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公开(公告)号：US20250159412A1
公开(公告)日：2025-05-15
申请号：US18839485
申请日：2023-03-09
Applicant: GOERTEK INC.
Inventor： Xiaodong CAI , Song LIU , Xianzhong LANG , Chengfei ZHANG , Chunfa LIU
Abstract: Disclosed are a sound generating module and an electronic device, the sound generating module including a sound generating unit, and the sound generating unit including a magnetic circuit system, a receiver unit and a speaker unit. The magnetic circuit system is provided with a first magnetic gap and a second magnetic gap; the receiver unit includes a first diaphragm and a first voice coil, the first diaphragm and the magnetic circuit system enclose to form a first rear cavity, the first voice coil is accommodated in the first rear cavity, one end of the first voice coil is coupled to the first diaphragm, and the other end of the first voice coil is inserted into the first magnetic gap; and the speaker unit includes a second diaphragm and a second voice coil, the second diaphragm and the magnetic circuit system enclose to form a second rear cavity.
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公开(公告)号：US20230247365A1
公开(公告)日：2023-08-03
申请号：US17999880
申请日：2020-11-07
Applicant: GOERTEK INC.
Inventor： Chunfa LIU , Jianbin YANG , Jianxin WANG , Shousong QIANG
Abstract: Disclosed is an application device, comprising a plurality of elastic members, each elastic member comprises a first connecting portion, a second connecting portion and a deformation portion therebetween, the first connecting portion and the second connecting portion are respectively connected to different members in the application device, and the different members are movable or fixed relative to each other, wherein the deformation portion is formed by extending from a first end to a second end in a straight line and/or a curve in the same direction or in different directions. According to the present disclosure, the manufacturing is simple and convenient, thinning of product is facilitated, and the elastic members maintain good compliance, without influencing the vibration of a vibration unit. At least one elastic member is widened and/or has at least two cross sections with different sizes, thereby reducing the stress concentration, and eliminating the resonance.
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公开(公告)号：US20220377465A1
公开(公告)日：2022-11-24
申请号：US17773228
申请日：2020-11-05
Applicant: Goertek Inc.
Inventor： Jianbin YANG , Shousong QIANG , Chunfa LIU
Abstract: Disclosed are a damper and a sound-producing device. The damper includes a first connecting part, a planar elastic part and a second connecting part. One side of the first connecting part is cooperatively connected to a voice coil; an end of the first connecting part is bent and extends toward the other side of the first connecting part to form the planar elastic part, the planar elastic part and the first connecting part being in the same plane; the second connecting part is connected to one end of the planar elastic part away from the first connecting part and is configured to be fixedly connected; the damper is of a line-like shape formed by winding of a metal wire, a Young's modulus of a wire rod of the metal wire is 0.7e11 pa to 3e11 pa, a mechanical stiffness Kms of a wire rod of the metal wire is 0.2 N/mm to 2 N/mm.
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24.发明申请公开(公告)号：US20220286782A1
公开(公告)日：2022-09-08
申请号：US17628272
申请日：2019-08-13
Applicant: GOERTEK INC.
Inventor： Chunfa LIU , Fenglei ZU , Xinfeng YANG
Abstract: Disclosed is a magnetic circuit structure of a transducer comprising a static magnetic field generating device which comprises magnet sets, the magnet sets comprise a first magnet set magnetized in a moving direction of the transducer, a second magnet set and a third magnet set located in a direction orthogonal to a static magnetic field generated by the first magnet set, a magnetization direction of the second magnet set is orthogonal to that of the first magnet set, a magnetization direction of the third magnet set is orthogonal to that of the second and first magnet sets, the second and third magnet sets increase a magnetic induction intensity of the static magnetic field. The magnetic circuit structure of the transducer in the present disclosure can effectively solve the problem that a driving force of the transducer applying thereof is not sufficient, thus increasing the efficiency of electric-to-mechanical conversion.
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公开(公告)号：US20210368272A1
公开(公告)日：2021-11-25
申请号：US17256607
申请日：2018-12-14
Applicant: GOERTEK INC.
Inventor： Xinglong WANG , Lianshan GE , Chunfa LIU
Abstract: A sounding device includes a first vibrating system, a second vibrating system and a magnetic circuit system, where the first vibrating system includes a first vibrating diaphragm and a voice coil arranged inside the first vibrating diaphragm, and the first vibrating diaphragm includes a first central portion; the second vibrating system includes a second vibrating diaphragm disposed opposite to the first vibrating diaphragm, and the second vibrating diaphragm includes a second central portion; and the magnetic circuit system is arranged between the first vibrating diaphragm and the second vibrating diaphragm, and the voice coil is accommodated in a magnetic gap of the magnetic circuit system; the magnetic circuit system defines an avoid hole; and at least one of the first central portion and the second central portion is extended into the avoid hole to fixedly connect the first central portion and the second central portion.
