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公开(公告)号：US20190141436A1
公开(公告)日：2019-05-09
申请号：US16098678
申请日：2016-12-29
Applicant: Goertek Inc.
Inventor： Aliang Chen , Guangfu Liu
Abstract: A sound absorbing assembly for a loudspeaker module and a loudspeaker module are disclosed. The sound absorbing assembly comprises a holding shell, the holding shell is provided with a receiving trough, the receiving trough is filled with a sound absorbing material, the holding shell is fixed within a rear vocal cavity of the loudspeaker module by injection molding, a bottom of the receiving trough is provided with sound penetration holes, and an interior of the receiving trough communicates with the rear vocal cavity via the sound penetration holes. The sound absorbing assembly is provided with a receiving trough on the holding shell, and the sound penetration holes of the receiving trough form sound transmission channels, to enable the sound absorbing material placed within the receiving trough to perform the sound absorbing function, to improve the acoustic quality of the loudspeaker.
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公开(公告)号：US11910139B2
公开(公告)日：2024-02-20
申请号：US17636249
申请日：2019-12-24
Applicant: GOERTEK INC.
Inventor： Aliang Chen , Guoqiang Chen , Zhaopeng Li
CPC classification number: H04R1/021 , H04R1/025 , H04R1/2811 , H04R1/2834 , H04R1/2849 , H04R9/06 , H04R2499/11
Abstract: Disclosed is an acoustic device, comprising a sound generating unit, a sound wave at a front side of the vibrating diaphragm radiates to outside through the sound outlet, a first sealed cavity is formed at a rear side of the vibrating diaphragm, a cavity wall of the first sealed cavity is provided with a mounting hole, a flexible deformation part is provided at the mounting hole, the second sealed cavity encloses a sound wave, in the second sealed cavity, a protective cover plate located at outside of the flexible deformation part is further provided on the mounting hole, and an escape space used for avoiding vibration of the flexible deformation part is formed between the protective cover plate and the flexible deformation part; air permeable micropores are provided on the protective cover plate, the air permeable micropores have an area less than or equal to 0.2 mm2.
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公开(公告)号：US10701475B2
公开(公告)日：2020-06-30
申请号：US16098678
申请日：2016-12-29
Applicant: Goertek Inc.
Inventor： Aliang Chen , Guangfu Liu
Abstract: A sound absorbing assembly for a loudspeaker module and a loudspeaker module are disclosed. The sound absorbing assembly comprises a holding shell, the holding shell is provided with a receiving trough, the receiving trough is filled with a sound absorbing material, the holding shell is fixed within a rear vocal cavity of the loudspeaker module by injection molding, a bottom of the receiving trough is provided with sound penetration holes, and an interior of the receiving trough communicates with the rear vocal cavity via the sound penetration holes. The sound absorbing assembly is provided with a receiving trough on the holding shell, and the sound penetration holes of the receiving trough form sound transmission channels, to enable the sound absorbing material placed within the receiving trough to perform the sound absorbing function, to improve the acoustic quality of the loudspeaker.
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