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公开(公告)号：US10337866B2
公开(公告)日：2019-07-02
申请号：US14926807
申请日：2015-10-29
Applicant: MOTOROLA SOLUTIONS, INC.
Inventor： Dorian Barladeanu , Nikola Kaludjerski , Gabi Ofir
Abstract: A method and apparatus for magnetic interference compensation of an embedded magnetometer. One embodiment provides a method for operating a mobile communications device that includes an electronic processor, a memory, and a magnetometer. In one exemplary embodiment, the method includes determining, by the electronic processor, an operational mode for the mobile communication device. The method further includes retrieving, from the memory and based on the operational mode, at least one predetermined calibration parameter. The method further includes obtaining, from the magnetometer, a magnetic field reading, and determining, by the electronic processor, a calibrated magnetic field value based on the magnetic field reading and the at least one predetermined calibration parameter.
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2.发明申请公开(公告)号：US20170122737A1
公开(公告)日：2017-05-04
申请号：US14926807
申请日：2015-10-29
Applicant: MOTOROLA SOLUTIONS, INC.
Inventor： Dorian Barladeanu , Nikola Kaludjerski , Gabi Ofir
CPC classification number: G01C17/38 , G01R33/0035
Abstract: A method and apparatus for magnetic interference compensation of an embedded magnetometer. One embodiment provides a method for operating a mobile communications device that includes an electronic processor, a memory, and a magnetometer. In one exemplary embodiment, the method includes determining, by the electronic processor, an operational mode for the mobile communication device. The method further includes retrieving, from the memory and based on the operational mode, at least one predetermined calibration parameter. The method further includes obtaining, from the magnetometer, a magnetic field reading, and determining, by the electronic processor, a calibrated magnetic field value based on the magnetic field reading and the at least one predetermined calibration parameter.
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