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    CHARGING CASE FOR PORTABLE WIRELESS LISTENING DEVICE
    3.
    发明公开
    CHARGING CASE FOR PORTABLE WIRELESS LISTENING DEVICE 审中-公开

    公开(公告)号：US20230269513A1

    公开(公告)日：2023-08-24

    申请号：US17895028

    申请日：2022-08-24

    Applicant: APPLE INC.

    Inventor： Benjamin A. Cousins ,  Jarrett Lagler ,  Dirk Schmelzer ,  Sebastien D. de Rivaz ,  Tian Shi Li ,  Phillip Qian ,  Rebecca Russell ,  Jeyakkrishnan Chengleput Srinivasan ,  Jue Wang ,  Jerzy S. Guterman ,  Joel C. Yamasaki

    IPC: H04R1/10 ,  H04R1/02 ,  H02J7/00

    CPC classification number: H04R1/1025 ,  H02J7/0044 ,  H04R1/023 ,  H04R1/1016 ,  H04R1/1041 ,  H04R1/1075 ,  H04R2420/07 ,  H04R2460/11

    Abstract: A charging case for a pair of wireless earphones comprising: a housing having a peripheral wall that defines a shell; a frame insert coupled to the housing and extending into the shell, the frame insert having one or more insert walls that define first and second pockets sized and shaped to accept first and second wireless earphones, respectively, wherein the one or more insert walls cooperate with the housing primary wall to define a sealed chamber within the charging case; a lid coupled to the housing and operable between a closed position in which the lid covers the first and second pockets and an open position in which the first and second pockets are exposed; a speaker module disposed within the sealed chamber, the speaker module comprising an audio driver having a diaphragm that separates a front volume of the audio driver from a back volume of the audio driver and a speaker vent disposed within the back volume; one or more first openings formed through the peripheral wall and opening into the front volume, wherein the audio driver is positioned and aligned to emit sound into the front volume and through the one or more acoustic openings; and one or more second openings formed through the peripheral wall at a location spaced apart from the front volume, wherein at least one of the one or more second openings is an acoustic vent acoustically coupled to the back volume of the audio driver through the speaker vent ear tip.

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