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公开(公告)号：US11902764B2
公开(公告)日：2024-02-13
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：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：US10225664B2
公开(公告)日：2019-03-05
申请号：US15552677
申请日：2015-12-17
Applicant: Goertek, Inc.
Inventor： Lianwen Shan , Xinfeng Yang , Hairong Wang , Longhao Cui
IPC: H04R9/06 , H04R9/04 , H04R7/10 , H04R7/04 , H04R17/00 , B06B1/02 , B06B1/04 , B06B1/06 , H04R1/02 , H04R1/06 , H04R1/22 , H04R1/24 , H04R23/02
Abstract: Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the vibration system includes: a diaphragm, a voice coil provided below the diaphragm and suspending in the magnetic gap, and a piezoelectric plate provided on one side of the diaphragm; and conductive lines are formed on the diaphragm, the conductive lines include a first conductive line connected to the piezoelectric plate to input an externally input first audio signal to the piezoelectric plate via the first conductive line. The electrical-acoustic transformation device in the present invention has a moving coil sound generating structure and a piezoelectric sound generating structure. The piezoelectric plate compensates the high-frequency response of the vibration system, realizing an electrical-acoustic transformation device with good performance and super wideband.
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公开(公告)号：US20180054680A1
公开(公告)日：2018-02-22
申请号：US15552555
申请日：2015-12-17
Applicant: Goertek, Inc.
Inventor： Lianwen Shan , Xinfeng Yang , Hairong Wang , Longhao Cui
CPC classification number: H04R19/02 , H04R1/025 , H04R1/225 , H04R1/24 , H04R1/403 , H04R7/06 , H04R17/00 , H04R17/005 , H04R19/013 , H04R2499/11
Abstract: Disclosed are an electrical-acoustic transformation device and an electronic device, including a moving coil electrical-acoustic transformation unit and a piezoelectric buzzer. The electrical-acoustic transformation device in the present invention has a moving coil sound generating structure and a piezoelectric sound generating structure. The piezoelectric plate compensates the high-frequency response of a vibrating system, realizing an electrical-acoustic transformation device with good performance and super wideband.
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公开(公告)号：US09883266B2
公开(公告)日：2018-01-30
申请号：US15108255
申请日：2014-04-28
Applicant: GOERTEK INC.
Inventor： Zhigan Dai , Di Wu , Huiyu Li , Xinfeng Yang
CPC classification number: H04R1/021 , H04R1/025 , H04R1/2811 , H04R1/2819 , H04R1/288 , H04R1/38 , H04R9/06 , H04R31/006 , H04R2499/11
Abstract: A loudspeaker module comprises a loudspeaker unit and a module housing. A front acoustic cavity and a rear acoustic cavity are formed between the module housing and the loudspeaker unit. The upper and lower ends of the front acoustic cavity and the rear acoustic cavity are open. The upper and lower end surfaces of the module housing are combined with a terminal electronic device through sealing cushions. An electronic device is also disclosed. The upper and lower surfaces of the module housing are combined with the circuit board or the device housing through sealing cushions. Such a structure fully utilizes the spaces of the loudspeaker module and the electronic device, expands the internal space of the loudspeaker module, increases the sizes of the loudspeaker unit and the sound cavities, and accordingly improves the acoustical performance of the product.
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Patent Agency Ranking
公开(公告)号：US10542344B2
公开(公告)日：2020-01-21
申请号：US15850297
申请日：2017-12-21
Applicant: GOERTEK INC.
Inventor： Xinfeng Yang , Tongyan Xu , Pengcheng Ji
Abstract: The present disclosure discloses a loudspeaker module and a manufacturing method thereof. The loudspeaker module comprises an outer casing; the outer casing accommodates a speaker unit; the speaker unit partitions an inner cavity of the whole module into two cavities: a front acoustic cavity and a rear acoustic cavity; the rear acoustic cavity is internally provided with a sound-absorbing material; the rear acoustic cavity is further provided with an isolating structure used for isolating the sound-absorbing material from the speaker unit; the isolating structure partitions the entire rear acoustic cavity into a filling area and a non-filling area; the sound-absorbing material is located in the filling area; the sound-absorbing material is a foaming material; the sound-absorbing material is formed by the foaming of the foaming material and then fills the filling area.
