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    LINEAR VIBRATION MOTOR
    11.
    发明申请
    LINEAR VIBRATION MOTOR 审中-公开

    公开(公告)号：US20190006926A1

    公开(公告)日：2019-01-03

    申请号：US15746737

    申请日：2016-12-19

    Applicant: Goertek Inc.

    Inventor： Yueguang Zhu ,  Weiye Zang ,  Bin Wang ,  Chunfa Liu

    IPC: H02K33/02 ,  H02K33/18 ,  H02K5/24

    Abstract: A linear vibration motor is disclosed. The motor comprises: a stator component comprising a shell, a pole core and a coil component, wherein the shell has a cavity body therein, the pole core is disposed on a bottom and comprises a magnetic pole at the middle of the pole core along a vibration direction and protruding out of the outer surface of the pole core, the coil component is divided into a first coil and a second coil by the magnetic pole, and current directions of the first and second coils are opposite; a vibrator component comprising a permanent magnet surrounding the coil component and a counter weight part on the permanent magnet, the permanent magnet being axially magnetized; and an elastic element, by which the vibrator component is suspended in the cavity body, and which is configured for returning the vibrator component to an initial position.

    Sound generating apparatus and electronic device
    13.
    发明授权
    Sound generating apparatus and electronic device 有权

    公开(公告)号：US12160722B2

    公开(公告)日：2024-12-03

    申请号：US17999877

    申请日：2020-11-07

    Applicant: GOERTEK INC.

    Inventor： Chunfa Liu ,  Jianbin Yang ,  Jianxin Wang ,  Shousong Qiang

    IPC: H04R9/04 ,  H04R9/02 ,  H04R9/06

    Abstract: A sound generating apparatus and an electronic device, comprising: a voice coil assembly; a pad disposed on a surface of the voice coil assembly and also provided with a separation structure, and the separation structure separates the pad into a first conductive part and a second conductive part, the first conductive part and the second conductive part are electrically connected, and the voice coil assembly is electrically connected with the first conductive part; and a conductive elastic member connected with the second conductive part, and the conductive elastic member is used for centering support the voice coil assembly. The technical solution of the present disclosure is intended to ensure that the welding end of the conductive structure and the welding end of the voice coil are consistent in height on the welding surface, so as to ensure the sound generating effect of the sound generating apparatus.

    Sound-producing device
    15.
    发明授权
    Sound-producing device 有权

    公开(公告)号：US11979731B2

    公开(公告)日：2024-05-07

    申请号：US17773441

    申请日：2020-11-05

    Applicant: GOERTEK INC.

    Inventor： Jianbin Yang ,  Shousong Qiang ,  Chunfa Liu

    IPC: H04R25/00 ,  H04R9/04 ,  H04R9/06

    CPC classification number: H04R9/06 ,  H04R9/043 ,  H04R2400/11

    Abstract: Disclosed is a sound-producing device, including: a voice coil configured to be able to be input an electrical signal; and a damper including a first connecting part, a planar elastic part and a second connecting part. The first connecting part is configured to be connected to the voice coil; the second connecting part is configured to be fixed to the sound-producing device; the planar elastic part is formed by the first connecting part being bent and extending toward the second connecting part; the damper has a mechanical stiffness Kms of 0.2 N/mm to 2 N/mm; the sound-producing device has a resonance frequency F0 of 50 Hz to 300 Hz; the sound-producing device has a total harmonic distortion THD of less than 10% in a frequency range of 100 Hz to 300 Hz.

    Linear vibration motor and electronic device
    19.
    发明授权
    Linear vibration motor and electronic device 有权

    公开(公告)号：US11515773B2

    公开(公告)日：2022-11-29

    申请号：US16489161

    申请日：2017-06-21

    Applicant: Goertek, Inc.

    Inventor： Yueguang Zhu ,  Chao Wang ,  Chunfa Liu

    IPC: H02K33/16 ,  H02K33/06 ,  B06B1/04

    Abstract: A linear vibration motor is provided, comprising a housing, a spring part, a vibrator and a stator, the housing having a chamber, the stator, the vibrator and the spring part being provided in the chamber, the vibrator comprising a counterweight part and a magnet connected together, the stator comprising a pole core and a coil, the pole core being connected to the housing, the coil being wound around the pole core, the housing being configured to be magnetically conductive, the vibrator being suspended relative to the stator by the spring part, the housing comprising a top part and an opposed bottom part, and the vibrator being configured to vibrate along a connecting line between the top part and the bottom part.

    DIAPHRAGM FOR SOUND GENERATING DEVICE AND SOUND GENERATING DEVICE
    20.
    发明申请
    DIAPHRAGM FOR SOUND GENERATING DEVICE AND SOUND GENERATING DEVICE 有权

    公开(公告)号：US20220369037A1

    公开(公告)日：2022-11-17

    申请号：US17618976

    申请日：2020-04-21

    Applicant: Goertek Inc.

    Inventor： BING HUI ,  Shuqiang Wang ,  Fengguang Ling ,  Chun Li ,  Chunfa Liu

    IPC: H04R7/12 ,  H04R7/06 ,  C08L15/00 ,  C08J3/24

    Abstract: Disclosed are a diaphragm for a sound generating device and a sound generating device. The vibration diaphragm comprises at least one elastomer layer, wherein the elastomer layer is made of a hydrogenated nitrile butadiene rubber polymer; and the hydrogenated nitrile butadiene rubber polymer comprises acrylonitrile blocks, content of the acrylonitrile blocks in the hydrogenated nitrile butadiene rubber polymer ranging from 10 wt % to 70 wt %, a vulcanizing agent is added into the hydrogenated nitrile butadiene rubber polymer, and content of the vulcanizing agent is 1% to 15% of total content of the hydrogenated nitrile butadiene rubber polymer. The diaphragm of the present disclosure has excellent resilience, maintains high elasticity in a low-temperature environment and is capable of long-time working in a high-temperature environment, therefore enabling the sound generating device to be applied in an extremely severe environment while keeping its acoustic performance in an excellent state.

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