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公开(公告)号：US12192731B2
公开(公告)日：2025-01-07
申请号：US17764868
申请日：2019-12-24
Applicant: Goertek Inc.
Inventor： Lianshan Ge , Xinglong Wang
Abstract: Disclosed is a sound-producing apparatus, including a vibration assembly and a magnetic circuit assembly, the vibration assembly includes a diaphragm which vibrates to generate sound waves, wherein, a middle region of the magnetic circuit assembly is hollowed out to form a volume expansion cavity penetrating through the magnetic circuit assembly, with a flexible deformation portion being provided in a region of the magnetic circuit assembly located in the volume expansion cavity; the flexible deformation portion covers a port of the volume expansion cavity or separates the volume expansion cavity into two regions that are isolated from each other; the flexible deformation portion is disposed facing the diaphragm, and can vibrate as a function of air pressure.
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公开(公告)号：US20220345824A1
公开(公告)日：2022-10-27
申请号：US17764868
申请日：2019-12-24
Applicant: Goertek Inc.
Inventor： Lianshan Ge , Xinglong Wang
Abstract: Disclosed is a sound-producing apparatus, including a vibration assembly and a magnetic circuit assembly, the vibration assembly includes a diaphragm which vibrates to generate sound waves, wherein, a middle region of the magnetic circuit assembly is hollowed out to form a volume expansion cavity penetrating through the magnetic circuit assembly, with a flexible deformation portion being provided in a region of the magnetic circuit assembly located in the volume expansion cavity; the flexible deformation portion covers a port of the volume expansion cavity or separates the volume expansion cavity into two regions that are isolated from each other; the flexible deformation portion is disposed facing the diaphragm, and can vibrate as a function of air pressure.
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公开(公告)号：US11838735B2
公开(公告)日：2023-12-05
申请号：US17775905
申请日：2020-11-11
Applicant: GOERTEK INC.
Inventor： Yue Zhao , Xinglong Wang , Jianjian Wang
CPC classification number: H04R9/046 , H04R7/12 , H04R7/18 , H04R7/26 , H04R9/025 , H04R9/06 , H04R2209/041
Abstract: Disclosed are a voice coil assembly and a loudspeaker, comprising a main voice coil and a connecting coil connected to the main voice coil, the main voice coil is connected to an external circuit, and comprises a first voice coil and a second voice coil, the first voice coil is formed by winding a conductive first wire with self-bonding coating, the second voice coil is formed by winding a second wire with self-bonding coating, the first voice coil and the second voice coil are positioned close to each other and bonded together, the first voice coil and the second voice coil are connected in series or in parallel, the connecting coil is formed by winding a third wire, and the density of the third wire is less than or equal to that of the first wire and the second wire.
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公开(公告)号：US11317217B2
公开(公告)日：2022-04-26
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：US20210266673A1
公开(公告)日：2021-08-26
申请号：US17256343
申请日：2018-12-29
Applicant: GOERTEK INC.
Inventor： Xinglong Wang , Guodong Zhao , Lianshan Ge , Chunfa Liu
Abstract: The present invention discloses a sound production apparatus, comprising a first vibration system, a second vibration system and a magnetic circuit system, wherein the first vibration system comprises a first diaphragm and a voice coil arranged on a side, facing the magnetic circuit system, of the first diaphragm; the second vibration system comprises a second diaphragm arranged opposite to the first diaphragm, and a middle position of the second diaphragm is combined with a reinforcement portion; the reinforcement portion is provided with an extension portion extending along a direction close to the first diaphragm, and a position, corresponding to the extension portion, in the magnetic circuit system is provided with an avoidance portion; and the extension portion is capable of passing through the avoidance portion, and is fixed to the first diaphragm. The sound production apparatus of the present invention is configured with two sets of vibration systems but only adopts one set of a voice coil and magnetic circuit system, so as to realize a structure for synchronized bidirectional sound production, occupying a small volume, facilitating its wide application to portable terminals.
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Patent Agency Ranking
公开(公告)号：US12096177B2
公开(公告)日：2024-09-17
申请号：US17256615
申请日：2018-10-24
Applicant: GOERTEK INC.
Inventor： Xinglong Wang , Huawei Liu , Lianshan Ge , Chunfa Liu
CPC classification number: H04R1/2811 , H04R1/2834 , H04R1/2896 , H04R9/045 , H04R2499/13
Abstract: Disclosed are a speaker and a portable terminal, where the speaker includes: an active vibrating unit, including a first vibrating diaphragm vibrating for radiating a sound, and a voice coil assembly for fixing and driving the first vibrating diaphragm; a passive vibrating unit, including a second vibrating diaphragm and driven by the active vibrating unit to vibrate; and a magnetic circuit system, acting with the voice coil assembly to drive the first vibrating diaphragm of the active vibrating unit to vibrate, where the magnetic circuit system is arranged between the first vibrating diaphragm and the second vibrating diaphragm, a first acoustic cavity is defined between the magnetic circuit system and the first vibrating diaphragm, and a second acoustic cavity is defined between the magnetic circuit system and the second vibrating diaphragm.
