Connection Structure
    7.
    发明公开

    公开(公告)号:US20230378687A1

    公开(公告)日:2023-11-23

    申请号:US18031086

    申请日:2021-12-08

    Inventor: Sang Ok Seon

    Abstract: A connection structure according to an embodiment disclosed in the present disclosure includes: a first connection part provided on a surface of a first member, the first member including at least one conductor pattern; and a second connection part provided on a surface of a second member, the second member having at least one conductive pad formed on a surface thereof and configured to be coupled to a surface of the first connection part by a magnetic force so that at least one conductor pattern and at least one conductive pad are electrically connected to each other.

    HANDHELD PIPELINE INSPECTION TOOL WITH PLANAR EXCITATION COIL

    公开(公告)号:US20190219542A1

    公开(公告)日:2019-07-18

    申请号:US16216858

    申请日:2018-12-11

    Inventor: Paul Lott Yuan Ji

    Abstract: Apparatuses and methods for inspecting a section of pipe are disclosed. The apparatuses includes a handheld pipeline inspection tool that includes a planar excitation coil within a pad and an array of magnetometers disposed within a box attached to the pad. The excitation coil is formed from a plurality of loops of conductive traces printed on printed circuit board within the pad and the excitation coil is energized with an alternating current received from a power source within the box. The energized excitation coil generates a magnetic field that interacts with the section of pipe and the magnetometer array is used to detect variations in the magnetic field due to the presence of defects within the section of pipe.

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