Sensor arrangement for position sensing

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United States of America Patent

PATENT NO 9759578
SERIAL NO

14645559

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sensor arrangement for position sensing comprises a first magnetoresistive element (1) and a second magnetoresistive element (2). A magnetic field source (3) provides a magnetic field with a first magnetic pole (N) and a second magnetic pole (S). The magnetic field source (3) is arranged between the first magnetoresistive element (1) and the second magnetoresistive element (2) with the first magnetic pole (N) facing the first magnetoresistive element (1) and the second magnetic pole (S) facing the second magnetoresistive element (2). The first magnetoresistive element (1) is arranged in the magnetic field and provides a first output signal (R1) dependent on a position of the first magnetoresistive element (1) relative to the magnetic field source (3). The second magnetoresistive element (2) is arranged in the magnetic field and provides a second output signal (R2) dependent on a position of the second magnetoresistive element (2) relative to the magnetic field source (3). A measurement unit is configured to determine a position of the magnetic field source (3) relative to the first and the second magnetoresistive elements (1, 2) dependent on the first output signal (R1) and the second output signal (R2).

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haeberle, Walter Rueschlikon, CH 37 261
Pantazi, Angeliki Rueschlikon, CH 88 623
Sebastian, Abu Rueschlikon, CH 151 679
Tomas, Tuma Rueschlikon, CH 5 33

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