Electronic Device with Antenna Polarization Diversity

    公开(公告)号:US20250087871A1

    公开(公告)日:2025-03-13

    申请号:US18623219

    申请日:2024-04-01

    Applicant: Apple Inc.

    Abstract: A head-mounted device may have a housing with a cover having three-dimensional curvature. A front-facing display may be mounted to the cover and may display images through the cover. The cover may have a peripheral region laterally surrounding the front-facing display. An antenna may have an antenna resonating element layered onto the cover overlapping the peripheral region. The antenna may be switchable between a first polarization state and a second polarization state. In the first polarization state, the antenna conveys radio-frequency signals having a first polarization with an earbud. In the second polarization state, the antenna conveys radio-frequency signals having a second polarization with the earbud. One or more processors may gather wireless performance metric data from the radio-frequency signals and may adjust the antenna between the polarization states to optimize the wireless performance metric data.

    Systems with wireless communications

    公开(公告)号:US12055718B2

    公开(公告)日:2024-08-06

    申请号:US18166367

    申请日:2023-02-08

    Applicant: Apple Inc.

    CPC classification number: G02B27/017 H01Q1/241

    Abstract: A head-mounted device may have a head-mounted housing. The head-mounted housing may have rear-facing displays that display images for a user. The images are viewable from eye boxes while the head-mounted device is being worn by the user. A peripheral conductive member may run along a peripheral edge of the front face of the housing. Dielectric-filled gaps may divide the peripheral conductive member into elongated conductive segments. The conductive segments may form antenna resonating elements for antennas on the front face. Radio-frequency transceiver circuitry such as cellular telephone transceiver circuitry may be coupled to the antennas.

    Electronic Devices With Millimeter Wave Antennas

    公开(公告)号:US20240186721A1

    公开(公告)日:2024-06-06

    申请号:US18441656

    申请日:2024-02-14

    Applicant: Apple Inc.

    CPC classification number: H01Q21/06 G02B27/017 H01Q1/276 H01Q1/405

    Abstract: A head-mounted device may have a head-mounted housing that is configured to be worn on a head of a user. While the head-mounted device is being worn, left and right displays in optical modules in the head-mounted device may provide images to eye boxes located rearward of the head-mounted device. A forward-facing publicly viewable display on a front portion of the head-mounted device may be covered with a transparent housing portion forming a display cover layer. Millimeter wave antennas may be mounted under a dielectric member that is interposed between the antennas and an edge portion of the transparent housing portion. The antennas may have planar outer surfaces. The dielectric member may have a planar surface separated from the planar outer surfaces by air gaps and a curved outer surface.

    Electronic Devices Having Multilayer Millimeter Wave Antennas

    公开(公告)号:US20240097320A1

    公开(公告)日:2024-03-21

    申请号:US18521521

    申请日:2023-11-28

    Applicant: Apple Inc.

    CPC classification number: H01Q1/523 H01Q3/34 H01Q9/0414 H01Q19/005

    Abstract: An electronic device may have a phased antenna array. An antenna in the array may include a rectangular patch element with diagonal axes. The antenna may have first and second antenna feeds coupled to the patch element along the diagonal axes. The antenna may be rotated at a forty-five degree angle relative to other antennas in the array. The antenna may have one or two layers of parasitic elements overlapping the patch element. For example, the antenna may have a layer of coplanar parasitic patches separated by a gap. The antenna may also have an additional parasitic patch that is located farther from the patch element than the layer of coplanar parasitic patches. The additional parasitic patch may overlap the patch element and the gap in the coplanar parasitic patches. The antenna may exhibit a relatively small footprint and minimal mutual coupling with other antennas in the array.

    Electronic devices having wideband antennas

    公开(公告)号:US11862838B2

    公开(公告)日:2024-01-02

    申请号:US16851812

    申请日:2020-04-17

    Applicant: Apple Inc.

    CPC classification number: H01Q5/10 H01Q5/328 H01Q7/00

    Abstract: An electronic device may include a curved cover layer and an antenna. The antenna may include a ground and a resonating element on a curved surface of a substrate. The curved surface may have a curvature that matches that of the cover layer. The resonating element may include first, second, and third arms fed by a feed. The first arm and a portion of the ground may form a loop antenna resonating element. The second arm and the first arm may form an inverted-F antenna resonating element, where a portion of the first arm forms a return path to the antenna ground for the inverted-F antenna resonating element. A gap between the first and second arms may form a distributed capacitance. The third arm may form an L-shaped antenna resonating element. The antenna may have a wide bandwidth from below 2.4 GHz to greater than 9.0 GHz.

    Systems With Wireless Communications
    68.
    发明公开

    公开(公告)号:US20230333376A1

    公开(公告)日:2023-10-19

    申请号:US18166367

    申请日:2023-02-08

    Applicant: Apple Inc.

    CPC classification number: G02B27/017 H01Q1/241

    Abstract: A head-mounted device may have a head-mounted housing. The head-mounted housing may have rear-facing displays that display images for a user. The images are viewable from eye boxes while the head-mounted device is being worn by the user. A peripheral conductive member may run along a peripheral edge of the front face of the housing. Dielectric-filled gaps may divide the peripheral conductive member into elongated conductive segments. The conductive segments may form antenna resonating elements for antennas on the front face. Radio-frequency transceiver circuitry such as cellular telephone transceiver circuitry may be coupled to the antennas.

    Electronic devices having antennas with hybrid substrates

    公开(公告)号:US11646501B2

    公开(公告)日:2023-05-09

    申请号:US17338481

    申请日:2021-06-03

    Applicant: Apple Inc.

    CPC classification number: H01Q19/005 H01Q1/38 H01Q21/065 H01Q1/243

    Abstract: An electronic device may have an antenna embedded in a substrate. The substrate may have first layers, second layers on the first layers, and third layers on the second layers. The antenna may include a first patch on the first layers that radiates in a first band, a second patch on the second antenna layers that radiates in a second band, and a parasitic patch on the third layers. A short path may couple ground to a location on the first patch that allows the first patch to form a ground extension in the second band for the second patch without affecting performance of the first patch in the first band. The first layers may have a higher dielectric permittivity than the second and third layers to minimize the thickness of the substrate without requiring a separate dielectric loading layer over the substrate.

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