Magnetoresistive type position sensor having bias magnetic and m

Details Magnetoresistive type position sensor having bias magnetic and m Magnetoresistive type position sensor having bias magnetic and m

1995-08-07

2000-02-01

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Displacement

32420722, 32420725, G01B 730, G01P 3488, G01D 5245, H01L 4308

Patent

active

060207361

ABSTRACT:
A rotation object is made of a magnetic material and disposed within a predetermined range of an angle of rotation on a plane perpendicular to an axis of rotation. A bias magnet generates a bias magnetic field to the rotation body in a direction perpendicular to the axis of rotation. Magnetic resistance elements are disposed in the bias magnetic field on a plane including the axis of rotation at a position deviated from the position of the rotation object in the axial direction of the rotation body and inclined by about 45.degree. relative to a direction perpendicular to the axis of rotation.

REFERENCES:
patent: 3934160 (1976-01-01), Von Borcke
patent: 4086533 (1978-04-01), Richouard et al.
patent: 4791365 (1988-12-01), Johannes et al.
patent: 4875008 (1989-10-01), Lorenzen
patent: 5359287 (1994-10-01), Watanabe et al.
patent: 5444370 (1995-08-01), Wu
patent: 5754042 (1998-05-01), Schroeder et al.

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