ELECTRONIC DEVICE
    2.
    发明申请

    公开(公告)号:US20210391930A1

    公开(公告)日:2021-12-16

    申请号:US17019163

    申请日:2020-09-11

    Applicant: Apple Inc.

    Abstract: A portable electronic device can include a housing that at least partially defines an internal volume and an external surface of the device. The housing can include an electromagnetically transparent portion that partially defines the exterior surface. The portable electronic device can include an antenna disposed in the internal volume and a sensing circuit disposed in the internal volume to receive a signal transmitted from the antenna.

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