Title:
MINIATURE SOUND PRODUCTION DEVICE AND ELECTRONIC PRODUCT
Document Type and Number:
WIPO Patent Application WO/2021/093339
Kind Code:
A1
Abstract:
Disclosed are a miniature sound production device and an electronic product. The miniature sound production device comprises: a vibration assembly, comprising a diaphragm which has a surround portion and a fixing portion, with the surround portion extending in a ring shape, and the fixing portion being formed at the periphery of the surround portion in a surrounding manner; and a housing assembly, comprising a main housing and a backing ring, with the backing ring being connected to the main housing in a sealed manner, the diaphragm being arranged on the backing ring, the fixing portion being fixedly connected to the backing ring in a molten manner to form a molten zone, and the difference between the melting temperature of the backing ring and the melting temperature of the diaphragm being lower than 60°C. One technical effect of the present invention is to improve the waterproof performance between the diaphragm and the housing assembly.
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Inventors:
GE LIANSHAN (CN)
WANG XINGLONG (CN)
WANG XINGLONG (CN)
Application Number:
PCT/CN2020/099489
Publication Date:
May 20, 2021
Filing Date:
June 30, 2020
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/06
Foreign References:
| CN206413186U | 2017-08-15 | |||
| CN102905203A | 2013-01-30 | |||
| CN203761580U | 2014-08-06 | |||
| US20020108806A1 | 2002-08-15 |
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