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公开(公告)号：US11516588B2
公开(公告)日：2022-11-29
申请号：US17256279
申请日：2018-12-29
Applicant: Goertek Inc.
Inventor： Xinglong Wang , Lianshan Ge , Chunfa Liu
Abstract: Disclosed in the present invention are a sound generation device and a portable terminal. The sound generation device comprises a vibration system and a magnetic circuit system, the vibration system and the magnetic circuit system being mounted and fixed to an housing. The housing comprises a first shell and a second shell that are connected and fixed together, the vibration system comprises a first diaphragm and the magnetic circuit system comprises a magnetic yoke, and wherein the first diaphragm is mounted on one surface of the first shell far away from the second shell, and the magnetic yoke and the second shell are injection molded as an integrated part. In the sound generation device of the present invention a conventional plastic housing is split into two shells, by fixing the magnetic yoke to the second shell by injection molding so that the magnetic yoke and the second shell become an independent part which is integrally arranged, it can reduce the assembling process of the Magnetic yoke and the housing, improve the assembling efficiency and connecting strength of the sound generation device, and can provide a bigger space for the magnetic circuit system and improve the product performance.
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公开(公告)号：US11483660B2
公开(公告)日：2022-10-25
申请号：US17256343
申请日：2018-12-29
Applicant: GOERTEK INC.
Inventor： Xinglong Wang , Guodong Zhao , Lianshan Ge , Chunfa Liu
Abstract: The present invention discloses a sound production apparatus, comprising a first vibration system, a second vibration system and a magnetic circuit system, wherein the first vibration system comprises a first diaphragm and a voice coil arranged on a side, facing the magnetic circuit system, of the first diaphragm; the second vibration system comprises a second diaphragm arranged opposite to the first diaphragm, and a middle position of the second diaphragm is combined with a reinforcement portion; the reinforcement portion is provided with an extension portion extending along a direction close to the first diaphragm, and a position, corresponding to the extension portion, in the magnetic circuit system is provided with an avoidance portion; and the extension portion is capable of passing through the avoidance portion, and is fixed to the first diaphragm. The sound production apparatus of the present invention is configured with two sets of vibration systems but only adopts one set of a voice coil and magnetic circuit system, so as to realize a structure for synchronized bidirectional sound production, occupying a small volume, facilitating its wide application to portable terminals.
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公开(公告)号：US20210266671A1
公开(公告)日：2021-08-26
申请号：US17256279
申请日：2018-12-29
Applicant: Goertek Inc.
Inventor： Xinglong Wang , Lianshan Ge , Chunfa Liu
Abstract: Disclosed in the present invention are a sound generation device and a portable terminal. The sound generation device comprises a vibration system and a magnetic circuit system, the vibration system and the magnetic circuit system being mounted and fixed to an housing. The housing comprises a first shell and a second shell that are connected and fixed together, the vibration system comprises a first diaphragm and the magnetic circuit system comprises a magnetic yoke, and wherein the first diaphragm is mounted on one surface of the first shell far away from the second shell, and the magnetic yoke and the second shell are injection molded as an integrated part. In the sound generation device of the present invention a conventional plastic housing is split into two shells, by fixing the magnetic yoke to the second shell by injection molding so that the magnetic yoke and the second shell become an independent part which is integrally arranged, it can reduce the assembling process of the Magnetic yoke and the housing, improve the assembling efficiency and connecting strength of the sound generation device, and can provide a bigger space for the magnetic circuit system and improve the product performance.
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公开(公告)号：US11490193B2
公开(公告)日：2022-11-01
申请号：US17264571
申请日：2019-05-31
Applicant: GOERTEK INC.
Inventor： Xinglong Wang , Zhilei Han
Abstract: Disclosed is a terminal apparatus, including a protective shell and a sounding device installed in the protective shell, where the sounding device includes a vibration system and a magnetic circuit system; where the vibration system includes a vibration diaphragm including a first surface and a second surface facing away from the first surface; the magnetic circuit system is located on a side of the second surface of the vibration diaphragm; the sounding device defines a first sounding hole at a position in communication with a space on a side of the first surface, and a second sounding hole at a position in communication with a space on the side of the second surface; and the protective shell defines a first terminal sounding hole in communication with the first sounding hole, and a second terminal sounding hole in communication with the second sounding hole.
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