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公开(公告)号：US11457316B2
公开(公告)日：2022-09-27
申请号：US17252367
申请日：2018-10-13
Applicant: GOERTEK INC.
Inventor： Ting Wang , Guodong Zhao , Jie Zhu , Chun Li , Chunfa Liu
Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes a thermoplastic polyester elastomer film layer (11), a thermoplastic polyester elastomer being a copolymer composed of a polyester hard segment A and a polyether or aliphatic polyester soft segment B, wherein a mass percentage of the polyester hard segment A is 10-95%. The speaker diaphragm features high structural strength, is not easy to be damaged, and has good toughness and resilience and a good sound generation effect.
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公开(公告)号：US11317218B2
公开(公告)日：2022-04-26
申请号：US16975772
申请日：2018-12-25
Applicant: Goertek Inc.
Inventor： Guodong Zhao , Peijun Li , Yaqian Ji , Zhilei Han
Abstract: A sound generator comprises a shell, a vibration system and a magnetic circuit system, wherein the shell sequentially accommodates and fixes the vibration system and the magnetic circuit system from top to bottom; the magnetic circuit system comprises a magnetic conductive yoke, and a central magnetic circuit portion and a side magnetic circuit portion that are mounted on an upper surface of the magnetic conductive yoke; a magnetic gap is formed between the central magnetic circuit portion and the side magnetic circuit portion; and at least one of the central magnetic circuit portion and the side magnetic circuit portion is provided with a permanent magnet; the magnetic circuit system is provided with a rear sound hole; a rear cavity in communication with the rear sound hole is provided directly below the magnetic circuit system.
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公开(公告)号：US10397718B2
公开(公告)日：2019-08-27
申请号：US16084479
申请日：2016-05-24
Applicant: GOERTEK INC.
Inventor： Guodong Zhao , Pengcheng Ji , Xinfeng Yang
Abstract: A vibration diaphragm and a manufacturing method thereof are provided. The vibration diaphragm comprises an annular support member, a first vibration diaphragm layer and a circuit layer. The first vibration diaphragm layer is fixedly connected to a support body of the annular support member. The circuit layer is positioned on a surface of the first vibration diaphragm layer that is adjacent to a vibrating voice coil and is fixedly connected to the first vibration diaphragm layer and the support body. The circuit layer is provided with a circuit area, a capacitance area, and a capacitance solder pad. The capacitance area is a capacitance electrode plate formed on the first vibration diaphragm layer. The capacitance area is communicated with the capacitance solder pad by means of the circuit area. The solder pad corresponds to the support body. The reliability of capacitance data acquisition is improved.
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公开(公告)号：US12256190B2
公开(公告)日：2025-03-18
申请号：US17891993
申请日：2022-08-19
Applicant: SAMSUNG ELECTRONICS CO., LTD. , GOERTEK INC
Inventor： Seongkwan Yang , Kiwon Kim , Choonghyo Park , Jihoon Song , Peng Zhang , Guodong Zhao , Kyudong Kim , Byounghee Lee , Hochul Hwang
Abstract: An example speaker module includes a speaker housing including a conduit extending to an internal space; a speaker component positioned in a first area of the internal space adjacent to the conduit; a vent hole spaced apart from the speaker component and passing through at least part of the speaker housing; a sound absorbing material disposed in a second area of the internal space to be positioned adjacent to the speaker component to absorb a sound generated from the speaker component; and a guide structure disposed to surround the vent hole and including at least one protrusion protruding towards the internal space.
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公开(公告)号：US12108232B2
公开(公告)日：2024-10-01
申请号：US17995129
申请日：2020-12-05
Applicant: GOERTEK INC.
Inventor： Jie Li , Huawei Liu , Guodong Zhao
Abstract: The present invention discloses a sound generating device, which comprises a housing, and a vibration system and a magnetic circuit system which are coupled to the housing, wherein the magnetic circuit system comprises a magnetic conductive yoke, the magnetic conductive yoke comprises a magnetic conductive body and a connecting flange, the magnetic conductive body faces a diaphragm of the vibration system, the connecting flange is formed by bending the magnetic conductive body towards a side where the diaphragm is located, and the connecting flange is provided with a plurality of ventilation holes; and wherein a leakage opening is formed between the housing and the magnetic conductive body, and the connecting flange completely covers the leakage opening. The technical solutions of the present invention can reduce the defective rate of products.
