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    MAGNETIC SENSOR DEVICES, SYSTEMS AND METHODS, AND A FORCE SENSOR
    1.
    发明申请
    MAGNETIC SENSOR DEVICES, SYSTEMS AND METHODS, AND A FORCE SENSOR 审中-公开

    公开(公告)号：WO2023036900A1

    公开(公告)日：2023-03-16

    申请号：PCT/EP2022/075044

    申请日：2022-09-08

    Applicant: MELEXIS TECHNOLOGIES SA

    Inventor： CLOSE, Gael ,  DUPRE, Nicolas ,  LE SIGNOR, Théo

    IPC: G01D5/14 ,  G01D3/036

    Abstract: Magnetic sensor system comprising: an integrated circuit comprising a semiconductor substrate, the semiconductor substrate comprises a plurality of magnetic sensors configured for measuring at least two first magnetic field components (Bx1, Bx2) oriented in a first direction (X), and for measuring at least two second magnetic field components (Bz1, Bz2) oriented in a second direction (Y; Z); a permanent magnet movable relative to the integrated circuit and configured for generating a magnetic field; a processing circuit configured for determining at least two physical quantities (Fx, Fy, Fz) related to a position of the magnet, using a predefined algorithm based on the measured first and second magnetic field components (Bx1, Bx2; Bz1, Bz2) or values derived therefrom, as inputs, and that uses a plurality of at least eight constants which are determined using machine learning. A force sensor system. A joystick or thumbstick system. A method.

    MAGNETIC POSITION SENSOR SYSTEM AND METHOD
    5.
    发明公开
    MAGNETIC POSITION SENSOR SYSTEM AND METHOD 审中-公开

    公开(公告)号：EP4296623A2

    公开(公告)日：2023-12-27

    申请号：EP23207113.4

    申请日：2020-12-07

    Applicant: Melexis Technologies SA

    Inventor： CLOSE, Gael ,  HUBER LINDENBERGER, Samuel

    IPC: G01D5/244

    Abstract: A position sensor device comprises at least three magnetic sensor elements for measuring at least three magnetic field values of said magnetic field, and a processing circuit configured for determining at least two magnetic field gradients or magnetic field differences based on said at least three magnetic field values, and for deriving from said at least two magnetic field gradients or differences a first value indicative of a position of the position sensor device, and for deriving from said at least two magnetic field gradients or differences a second value indicative of integrity of the position sensor system.

    MAGNETIC SENSOR DEVICES, SYSTEMS AND METHODS, AND A FORCE SENSOR
    6.
    发明公开
    MAGNETIC SENSOR DEVICES, SYSTEMS AND METHODS, AND A FORCE SENSOR 审中-公开

    公开(公告)号：EP4148395A9

    公开(公告)日：2023-05-03

    申请号：EP21208061.8

    申请日：2021-11-12

    Applicant: Melexis Technologies SA

    Inventor： CLOSE, Gael ,  DUPRE, Nicolas ,  LE SIGNOR, Théo

    IPC: G01D5/14 ,  G01D3/036

    Abstract: Magnetic sensor system comprising: an integrated circuit comprising a semiconductor substrate, the semiconductor substrate comprises a plurality of magnetic sensors configured for measuring at least two first magnetic field components (Bx1, Bx2) oriented in a first direction (X), and for measuring at least two second magnetic field components (Bz1, Bz2) oriented in a second direction (Y; Z); a permanent magnet movable relative to the integrated circuit and configured for generating a magnetic field; a processing circuit configured for determining at least two physical quantities (Fx, Fy, Fz) related to a position of the magnet, using a predefined algorithm based on the measured first and second magnetic field components (Bx1, Bx2; Bz1, Bz2) or values derived therefrom, as inputs, and that uses a plurality of at least eight constants which are determined using machine learning. A force sensor system. A joystick or thumbstick system. A method.

