Title:
SOUND GENERATION DEVICE AND DIAPHRAGM THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/134495
Kind Code:
A1
Abstract:
Provided is a diaphragm. The diaphragm comprises: a dome at a central position, a surround portion surrounding the dome, and a fixing portion formed to surround the surround portion and extend outwards, wherein the dome comprises an outer surface in contact with air and an inner surface opposite the outer surface. The diaphragm is characterized in that the dome is provided with a heat dissipation hole for heat dissipation. The beneficial effect of the present application lies in: by providing the heat dissipation hole for heat dissipation in the diaphragm, a better heat dissipation effect is achieved, and the usage performance of the diaphragm is optimized.
Inventors:
HU HONGJIAN (CN)
SONG XIAOJUN (CN)
ZENG JIAN (CN)
SONG XIAOJUN (CN)
ZENG JIAN (CN)
Application Number:
PCT/CN2019/130547
Publication Date:
July 08, 2021
Filing Date:
December 31, 2019
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R9/06; H04R7/12
Foreign References:
| CN208462050U | 2019-02-01 | |||
| CN208462050U | 2019-02-01 | |||
| CN205987363U | 2017-02-22 | |||
| CN103458343A | 2013-12-18 | |||
| CN202455528U | 2012-09-26 | |||
| US20180115822A1 | 2018-04-26 |
Attorney, Agent or Firm:
SHENZHEN HUASHENG ZHIHUI INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
Download PDF: