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Patent Searching and Data


Title:
SOUND PRODUCTION DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/056900
Kind Code:
A1
Abstract:
Disclosed is a sound production device, comprising a housing, and a vibration system and a magnetic circuit system installed on the housing, wherein the vibration system comprises a diaphragm assembly and a voice coil assembly fixedly connected to the diaphragm assembly, the magnetic circuit system comprises at least one magnetic circuit unit, the voice coil assembly is correspondingly provided with at least one voice coil unit, and one end of the voice coil unit away from the magnetic circuit unit is installed on the diaphragm assembly. The sound production device further comprises at least two elastic components, wherein the elastic component is configured to be separated from the voice coil assembly, one end of the elastic component is fixedly connected to the diaphragm assembly, and the other end thereof is connected to the housing. The sound production device of the present invention can meet design requirements of narrow and thin products, increases the space utilization rate of the products, and optimizes the product performance.

Inventors:
HUANG XINHE (CN)
DONG ZHIYONG (CN)
Application Number:
PCT/CN2019/129012
Publication Date:
April 01, 2021
Filing Date:
December 27, 2019
Export Citation:
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Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/06; H04R7/12; H04R9/02
Foreign References:
CN201947438U2011-08-24
CN201789621U2011-04-06
CN106060732A2016-10-26
CN102984609A2013-03-20
US20160021462A12016-01-21
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