Electricity: measuring and testing – Magnetic – Magnetometers
Reexamination Certificate
2008-06-03
2008-06-03
Aurora, Reena (Department: 2862)
Electricity: measuring and testing
Magnetic
Magnetometers
C324S207210, C324S225000, C235S449000
Reexamination Certificate
active
07382122
ABSTRACT:
A magnetic sensor includes a pair of serially-connected magneto-resistive elements (1a, 1b), one of which serves as a sensing portion (6) made to face a magnetic detecting medium (S), and the other of which serves as a temperature-compensating portion (7). The magnetic sensor also includes a magnet (5) that gives magnetic biases having different types of magnetism to the magneto-resistive elements (1a, 1b), and a detection circuit (8) that applies DC voltage to between ends of the serially-connected magneto-resistive elements (1a, 1b) and detects a potential change of the common connection point of the magneto-resistive elements (1a, 1b).
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Komatsu Akio
Nagaki Masakane
Aurora Reena
Frishauf Holtz Goodman & Chick P.C.
Kabushiki Kaisha Minerva
Whittington Kenneth J
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