Title:
DIAPHRAGM ASSEMBLY AND LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2023/015718
Kind Code:
A1
Abstract:
Provided are a diaphragm assembly and a loudspeaker. The diaphragm assembly comprises a diaphragm body and a circuit pattern fixedly provided on the diaphragm body. The diaphragm body is provided with a plurality of magnetized regions. The circuit pattern comprises a plurality of copper sheets arranged in one-to-one correspondence to the magnetized regions. An isolation gap is provided between two adjacent copper sheets. At least some of the copper sheets are provided with a plurality of balance gaps provided along the width direction to divide the copper sheets into a plurality of narrow strips.
Inventors:
ZHANG WENDONG (CN)
ZHAO JUN (CN)
ZHAO JUN (CN)
Application Number:
PCT/CN2021/124329
Publication Date:
February 16, 2023
Filing Date:
October 18, 2021
Export Citation:
Assignee:
BEIJING EDIFIER TECH CO LTD (CN)
International Classes:
H04R7/04; H04R9/06
Foreign References:
| CN113507670A | 2021-10-15 | |||
| US20080069395A1 | 2008-03-20 | |||
| US20150110334A1 | 2015-04-23 | |||
| US3674946A | 1972-07-04 | |||
| CN110401905A | 2019-11-01 | |||
| CN108064010A | 2018-05-22 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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