SENSORS
    1.
    发明申请
    SENSORS 审中-公开
    传感器

    公开(公告)号:US20160289789A1

    公开(公告)日:2016-10-06

    申请号:US15177953

    申请日:2016-06-09

    摘要: Embodiments of the present invention provide an electromagnetic sensor (400) for detecting a microstructure of a metal target, comprising: a magnetic device (410, 420) for providing an excitation magnetic field; a magnetometer (430) for detecting a resultant magnetic field induced in a metal target; and a calibration circuit (450, 551, 552, 553, 554) for generating a calibration magnetic field for calibrating the electromagnetic sensor, wherein the calibration reference magnetic field is generated by an electrical current induced in the calibration circuit by the excitation magnetic field.

    摘要翻译: 本发明的实施例提供一种用于检测金属靶的微结构的电磁传感器(400),包括:用于提供激励磁场的磁性装置(410,420); 用于检测在金属靶中感应的合成磁场的磁力计(430); 以及用于产生用于校准所述电磁传感器的校准磁场的校准电路(450,551,552,553,554),其中所述校准参考磁场由所述校准电路中由激励磁场感生的电流产生。

    Sensors
    2.
    发明授权
    Sensors 有权

    公开(公告)号:US10113212B2

    公开(公告)日:2018-10-30

    申请号:US15177953

    申请日:2016-06-09

    摘要: Embodiments of the present invention provide an electromagnetic sensor (400) for detecting a microstructure of a metal target, comprising: a magnetic device (410, 420) for providing an excitation magnetic field; a magnetometer (430) for detecting a resultant magnetic field induced in a metal target; and a calibration circuit (450, 551, 552, 553, 554) for generating a calibration magnetic field for calibrating the electromagnetic sensor, wherein the calibration reference magnetic field is generated by an electrical current induced in the calibration circuit by the excitation magnetic field.

    Sensors
    3.
    发明授权
    Sensors 有权

    公开(公告)号:US10144987B2

    公开(公告)日:2018-12-04

    申请号:US15177953

    申请日:2016-06-09

    摘要: Embodiments of the present invention provide an electromagnetic sensor (400) for detecting a microstructure of a metal target, comprising: a magnetic device (410, 420) for providing an excitation magnetic field; a magnetometer (430) for detecting a resultant magnetic field induced in a metal target; and a calibration circuit (450, 551, 552, 553, 554) for generating a calibration magnetic field for calibrating the electromagnetic sensor, wherein the calibration reference magnetic field is generated by an electrical current induced in the calibration circuit by the excitation magnetic field.