Magnetic Sensor System

A magnetic sensor system ( 1 ) is provided that contains sensor elements ( 5, 6 ) that are sensitive to magnetic fields, the electrical properties of said sensor elements being modifiable according to a magnetic field that can be influenced by a mobile, passive transmitter element ( 8 ). The magneti...

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Bibliographische Detailangaben
Hauptverfasser:	VOGELGESANG BIRGIT, HERRMANN INGO, BAUER CHRISTIAN, MAY ULRICH, FARBER PAUL
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING ANGLES MEASURING AREAS MEASURING ELECTRIC VARIABLES MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING MAGNETIC VARIABLES MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A magnetic sensor system ( 1 ) is provided that contains sensor elements ( 5, 6 ) that are sensitive to magnetic fields, the electrical properties of said sensor elements being modifiable according to a magnetic field that can be influenced by a mobile, passive transmitter element ( 8 ). The magnetic sensor system ( 1 ) includes two sensor elements ( 5, 6 ) in a gradiometer system, each of which is assigned to one of two permanent magnets ( 2, 3 ) having a predetermined separation. In terms of their dimensions, separation and position relative to the sensor elements ( 5, 6 ), the permanent magnets ( 2, 3 ) are located such that the offset of the output signal of the sensor elements ( 5, 6 ) is minimized in the gradiometer system.