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Patent Agency Ranking
公开(公告)号：US11470425B2
公开(公告)日：2022-10-11
申请号：US17251886
申请日：2018-10-13
Applicant: GOERTEK INC.
Inventor： Ting Wang , Guodong Zhao , Jie Zhu , Chun Li , Chunfa Liu
Abstract: The present disclosure provides a speaker, comprising a vibration system including a speaker diaphragm and a magnetic circuit system cooperating with the vibration system. The speaker diaphragm comprises a thermoplastic polyester elastomer membrane and has a vibration amplitude of 0.25-1 mm, and the speaker has F0 of 150-1500 Hz. The speaker has the characteristic of good listening effect.
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公开(公告)号：US20210274288A1
公开(公告)日：2021-09-02
申请号：US17252597
申请日：2018-10-13
Applicant: GOERTEK INC.
Inventor： Ting Wang , Guodong Zhao , Jie Zhu , Chun Li , Chunfa Liu
Abstract: A speaker is disclosed, which comprises a vibration system and a magnetic circuit system cooperating with the vibration system. The vibration system includes a speaker diaphragm, the speaker diaphragm comprises two surface layers compounded together and at least one intermediate layer positioned between the two surface layers, at least one of the surface layers is a thermoplastic polyester elastomer film layer, the at least one intermediate layer is an adhesive layer, the speaker diaphragm has Young's modulus of 5-700 MPa and an amplitude of 0.25 mm-1 mm, and the speaker has F0 of 150-1500 Hz. The speaker has a good sounding effect.
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公开(公告)号：US10433055B2
公开(公告)日：2019-10-01
申请号：US16138721
申请日：2018-09-21
Applicant: Goertek Inc.
Inventor： Guodong Zhao , Pengcheng Ji , Xinfeng Yang
Abstract: The present invention discloses a speaker system with a moving voice coil. A conductive material layer is disposed on a front cover of the speaker system and constitutes a fixed electrode plate. A vibrating component comprises a flexible circuit board secured to one side of a vibrating diaphragm. A metal layer is disposed in the middle of the flexible circuit board and constitutes a movable electrode plate. The fixed electrode plate is electrically connected to an external circuit by means of an external terminal disposed on a front cover solder pad. The flexible circuit board extends to the outside of the speaker system and is provided with a solder pad electrically connected to the external circuit. A capacitance monitoring chip is disposed in the speaker system and electrically connected to a capacitor.
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公开(公告)号：US12219337B2
公开(公告)日：2025-02-04
申请号：US17636767
申请日：2019-12-26
Applicant: Goertek Inc.
Inventor： Guodong Zhao , Chaofeng He
Abstract: Disclosed are a conductive film for a sound producing apparatus, and a sound producing apparatus. The conductive film includes a conductive layer and substrate layers bonded to two surfaces of the conductive layer, the substrate layers comprising two first substrate layers directly bonded to the conductive layer, the first substrate layers being made of a thermoplastic elastomer, and the first substrate layers are connected with the conductive layer by means of hot pressing.
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公开(公告)号：US11962986B2
公开(公告)日：2024-04-16
申请号：US17252606
申请日：2018-10-13
Applicant: GOERTEK INC.
Inventor： Ting Wang , Guodong Zhao , Jie Zhu , Chun Li , Chunfa Liu
CPC classification number: H04R7/125 , B32B7/12 , B32B27/08 , B32B27/36 , H04R9/025 , H04R9/06 , B32B2270/00 , B32B2274/00 , B32B2457/00 , H04R7/18 , H04R2307/025
Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes a thermoplastic polyester elastomer film layer, a thermoplastic polyester elastomer being a copolymer composed of a hard segment A of polyester and a soft segment B of polyether or aliphatic polyester, wherein the thermoplastic polyester elastomer film layer has Young's modulus of 1-1000 MPa, with an elastic recovery rate after 10% strain being greater than or equal to 80%. The speaker diaphragm has a good stiffness, a good damping performance and a good resilience.
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