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Title:
LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2024/087168
Kind Code:
A1
Abstract:
Embodiments of the present description provide a loudspeaker. The loudspeaker comprises a diaphragm and a housing. The diaphragm can vibrate to produce air-conducted sound waves. The housing can form an accommodating cavity for accommodating the diaphragm, the diaphragm partitions the accommodating cavity to form a front cavity and a rear cavity, the housing is provided with a sound outlet hole communicated with the front cavity, and at least some of the air-conducted sound waves are transmitted to the outside of the loudspeaker via the sound outlet hole. The housing is provided with a sound-absorbing duct, the sound-absorbing duct is communicated with at least one of the front cavity and the rear cavity, and the sound-absorbing duct is used for absorbing sound waves having a target frequency among the air-conducted sound waves, wherein the length of the sound-absorbing duct is in the range of 3/20-2/5 of the wavelength of the sound waves having the target frequency.

Inventors:
ZHOU WENBING (CN)
ZHANG LEI (CN)
QI XIN (CN)
LIAO FENGYUN (CN)
GU SHANYONG (CN)
Application Number:
PCT/CN2022/128249
Publication Date:
May 02, 2024
Filing Date:
October 28, 2022
Export Citation:
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Assignee:
SHENZHEN SHOKZ CO LTD (CN)
International Classes:
H04R1/28
Foreign References:
CN209659616U2019-11-19
CN104956693A2015-09-30
CN1476177A2004-02-18
CN114071297A2022-02-18
CN112399303A2021-02-23
CN107371107A2017-11-21
US20200100021A12020-03-26
CN204993827U2016-01-20
CN112135217A2020-12-25
CN104754454A2015-07-01
CN113596672A2021-11-02
CN104244130A2014-12-24
US20150382090A12015-12-31
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
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