Invention Application
- Patent Title: ELECTRIC CURRENT MEASUREMENT APPARATUS AND ELECTRIC CURRENT MEASUREMENT METHOD
- Patent Title (中): 电流测量装置和电流测量方法
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Application No.: US15029318Application Date: 2014-09-10
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Publication No.: US20160223595A1Publication Date: 2016-08-04
- Inventor: Hiroaki TSUJIMOTO
- Applicant: OSAKA CITY UNIVERSITY
- Priority: JP2013-216852 20131017
- International Application: PCT/JP2014/004648 WO 20140910
- Main IPC: G01R15/20
- IPC: G01R15/20 ; G01R19/00

Abstract:
An electric current measurement apparatus for measuring an electric current flowing in a conducting wire in a circuit to be measured, the electric current measurement apparatus characterized by having a magnetic element to which a drive electric current terminal and a measurement voltage terminal are provided, a holder for fixing a positional relationship of the conducting wire to a magnetic body, an electric current source capable of outputting at least one frequency of alternating electric current across the drive electric current terminal, a voltage meter for measuring a voltage across the measurement voltage terminal, and a low-pass filter provided between the measurement voltage terminal and the voltage meter.
Public/Granted literature
- US10557874B2 Electric current measurement apparatus and electric current measurement method Public/Granted day:2020-02-11
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