Title:
SOUND-PRODUCING UNIT AND ELECTRONIC TERMINAL
Document Type and Number:
WIPO Patent Application WO/2022/062039
Kind Code:
A1
Abstract:
The present application provides a loudspeaker module and an electronic terminal. The loudspeaker module comprises a housing having an accommodating space and a sound-producing unit accommodated and fixed in the housing. The sound-producing unit comprises a magnet yoke, a first magnetic circuit assembly, a second magnetic circuit assembly, a first vibration system, and a second vibration system. The first vibration system comprises a first diaphragm and a first voice coil, and the first diaphragm is fixed on the first magnetic circuit assembly. The second vibration system comprises a second diaphragm and a second voice coil for driving the second diaphragm to vibrate and produce sound, and the second diaphragm is fixed on the second magnetic circuit assembly. The magnet yoke is disposed between the first voice coil and the second voice coil. A through hole is formed in the magnet yoke. The first voice coil comprises a first annular portion and a first overlapping portion formed by protruding from the first annular portion to one end of the magnet yoke. The second voice coil comprises a second annular portion and a second overlapping portion formed by protruding from the second annular portion to one end of the magnet yoke. The first overlapping portion and the second overlapping portion separately pass through the through hole and are spaced apart in a direction perpendicular to the axis of the through hole.
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Inventors:
WU JUN (CN)
YANG HUHU (CN)
REN SHENG (CN)
YANG HUHU (CN)
REN SHENG (CN)
Application Number:
PCT/CN2020/123965
Publication Date:
March 31, 2022
Filing Date:
October 27, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R9/06
Foreign References:
| CN211128162U | 2020-07-28 | |||
| CN110881160A | 2020-03-13 | |||
| CN206118013U | 2017-04-19 | |||
| CN211089956U | 2020-07-24 | |||
| US9838798B2 | 2017-12-05 |
Attorney, Agent or Firm:
SHENZHEN CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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