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Patent Agency Ranking
公开(公告)号：US20210321199A1
公开(公告)日：2021-10-14
申请号：US17051035
申请日：2018-12-11
Applicant: GOERTEK INC.
Inventor： Hanlong CHENG , Chengfei ZHANG , Chunfa LIU
Abstract: The present disclosure provides a sound generating unit, a sound generating module and electronic terminal, comprising a magnetic circuit system, a vibration system, and a circuit board. The voice coil is jointly wound by two voice coil wires, and the two end portions of each voice coil wire respectively form a wire-in end and a wire-out end; the lead-out positions of the two wire-in ends are located on two sides of the voice coil and arranged diagonally, and the lead-out positions of the two wire-out ends are located on two sides of the voice coil and arranged diagonally; the two wire-in ends and the two wire-out ends are electrically connected to the corresponding pads of the circuit board respectively, and the internal circuit of the circuit board is configured to electrically connect the two wire-in ends together, and electrically connect the two wire-out ends together.
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公开(公告)号：US20210274289A1
公开(公告)日：2021-09-02
申请号：US17256611
申请日：2018-12-17
Applicant: GOERTEK INC.
Inventor： Xinglong WANG , Jianjian WANG , Tongyan XU , Chunfa LIU
Abstract: Disclosed are a sound device and a portable terminal. The sound device includes a first vibration system including a bobbin voice coil, the bobbin voice coil being provided behind a first diaphragm and fixedly connected to the first diaphragm, the bobbin voice coil including a bobbin and a voice coil body formed by winding voice coil leads on the bobbin, one end of the bobbin away from the first diaphragm at least partially configured to protrude from the voice coil body; a second vibration system including a second diaphragm opposite to the first diaphragm; and a magnetic circuit system between the first diaphragm and the second diaphragm, the magnetic circuit system being provided with an avoiding portion. One end of the bobbin away from the first diaphragm is movable to penetrate through the avoiding portion and is fixedly connected to the second diaphragm.
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公开(公告)号：US20210235196A1
公开(公告)日：2021-07-29
申请号：US17050985
申请日：2018-12-11
Applicant: GOERTEK INC.
Inventor： Hanlong CHENG , Chengfei ZHANG , Chunfa LIU
Abstract: The present disclosure provides a sound generating unit, a sound generating module and electronic terminal, comprising a magnetic circuit system, a vibration system, and a circuit board. The voice coil is jointly wound by two voice coil wires, and the two end portions of each voice coil wire respectively form a wire-in end and a wire-out end; the lead-out positions of the two wire-in ends are located on one side of the voice coil, and the lead-out positions of the two wire-out ends are located on the other side of the voice coil; the two wire-in ends and the two wire-out ends are electrically connected to the corresponding pads of the circuit board respectively, and the internal circuit of the circuit board is configured to electrically connect the two wire-in ends together, and electrically connect the two wire-out ends together.
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公开(公告)号：US20190052161A1
公开(公告)日：2019-02-14
申请号：US16075560
申请日：2016-05-18
Applicant: GOERTEK INC.
Inventor： Fenglei ZU , Chunfa LIU
IPC: H02K33/16
Abstract: The vibrator comprises a vibration block, and the vibration block comprises at least one permanent magnet, the stator comprises conductive blocks, and the conductive blocks are subjected to the effect of a magnetic field force which is the same as and/or opposite to the vibration direction of the vibrator. When the vibrator is in a balanced state, the resultant force of the magnetic field force is zero. When the magnetic conductive blocks are subjected to the effect of an excitation force to perform a relative displacement relative to the vibrator in the vibration direction of the vibrator, a direction of the resultant force of the magnetic field forces is the same as the direction of the relative displacement, a magnitude of the resultant force of the magnetic field forces has a proportional relationship with a magnitude of the relative displacement. The conductive blocks are used to replace the stator coils.
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公开(公告)号：US20180375415A1
公开(公告)日：2018-12-27
申请号：US15776788
申请日：2016-05-19
Applicant: GOERTEK INC.
Inventor： Chunfa LIU , Fenglei ZU
IPC: H02K33/18
Abstract: A linear vibration motor includes a vibration block having permanent magnets and magnetic conductive yokes between adjacent permanent magnets; and a stator having stator coils arranged corresponding to the vibration block and magnetic conductive cores in the stator coils, a magnetic conductive brush being fixed on the magnetic conductive cores and a brush head of the brush being in elastic contact with the magnetic conductive yokes; or, a magnetic conductive brush being fixed on the magnetic conductive yokes and the brush head of the brush being in elastic contact with the magnetic conductive cores. The magnetic field lines generated by the vibration block can be concentrated to be conducted to the stator coils, thereby maximizing the effective magnetic field of the vibration block to improve the acting force between the vibrator and the stator and obtain an intensified vibration effect.
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