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    Inductive charging ports for portable computing devices
    141.
    发明授权
    Inductive charging ports for portable computing devices 有权

    公开(公告)号：US10298075B2

    公开(公告)日：2019-05-21

    申请号：US15442209

    申请日：2017-02-24

    Applicant: Apple Inc.

    Inventor： Benjamin J. Kallman ,  Michael B. Wittenberg ,  Christopher S. Graham

    IPC: H02J50/10 ,  H02J50/90 ,  H02J7/02 ,  H01F38/14 ,  H02J7/00 ,  H01F27/02 ,  H01F27/26 ,  H01F27/40

    Abstract: Connector assemblies may be space efficient, have a high corrosion resistance, are difficult to damage, reduce or prevent moisture leakage into an electronic device housing the connector assembly, are readily assembled, and are reliable. One example may provide an inductive charging port for transferring electrical energy from a first electric device to a second electronic device. As compared to conventional connector inserts and connector receptacles, these inductive charging ports may have a smaller form factor and consume a reduced volume in an electronic device. Corrosion resistance may be provided by including a protective layer or cover portion over what would otherwise be exposed surfaces of a transformer core. O-rings, gaskets, or other structures may be included to reduce moisture leakage into a device. The inductive charging port may include a low number of parts for a simplified assembly, and thermal management of various types may be used to improve reliability.

    INDUCTIVE MODULE
    142.
    发明申请
    INDUCTIVE MODULE 审中-公开

    公开(公告)号：US20190097462A1

    公开(公告)日：2019-03-28

    申请号：US16137431

    申请日：2018-09-20

    Applicant: Apple Inc.

    Inventor： Karl Ruben F. Larsson ,  Eric S. Jol ,  Christopher S. Graham ,  Aaron A. Oro

    IPC: H02J50/12 ,  H04B5/00 ,  H01F27/28 ,  H01F27/24 ,  H02J7/02 ,  H01F27/22 ,  H01F27/36 ,  H01F38/14

    Abstract: Embodiments describe a wireless power receiving module to receive magnetic flux for wireless power transfer. The wireless power receiving module includes a receiver coil comprising a single length of wire wound into a plurality of turns, an electromagnetic receiver shield coupled to a first side of the receiver coil, a ferrite layer coupled to a second side of the receiver coil opposite of the first side, the ferrite layer positioned to redirect magnetic flux during the charging event to improve charging efficiency, and a thermal mitigation shield comprising a thermally conductive layer adhered to an electrically conductive layer where the electrically conductive layer is coupled to ground, and where the ferrite layer is sandwiched between the thermal mitigation shield and the receiver coil.

    WIRELESS CHARGING MATS WITH MULTI-LAYER TRANSMITTER COIL ARRANGEMENTS
    148.
    发明申请
    WIRELESS CHARGING MATS WITH MULTI-LAYER TRANSMITTER COIL ARRANGEMENTS 审中-公开

    公开(公告)号：US20180090955A1

    公开(公告)日：2018-03-29

    申请号：US15699978

    申请日：2017-09-08

    Applicant: Apple Inc.

    Inventor： Christopher S. Graham ,  Demetrios B. Karanikos ,  Eric S. Jol ,  Karl Ruben F. Larsson ,  Stefan A. Kowalski

    IPC: H02J7/00 ,  H02J7/02 ,  H02J50/10

    Abstract: Embodiments describe a wireless charging device including: a housing having an outer perimeter and a charging surface within the outer perimeter, the housing including a first wall and a second wall that define an interior cavity; and a transmitter coil arrangement disposed within the interior cavity and below the planar charging surface. The transmitter coil arrangement includes: a plurality of transmitter coils arranged in different layers, each transmitter coil having a first termination end, a second termination end, and a coil of wire that winds from an inner diameter to an outer diameter between the first and second termination ends; where the first termination end of each transmitter coil is disposed within the inner diameter of its respective coil of wire and the second termination end of each transmitter coil is disposed outside the outer diameter of its respective coil of wire

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