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经营范围
发明名称
SIGNAL DETECTOR
摘要
PURPOSE:DC signal are detected at a zero-crossing time of AC signals, so that whether DC signals more than the fixed level are present or not can be detected accurately without being affected by the amplitude of AC signals.
申请公布号
JPS535903(A)
申请公布日期
1978.01.19
申请号
JP19760080779
申请日期
1976.07.06
申请人
MITSUBISHI ELECTRIC CORP
发明人
MIZUNO KOUICHI
分类号
H04L23/00;H04L25/06
主分类号
H04L23/00
代理机构
代理人
主权项
地址
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