Title:
SOUND PRODUCTION APPARATUS AND ELECTRONIC TERMINAL
Document Type and Number:
WIPO Patent Application WO/2021/120287
Kind Code:
A1
Abstract:
Disclosed is a sound production apparatus, comprising: a housing, in which a metal piece is embedded; a diaphragm and a voice coil. The housing is provided with an accommodating space, and the diaphragm and the voice coil are arranged within the accommodating space. A surface of the diaphragm is formed with a metal layer, and the metal layer is respectively connected to the voice coil and the metal piece. Heat produced by the voice coil and hot air around the voice coil can be conducted to the outside of the sound production apparatus via the metal layer and the steel piece, so that the temperature of the voice coil can be rapidly reduced.
Inventors:
LI CHENGWEI (CN)
ZHANG QINGYI (CN)
CHEN MENG (CN)
ZHANG QINGYI (CN)
CHEN MENG (CN)
Application Number:
PCT/CN2019/128999
Publication Date:
June 24, 2021
Filing Date:
December 27, 2019
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R7/02
Foreign References:
| CN206100427U | 2017-04-12 | |||
| CN109121053A | 2019-01-01 | |||
| CN106028234A | 2016-10-12 | |||
| US20080069393A1 | 2008-03-20 | |||
| US4413160A | 1983-11-01 |
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