Title:
DIAPHRAGM, MOTOR ASSEMBLY, AND MOVING IRON UNIT
Document Type and Number:
WIPO Patent Application WO/2023/005269
Kind Code:
A1
Abstract:
A diaphragm, comprising a bracket, a vibrating wing, and a film thermally formed on the surfaces of the bracket and the vibrating wing. The bracket and the vibrating wing are formed by stamping a same metal plate. The vibrating wing is located in the bracket, and the vibrating wind and the bracket are integrally connected by means connecting parts. A gap is formed between the vibrating wing and the bracket. The film comprises a film body attached to a surface of one side of the bracket and the vibrating wing and a runway formed in the gap. The present application further comprises a motor assembly and a moving iron unit.
Inventors:
JIA SHAOWEI (CN)
LIU JIANJUN (CN)
LIAO BING (CN)
DONG JIE (CN)
LIU YANG (CN)
LIU JIANJUN (CN)
LIAO BING (CN)
DONG JIE (CN)
LIU YANG (CN)
Application Number:
PCT/CN2022/087537
Publication Date:
February 02, 2023
Filing Date:
April 19, 2022
Export Citation:
Assignee:
SHENZHEN EVERWIN PRECISION TECH CO LTD (CN)
International Classes:
H04R11/00; H04R9/02; H04R31/00
Foreign References:
| CN113645554A | 2021-11-12 | |||
| CN113542999A | 2021-10-22 | |||
| CN113825074A | 2021-12-21 | |||
| CN206136289U | 2017-04-26 | |||
| CN212163701U | 2020-12-15 | |||
| CN207897114U | 2018-09-21 | |||
| CN110870331A | 2020-03-06 | |||
| CN107547989A | 2018-01-05 | |||
| CN108391215A | 2018-08-10 | |||
| US20160165352A1 | 2016-06-09 |
Attorney, Agent or Firm:
SHENZHEN KEJIN INTELLECTUAL PROPERTY OFFICE (CN)
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