Apparatus for detecting the direction of a magnetic field

Details Apparatus for detecting the direction of a magnetic field Apparatus for detecting the direction of a magnetic field

G - Physics

01

R

324/48

G01R 33/02 (2006.01) G01D 5/16 (2006.01) G01R 33/09 (2006.01)

Patent

CA 1037562

A B S T R A C T Apparatus is provided for detecting the direction of magnetic field using a magnetoresistive device which comprises a stationary bias magnet magnetized in the direction of its thickness so that the pole faces of the magnets are continuous to each other, lie in a common plane and are of alternating polarity; and a magnetoresistive element which is formed of at least two ferro- magnetic film strips arranged substantially perpendicular to each other to define perpendicular main current conducting paths, the strips being disposed on a substrate which is parallel with and adjacent to the pole faces, whereby a bias flux is applied to the magnetoresistive element from the stationary bias magnet at a predetermined angle.

232536

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