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Patent Searching and Data


Title:
LOUDSPEAKER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/066978
Kind Code:
A1
Abstract:
A loudspeaker (100) and an electronic device. The loudspeaker (100) comprises a guide structure (130), a beam generation module (140), a valve (120), and a housing (110), wherein the valve (120) is provided with a passageway (121), the valve (120) and the housing (110) enclose a chamber (150) for accommodating the beam generation module (140), and the valve (120) is configured to modulate a first beam generated by the beam generation module (140). By means of providing the guide structure (130), the sound pressure of a second beam generated by means of the first beam modulated by the valve (120) is higher. The loudspeaker (100) has a high energy conversion efficiency and a high sound pressure transmittance, and the loudspeaker (100) and the electronic device, which comprises the loudspeaker (100), have a good performance capability with regard to low-frequency audible sound.

Inventors:
HU CHENGBO (CN)
CHEN JIAYI (CN)
DING YUJIANG (CN)
TAO JINGYA (CN)
WANG CHEN (CN)
LI CHUNJIAN (CN)
ZHU TONG (CN)
Application Number:
PCT/CN2023/117206
Publication Date:
April 04, 2024
Filing Date:
September 06, 2023
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04R9/06; H04R1/02
Domestic Patent References:
WO2008050123A12008-05-02
Foreign References:
CN104219608A2014-12-17
CN112272250A2021-01-26
CN209572154U2019-11-01
CN112313967A2021-02-02
CN101588524A2009-11-25
CN111885466A2020-11-03
CN114866887A2022-08-05
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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