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发明名称
WATCHING DEVICE
摘要
PURPOSE:Only when the phase performes rotations in a fixed direction at phase rotation discrimination circuit, output is transmitted. In this way, the malfunction of the watching device caused by extermal noise, etc. can be effectively avoided.
申请公布号
JPS5235599(A)
申请公布日期
1977.03.18
申请号
JP19750111114
申请日期
1975.09.13
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
OOHASHI HIROSHI;INOUE HIRONOBU;KATAYAMA SUSUMU
分类号
G01V3/12;G01S13/50;G01S15/50;G01V1/00;G08B13/08;G08B13/16
主分类号
G01V3/12
代理机构
代理人
主权项
地址
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