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Title:
VIBRATION DIAPHRAGM ASSEMBLY AND LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2022/000602
Kind Code:
A1
Abstract:
A vibration diaphragm assembly, comprising a vibration diaphragm. The vibration diaphragm comprises a central portion, a peripheral portion, and a folding ring portion connecting the central portion and the peripheral portion; and the peripheral portion protrudes towards a direction perpendicular to the central portion. The vibration diaphragm assembly is characterized in that the central portion is annular and comprises an outer side end connected to the peripheral portion and an inner side end opposite to the outer side end. A loudspeaker using the foregoing vibration diaphragm assembly. A voice diaphragm structure having a wavy protrusion. The voice diaphragm structure is formed on the vibration diaphragm to radiate sound waves outwards by means of vibration. Compared with existing single-arc-shaped structures, the structure can ensure that the whole vibration diaphragm has enough amplitude to meet acoustic requirements under the design idea that the width size of the whole folding ring portion is relatively reduced.

Inventors:
SONG WEI (CN)
TAO WEIWEI (CN)
JIN XIN (CN)
WANG QI (CN)
Application Number:
PCT/CN2020/103097
Publication Date:
January 06, 2022
Filing Date:
July 20, 2020
Export Citation:
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Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
International Classes:
H04R7/22; H04R7/18; H04R9/02; H04R9/06
Foreign References:
CN111131976A2020-05-08
JP2008167111A2008-07-17
CN207835795U2018-09-07
US20180288530A12018-10-04
CN206380090U2017-08-04
CN108900955A2018-11-27
Attorney, Agent or Firm:
SHENZHEN HUASHENG ZHIHUI INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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