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公开(公告)号：US20190200137A1
公开(公告)日：2019-06-27
申请号：US16329205
申请日：2016-12-20
Applicant: Goertek Inc.
Inventor： Huixian Cao , Shu Jiang , Xinfeng Yang
Abstract: A moving-coil loudspeaker is provided, comprising a vibration system and a magnetic circuit system located below the vibration system; the vibration system including a diaphragm, a spider, and a voice coil, the diaphragm comprising a diaphragm body part and a diaphragm reinforcing part; and the magnetic circuit system including a center washer, a center magnet, and a magnetic yoke; wherein the diaphragm reinforcing part comprises a first conductive material layer, the spider comprises a second conductive material layer, and the diaphragm reinforcing part and the spider are bonded by an insulative adhesive; and wherein the first and second conductive material layers functioning as a movable plate, and the center washer, the center magnet, and the magnetic yoke functioning as a fixed plate constitute a capacitor structure for detecting a vibration displacement of the moving-coil loudspeaker.
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公开(公告)号：US20190028804A1
公开(公告)日：2019-01-24
申请号：US16138721
申请日：2018-09-21
Applicant: Goertek Inc.
Inventor： Guodong Zhao , Pengcheng Ji , Xinfeng Yang
CPC classification number: H04R3/007 , H04R3/002 , H04R9/02 , H04R9/025 , H04R9/06 , H04R29/001 , H05K1/028 , H05K1/11 , H05K1/181 , H05K7/1427 , H05K2201/10083 , H05K2201/10151
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：US20180041844A1
公开(公告)日：2018-02-08
申请号：US15552677
申请日：2015-12-17
Applicant: Goertek, Inc.
Inventor： Lianwen Shan , Xinfeng Yang , Hairong Wang , Longhao Cui
CPC classification number: H04R23/02 , B06B1/0292 , B06B1/045 , B06B1/0648 , H04R1/02 , H04R1/06 , H04R1/22 , H04R1/24 , H04R7/04 , H04R7/10 , H04R9/04 , H04R9/06 , H04R17/00
Abstract: Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the vibration system includes: a diaphragm, a voice coil provided below the diaphragm and suspending in the magnetic gap, and a piezoelectric plate provided on one side of the diaphragm; and conductive lines are formed on the diaphragm, the conductive lines include a first conductive line connected to the piezoelectric plate to input an externally input first audio signal to the piezoelectric plate via the first conductive line. The electrical-acoustic transformation device in the present invention has a moving coil sound generating structure and a piezoelectric sound generating structure. The piezoelectric plate compensates the high-frequency response of the vibration system, realizing an electrical-acoustic transformation device with good performance and super wideband.
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公开(公告)号：US20180035213A1
公开(公告)日：2018-02-01
申请号：US15552707
申请日：2015-12-09
Applicant: Goertek, Inc.
Inventor： Lianwen Shan , Xinfeng Yang , Hairong Wang , Longhao Cui
CPC classification number: H04R23/02 , H04R1/22 , H04R9/025 , H04R9/06 , H04R19/02 , H04R31/003 , H04R2209/024 , H04R2400/11
Abstract: Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the vibration system includes: a diaphragm, a voice coil provided below the diaphragm and suspending in the magnetic gap, a piezoelectric plate provided on one side of the diaphragm, a first frequency division circuit connected to the voice coil, and a second frequency division circuit connected to the piezoelectric plate; and the first frequency division circuit performs frequency division on an externally input first audio signal and outputs same to the voice coil; and the second frequency division circuit performs frequency division on an externally input second audio signal to obtain a high frequency signal to drive the piezoelectric plate. The present invention provides an electrical-acoustic transformation device with super wideband.
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