发明名称 TROUBLE DETECTION SYSTEM OF DIODE MATRIX CONVERTER CIRCUIT
摘要 PURPOSE:Trouble detection is carried out when a diode matrix converter circuit has not been actuated by an exchange, thereby making it possible to facilitate the troubleshooting without causing the system down.
申请公布号 JPS5348404(A) 申请公布日期 1978.05.01
申请号 JP19760122758 申请日期 1976.10.15
申请人 HITACHI LTD 发明人 SHIMADA JIROU
分类号 H04Q1/20;H03K17/76;H04M3/08;H04Q3/76 主分类号 H04Q1/20
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