Electricity: measuring and testing – Magnetic – Magnetic field detection devices
Reexamination Certificate
2005-04-12
2005-04-12
LeDynh, Bot (Department: 2862)
Electricity: measuring and testing
Magnetic
Magnetic field detection devices
C324S244000
Reexamination Certificate
active
06879153
ABSTRACT:
To provide a magnetism detection apparatus that is small and low in cost and power consumption, a biasing coil4and a negative-feedback coil are integrated with a magnetic impedance element having a magnetic impedance effect in a resinous structure. The magnetism detection apparatus has a reduced magnetic resistance between the magnetic impedance element and the coil, thereby making it possible to apply a bias magnetic field and a negative-feedback magnetic field to the magnetic impedance element with a reduced power consumption.
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Kitaide Yujiro
Kudo Takahiro
Fuji Electric & Co., Ltd.
LeDynh Bot
Rabin & Berdo P.C.
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