Current measurement technique and current measurement apparatus

Details Current measurement technique and current measurement apparatus Current measurement technique and current measurement apparatus

2007-07-03

2007-07-03

Nguyen, Ha Tran (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

Reexamination Certificate

active

10911615

ABSTRACT:
A current measurement method for measuring a current that flows in a transmission line of an electric circuit including steps of installing a magnetooptical device in a magnetic field which is generated based upon current that flows in the transmission line, making a polarized light on the magnetooptical device, and acquiring a current based upon the variation of the polarization of reflected light from the magnetooptical device on which the polarized light is incident.

REFERENCES:
patent: 4933629 (1990-06-01), Kozuka et al.
patent: 5451864 (1995-09-01), Nakamoto
patent: 5834933 (1998-11-01), Meier
patent: 5844409 (1998-12-01), Bosselmann et al.
patent: 2000-46891 (2000-02-01), None

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