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    SYSTEM AND METHOD FOR ACTIVE CANCELLATION OF MAGNETIC FIELDS IN A PASSENGER CABIN OF A VEHICLE
    1.
    发明申请
    SYSTEM AND METHOD FOR ACTIVE CANCELLATION OF MAGNETIC FIELDS IN A PASSENGER CABIN OF A VEHICLE 有权

    公开(公告)号：US20250065723A1

    公开(公告)日：2025-02-27

    申请号：US18653615

    申请日：2024-05-02

    Applicant: SAFEFIELDS TECHNOLOGIES LTD

    Inventor： Shaul SHULMAN ,  Bernard ARAMBEPOLA ,  Oded EI-NAT

    IPC: B60L3/00 ,  B60N2/90 ,  B60R16/023 ,  G01R33/00 ,  H01F7/06 ,  H01F27/34 ,  H05K9/00

    Abstract: A vehicle, comprising: a frame; a passenger compartment including a selected region suitable for presence of people; an electric motor that, when in operation is associated with an undesired magnetic field emitted into the selected region; a magnetic field generator positioned in at least one of a passenger seat, a vehicle door, or the frame, wherein the magnetic field generator is configured to at least reduce the undesired magnetic field in the selected region; a magnetic field sensor configured for sensing the undesired magnetic field emitted into the selected region; and a circuit configured to: receive from the magnetic field sensor sensing data indicative of the undesired magnetic field; determine a cancelation magnetic field for at least reducing the undesired magnetic field; and direct electrical signals to the magnetic field generator for generating the cancelation magnetic field for at least reducing the undesired magnetic field.

    Transformer
    2.
    发明授权
    Transformer 有权

    公开(公告)号：US12224110B2

    公开(公告)日：2025-02-11

    申请号：US17402119

    申请日：2021-08-13

    Applicant: Delta Electronics, Inc.

    Inventor： Ching-Hsien Teng ,  Chun-Ching Yen

    IPC: H01F27/24 ,  H01F27/28 ,  H01F27/34

    Abstract: A transformer is provided, including a core, a primary conductor, a magnetic member, and a secondary conductor. The core includes a central pillar and at least one lateral pillar. An accommodating space is formed between the central pillar and the lateral pillar. The primary conductor, the magnetic member, and the secondary conductor are disposed in the accommodating space. The primary conductor surrounds the central pillar. The magnetic member surrounds the primary conductor, and the secondary conductor surrounds the magnetic member. The magnetic member is disposed between the primary conductor and the secondary conductor, and is flexible.

    INDUCTOR COMPONENT
    4.
    发明申请
    INDUCTOR COMPONENT 有权

    公开(公告)号：US20240412907A1

    公开(公告)日：2024-12-12

    申请号：US18642888

    申请日：2024-04-23

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Takeru OZAWA

    IPC: H01F5/04 ,  H01F27/29 ,  H01F27/34

    Abstract: An inductor component includes an element assembly, a coil conductor inside the element assembly, and an outer electrode on an outer surface of the element assembly and electrically connected to the coil conductor. The element assembly includes a lower surface and a side surface. The outer electrode has a lower portion at the lower surface and a side portion at the side surface continuously with the lower portion. The coil conductor includes conductor patterns which form parts of an annular path on virtual inner surfaces intersecting both the lower and side surfaces and lined up at intervals. When a distance A is a shortest distance between the coil conductor and a boundary portion between the lower and side portions and a distance B is a shortest distance between the coil conductor and an end portion of the lower portion opposite the boundary portion, B/A is from 0.2 to 0.6.

    MAGNETIC CORE CONSIDERING SKIN EFFECT OF MAGNETIC FLUX AND DESIGN METHOD THEREOF
    6.
    发明申请
    MAGNETIC CORE CONSIDERING SKIN EFFECT OF MAGNETIC FLUX AND DESIGN METHOD THEREOF 有权

    公开(公告)号：US20240395454A1

    公开(公告)日：2024-11-28

    申请号：US18261957

    申请日：2023-02-14

    Applicant: Southeast University

    Inventor： Ming CHENG ,  Wei QIN ,  Xinkai ZHU ,  Wei HUA ,  Zheng WANG ,  Sa ZHU ,  Zhiyuan XU

    IPC: H01F27/34 ,  H01F27/24

    Abstract: According to a magnetic core considering the skin effect of magnetic flux and a design method thereof, with a cross-section of a magnetic core through which magnetic flux flows as a reference surface, the shape of the cross-section of the magnetic core is designed according to the electromagnetic characteristics, temperature characteristics, magnetic flux amplitude and operating frequency of the magnetic core, and a closed or discontinuous air path is formed inside the magnetic core by stretching the reference surface along the path of the magnetic flux, thereby forming a magnetic core having a duct structure. When a high-frequency magnetic flux is introduced into the magnetic core, the magnetic core considering the skin effect of magnetic flux and the design method thereof can reduce the weight of the magnetic core, reduce the power loss and temperature rise of the magnetic core, and suppress the skin effect of the magnetic core.

    MULTILAYER COIL COMPONENT
    9.
    发明公开
    MULTILAYER COIL COMPONENT 审中-公开

    公开(公告)号：US20240258007A1

    公开(公告)日：2024-08-01

    申请号：US18527766

    申请日：2023-12-04

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Shun TAKAI ,  Kenjirou KOSHIJI ,  Rika YAMADA ,  Yasushi TAKEDA

    IPC: H01F17/00 ,  H01F27/32 ,  H01F27/34

    CPC classification number: H01F17/0013 ,  H01F27/323 ,  H01F27/346 ,  H01F2017/002 ,  H01F27/292

    Abstract: A multilayer coil component includes a multilayer body including plurality of stacked insulating layers, a coil, and first and second connection conductors thereinside; and first and second outer electrodes that are electrically connected to the coil. The coil is configured by electrically connecting a plurality of coil conductors, which are stacked together with the insulating layers, to one another. The multilayer body has first and second end surfaces, which face each other in a length direction, first and second main surfaces, which face each other in a height direction perpendicular to the length direction, and first and second side surfaces, which face each other in a width direction perpendicular to the length and height directions. The first outer electrode covers at least part of the first end surface and extends from the first end surface and cover part of the first main surface.

    Circuit
    10.
    发明授权
    Circuit 有权

    公开(公告)号：US12020851B2

    公开(公告)日：2024-06-25

    申请号：US17217947

    申请日：2021-03-30

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Atsuo Hirukawa

    IPC: H01F27/29 ,  H01F17/00 ,  H01F27/32 ,  H01F27/34

    CPC classification number: H01F27/292 ,  H01F17/0013 ,  H01F27/324

    Abstract: A circuit includes a bias-tee circuit including a signal line, a constant-voltage power supply, an inductor, and a capacitor. The signal line includes a first signal line and a second signal line. The inductor includes a first inductor and a second inductor. The first inductor is connected to the first signal line and the constant-voltage power supply. The second inductor is connected to the second signal line and the constant-voltage power supply. The shortest distance between the first inductor and the second inductor is not less than 0.05 mm and not more than 1 mm (i.e., from 0.05 mm to 1 mm). The direction of a coil axis of the first inductor and the direction of a coil axis of the second inductor are parallel with a mounting surface and form an angle of approximately 90 degrees.

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