Magnetoresistive sensor for measuring relative displacement of construction parts

Magnetoresistive sensor (1) for measuring relative displacements of construction parts (2, 3). A magnetoresistive element (4) is formed on a surface (7) of a substrate (8). A magnet system (5) generates a magnetic field (13) having a component (14) directed parallel to the substrate surface at the a...

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Hauptverfasser: LENSSEN KARS-MICHIEL H, ADELERHOF DERK J
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creator LENSSEN KARS-MICHIEL H
ADELERHOF DERK J
description Magnetoresistive sensor (1) for measuring relative displacements of construction parts (2, 3). A magnetoresistive element (4) is formed on a surface (7) of a substrate (8). A magnet system (5) generates a magnetic field (13) having a component (14) directed parallel to the substrate surface at the area of the magnetoresistive element. Upon the relative displacement of the construction parts, this field component extends at different angles alpha to the magnetoresistive element and is so large that the magnetoresistive element is always magnetically saturated during the displacement. Upon a relative displacement of the construction parts, the magnetoresistive element describes a path (20, 21) with respect to the magnet system. The sensor is suitable for measuring rotations through angles up to 360° and for measuring large translations.
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subjects ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING ELECTRIC VARIABLES
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
MEASURING MAGNETIC VARIABLES
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
title Magnetoresistive sensor for measuring relative displacement of construction parts
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