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公开(公告)号:US09804201B2
公开(公告)日:2017-10-31
申请号:US14395957
申请日:2012-04-25
CPC分类号: G01R15/18 , G01R1/22 , G01R15/186 , G01R21/00 , H01R4/2433 , H01R12/675
摘要: According to one aspect, embodiments of the invention provide a current monitoring device comprising a current transformer configured to be removeably coupled to a power line and to generate a reference signal having a level related to a current level of the power line, a sensor circuit connected to the current transformer and configured to convert the reference signal to a measurement signal, a flexible cable having a first end and a second end, the first end coupled to the sensor circuit, and a connection portion coupled to the second end of the flexible cable and configured to be removeably coupled to a communications bus, wherein the sensor circuit is further configured to provide the measurement signal to the communication bus via the flexible cable and the connection portion.
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2.
公开(公告)号:USD601957S1
公开(公告)日:2009-10-13
申请号:US29334545
申请日:2009-03-27
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公开(公告)号:USD532377S1
公开(公告)日:2006-11-21
申请号:US29237573
申请日:2005-09-01
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公开(公告)号:USD468366S1
公开(公告)日:2003-01-07
申请号:US29153774
申请日:2002-01-09
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公开(公告)号:USD511140S1
公开(公告)日:2005-11-01
申请号:US29193154
申请日:2003-11-03
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