发明名称 OVERCURRENT DETECTION EQUIPMENT
摘要 PURPOSE:Direct currents to be supervised are converted into light by a LED, and further the photoelectric conversion and amplification are performed to discriminate their level, thereby improving the overcurrent detection precision.
申请公布号 JPS5336128(A) 申请公布日期 1978.04.04
申请号 JP19760111055 申请日期 1976.09.16
申请人 NIPPON ELECTRIC CO 发明人 OOMORI TOORU
分类号 G01R19/165;H02H3/087;H04B17/00 主分类号 G01R19/165
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