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Patent Searching and Data


Title:
LOUDSPEAKER UNIT
Document Type and Number:
WIPO Patent Application WO/2024/000774
Kind Code:
A1
Abstract:
The present invention provides a loudspeaker unit, comprising a frame, and a vibration system and a magnetic circuit system that are fixed on the frame. The vibration system comprises a diaphragm and a voice coil for driving the diaphragm to vibrate and produce sound. The loudspeaker unit further comprises a magnetic front cover which is fixed on the frame and is used for increasing the BL value of the voice coil. According to the loudspeaker unit of the present invention, the BL value of the voice coil is increased.

Inventors:
SHI YANG (CN)
ZHOU JIASHENG (CN)
Application Number:
PCT/CN2022/114908
Publication Date:
January 04, 2024
Filing Date:
August 25, 2022
Export Citation:
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Assignee:
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R9/02
Domestic Patent References:
WO2021232475A12021-11-25
Foreign References:
CN209982717U2020-01-21
CN214381375U2021-10-08
CN109462805A2019-03-12
CN211531313U2020-09-18
Attorney, Agent or Firm:
SHENZHEN SANYONG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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