ACOUSTIC DEVICE, AND MAGNETIC CIRCUIT ASSEMBLY THEREOF

Title:

ACOUSTIC DEVICE, AND MAGNETIC CIRCUIT ASSEMBLY THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/218709

Kind Code:

A1

Abstract:

Disclosed in the embodiments of the present invention is an acoustic device. The acoustic device comprises a housing provided with an accommodating cavity and a loudspeaker arranged in the accommodating cavity. The loudspeaker comprises a magnetic circuit assembly, a voice coil, a vibration assembly and a vibration transmission plate. The magnetic circuit assembly defines a magnetic gap; one end of the voice coil is arranged in the magnetic gap, and the other end of the voice coil is connected to the vibration assembly; the vibration assembly is connected to the vibration transmission plate; and the vibration transmission plate is connected to the housing.

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Inventors:

WANG LIWEI (CN)
ZHANG LEI (CN)
LIAO FENGYUN (CN)
QI XIN (CN)
FU JUNJIANG (CN)
XIE SHUAILIN (CN)
LI CHAOWU (CN)

Application Number:

PCT/CN2021/088446

Publication Date:

November 04, 2021

Filing Date:

April 20, 2021

Export Citation:

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Assignee:

SHENZHEN VOXTECH CO LTD (CN)

International Classes:

H04R1/10; H04R9/02

Foreign References:

CN109511043A	2019-03-22
CN1675846A	2005-09-28
CN104936108A	2015-09-23
CN110730410A	2020-01-24
JP2016116177A	2016-06-23
CN2018071851W	2018-01-09

Other References: