Display apparatus
    1.
    发明授权

    公开(公告)号:US12047743B2

    公开(公告)日:2024-07-23

    申请号:US18234203

    申请日:2023-08-15

    摘要: A display apparatus includes: a display panel configured to display an image, and at least one vibration module on a rear surface of the display panel, the at least one vibration module including a piezoelectric composite layer including a plurality of sub-modules configured to vibrate the display panel, each of the plurality of sub-modules including: a plurality of first portions including a piezoelectric characteristic, and a plurality of second portions having flexibility, each of the plurality of second portions being between a respective pair of the plurality first portions, wherein the plurality of first portions in the respective sub-modules are arranged in a same direction or are partially arranged in different directions.

    Earphones
    3.
    发明授权

    公开(公告)号:US11711642B2

    公开(公告)日:2023-07-25

    申请号:US17288912

    申请日:2018-10-28

    发明人: Akihiko Hosaka

    IPC分类号: H04R1/10 H04R1/20

    摘要: An earphone including a speaker that outputs sounds to a uniaxial direction; a sound guide tube offset from a center of the speaker to and disposed on one side of a direction orthogonal to the uniaxial direction, the sound guide tube extending to a direction parallel to the uniaxial direction; and a housing accommodating the speaker and supporting a base end of the sound guide tube, wherein the housing is broadened from the base end to other side opposite to the one side, toward a location where the speaker is accommodated, and has an inclined surface that inclines at the broadened location, and a separation distance between a central axis of the speaker and a central axis of the sound guide tube is smaller than an internal radius of the sound guide tube.

    Microphone with Integrated Sound Box
    6.
    发明申请

    公开(公告)号:US20190069060A1

    公开(公告)日:2019-02-28

    申请号:US16001341

    申请日:2018-06-06

    发明人: Kuo SU

    摘要: A microphone with integrated speaker which includes a front casing with a front connecting portion and a front handle portion having a battery opening; a rear casing with a rear connecting portion and a rear handle portion connected to the front casing to form a first cavity with a cylindrical connecting portion and a cylindrical handle portion with a second cavity; a metallic net cover coupled with the cylindrical connecting portion; a vocal pickup support arrangement provided inside the metallic net cover between the front connecting portion and the rear connecting portion in which a vocal pickup unit is provided; a speaker positioned inside the first cavity; a pair of electrode plates positioned inside the second cavity; a circuit board affixed on the front casing; a battery cover detachably connected to the front handle portion; and an aluminum alloy handle covers the cylindrical handle portion.

    Resonance damping for audio transducer systems

    公开(公告)号:US10085086B2

    公开(公告)日:2018-09-25

    申请号:US15622251

    申请日:2017-06-14

    发明人: Shengrong Shi

    IPC分类号: H04R1/02 H04R1/20 H04R1/28

    摘要: An apparatus comprising: an audio transducer configured to at least one of: generate sound upon receiving an audio signal provided by the apparatus; and convert sound into an audio signal to be processed by the apparatus; a housing component comprising one or more sound apertures configured to allow the transmission of sound through the one or more sound apertures; and an acoustic cavity inside the apparatus being acoustically coupled to the audio transducer using the one or more sound apertures wherein the one or more sound apertures are configured to provide an acoustic damping.

    SPEAKER MODULE
    9.
    发明申请
    SPEAKER MODULE 审中-公开

    公开(公告)号:US20180035198A1

    公开(公告)日:2018-02-01

    申请号:US15549043

    申请日:2015-12-24

    申请人: GOERTEK INC.

    摘要: Provided is a speaker module, comprising a sound passage of a front cavity, wherein the sound passage is defined by a speaker unit, a housing and a sound hole provided on the housing, wherein the speaker module further comprises a sealed cavity and a communication hole, wherein the sealed cavity is provided on a side wall of the sound passage of the front cavity, and the sealed cavity is in communication with the sound passage of the front cavity via the communication hole. By means of the present invention, an SPL peak at Fh and harmonic distortion caused by front cavity resonance can be reduced, so that the acoustic performance of a speaker is enhanced, and the sound quality is improved.