Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Reexamination Certificate
2006-05-25
2009-06-02
Nguyen, Ha Tran T (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Magnetic saturation
C324S11700H
Reexamination Certificate
active
07541799
ABSTRACT:
A device for measuring a current flowing in an electrical conductor having a sensor disposed in the region of the electrical conductor for measuring the magnetic field surrounding the electrical conductor. The sensor includes a magnetic circuit having a first and a second section. A magnetizing device for the saturation of the second section and an evaluation device for calculating the current flowing through the electrical conductor in dependence on measured values B(P0), B(P1), B(P2), B(P4), B(P4+), B(P4−) of the magnetic field surrounding the electrical conductor and in dependence on the applicable magnetization of the second section is also provided. A method for operating the device is also disclosed.
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European Search Report 06010079.9 dated Sep. 1, 2006.
Erckert Ricardo
Hausperger Christian
Kindler Edgar
Rollgen Bernhard
EPCOS AG
Lisa Dräxlmaier GmbH
Nguyen Ha Tran T
Velez Roberto
Wolf Greenfield & Sacks P.C.
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