each of the relays to measure the potential against the ground so as to enable easy detection of the failure in repeaters.</p>
申请公布号 JPS53918(A) 申请公布日期 1978.01.07
申请号 JP19760074436 申请日期 1976.06.25
申请人 HITACHI LTD 发明人 MIYANO YOSHIHIKO
分类号 H04B17/40 主分类号 H04B17/40
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