Title:
LOUDSPEAKER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/221864
Kind Code:
A1
Abstract:
The present application relates to a loudspeaker and an electronic device. The loudspeaker comprises a diaphragm assembly and magnetic circuit assemblies; each magnetic circuit assembly can provide a magnetic field to enable the diaphragm assembly to vibrate and produce sound; each magnetic circuit assembly comprises a first magnet and a second magnet; the diaphragm assembly comprises a voice coil; the first magnet is arranged around the second magnet in a surrounding mode; the voice coil is arranged between the first magnet and the second magnet. The loudspeaker comprises a plurality of magnetic circuit assemblies; two adjacent magnetic circuit assemblies share a same first magnet; a gap is formed between every two adjacent first magnets to form an air leakage slot; the air leakage slot can exhaust air when the voice coil vibrates; the magnetic circuit assemblies comprise a plurality of air leakage slots and can exhaust air from different directions at the same time. The exhaust efficiency is improved, and therefore the sound quality of the loudspeaker is improved.
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Inventors:
LIU YUBO (CN)
CHANG JING (CN)
XU ZHENXING (CN)
LIU ZHENG (CN)
CHANG JING (CN)
XU ZHENXING (CN)
LIU ZHENG (CN)
Application Number:
PCT/CN2023/093580
Publication Date:
November 23, 2023
Filing Date:
May 11, 2023
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04R9/02
Domestic Patent References:
| WO2022061984A1 | 2022-03-31 |
Foreign References:
| CN217904644U | 2022-11-25 | |||
| CN218734927U | 2023-03-24 | |||
| CN212727396U | 2021-03-16 | |||
| CN209314082U | 2019-08-27 | |||
| US20110235849A1 | 2011-09-29 |
Attorney, Agent or Firm:
UNI-INTEL PATENT AND TRADEMARK LAW FIRM (CN)
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