    SENSOR DEVICE AND SYSTEM WITH NON-LINEARITY COMPENSATION
    7.
    发明公开
    SENSOR DEVICE AND SYSTEM WITH NON-LINEARITY COMPENSATION 审中-公开

    公开(公告)号：EP4170292A1

    公开(公告)日：2023-04-26

    申请号：EP22199529.3

    申请日：2022-10-04

    Applicant: Melexis Technologies SA

    Inventor： CLOSE, Gael ,  RAMAN, Johan ,  ROMBOUTS, Pieter ,  BONIN, Andreas ,  SACHSE, Eric

    IPC: G01D18/00 ,  G01D5/14 ,  G01D3/02

    Abstract: A sensor circuit (620) for measuring a physical quantity, the sensor circuit comprising: a signal acquisition circuit (640) comprising a sensor (621, 622) to provide an input signal (vl, v2) related to the physical quantity; a processing circuit (650) to receive said input signal (vl, v2) and for providing an output signal (θcorr) representative of the physical quantity; the processing circuit comprising a closed loop comprising: a first sub-circuit (660) arranged for receiving said input signal (vl, v2) and a feedback signal (fbi, fbq), and configured for providing a first signal (θest); a frequency dependent filter (632) for receiving and filtering said first signal (θest), and for providing the output signal (θcorr); a second sub-circuit (670) for receiving and converting said filtered signal (θcorr) into said feedback signal (fbi, fbq) using a non-linear function.

    MAGNETIC POSITION SENSOR SYSTEM AND METHOD
    9.
    发明公开
    MAGNETIC POSITION SENSOR SYSTEM AND METHOD 审中-公开

    公开(公告)号：EP3845864A1

    公开(公告)日：2021-07-07

    申请号：EP20212323.8

    申请日：2020-12-07

    Applicant: Melexis Technologies SA

    Inventor： CLOSE, Gael ,  HUBER LINDENBERGER, Samuel

    IPC: G01D3/08 ,  G01D5/14 ,  G01D3/036 ,  G01D5/244

    Abstract: A position sensor system comprising: a magnetic source for generating a magnetic field, and a position sensor device movable relative to the magnetic source, or vice versa. The position sensor device comprises at least three magnetic sensor elements for measuring at least three magnetic field values of said magnetic field, and a processing circuit configured for determining at least two magnetic field gradients or magnetic field differences based on said at least three magnetic field values, and for deriving from said at least two magnetic field gradients or differences a first value indicative of a position of the position sensor device, and for deriving from said at least two magnetic field gradients or differences a second value indicative of integrity of the position sensor system.

    MAGNETIC SENSOR DEVICES, SYSTEMS AND METHODS, AND A FORCE SENSOR
    10.
    发明公开
    MAGNETIC SENSOR DEVICES, SYSTEMS AND METHODS, AND A FORCE SENSOR 审中-公开

    公开(公告)号：EP4148395A1

    公开(公告)日：2023-03-15

    申请号：EP21208061.8

    申请日：2021-11-12

    Applicant: Melexis Technologies SA

    Inventor： CLOSE, Gael ,  DUPRE, Nicolas ,  LE SIGNOR, Théo

    IPC: G01D5/14 ,  G01D3/036

    Abstract: Magnetic sensor system comprising: an integrated circuit comprising a semiconductor substrate, the semiconductor substrate comprises a plurality of magnetic sensors configured for measuring at least two first magnetic field components (Bx1, Bx2) oriented in a first direction (X), and for measuring at least two second magnetic field components (Bz1, Bz2) oriented in a second direction (Y; Z); a permanent magnet movable relative to the integrated circuit and configured for generating a magnetic field; a processing circuit configured for determining at least two physical quantities (Fx, Fy, Fz) related to a position of the magnet, using a predefined algorithm based on the measured first and second magnetic field components (Bx1, Bx2; Bz1, Bz2) or values derived therefrom, as inputs, and that uses a plurality of at least eight constants which are determined using machine learning. A force sensor system. A joystick or thumbstick system. A method.

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