Invention Grant
- Patent Title: Speaker module with sealed cavity and a communicating hole
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Application No.: US15549043Application Date: 2015-12-24
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Publication No.: US10299030B2Publication Date: 2019-05-21
- Inventor: Mingjie Zhong , Xinxiang Huo
- Applicant: GOERTEK INC.
- Applicant Address: CN Weifang
- Assignee: GOERTEK INC.
- Current Assignee: GOERTEK INC.
- Current Assignee Address: CN Weifang
- Priority: CN201510134528 20150325
- International Application: PCT/CN2015/098728 WO 20151224
- International Announcement: WO2016/150216 WO 20160929
- Main IPC: H04R1/20
- IPC: H04R1/20 ; H04R1/02 ; H04R1/06 ; H04R9/02 ; H04R9/06 ; H04R1/28

Abstract:
Provided is a speaker module, comprising a sound passage of a front cavity, wherein the sound passage is defined by a speaker unit, a housing and a sound hole provided on the housing, wherein the speaker module further comprises a sealed cavity and a communication hole, wherein the sealed cavity is provided on a side wall of the sound passage of the front cavity, and the sealed cavity is in communication with the sound passage of the front cavity via the communication hole. By means of the present invention, an SPL peak at Fh and harmonic distortion caused by front cavity resonance can be reduced, so that the acoustic performance of a speaker is enhanced, and the sound quality is improved.
Public/Granted literature
- US20180035198A1 SPEAKER MODULE Public/Granted day:2018-02-01
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