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Patent Searching and Data


Title:
DUST-PROOF CAP ASSEMBLY AND ULTRA-THIN LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2021/012610
Kind Code:
A1
Abstract:
Disclosed are a dust-proof cap assembly and an ultra-thin loudspeaker. The dust-proof cap assembly comprises a dust-proof cap body; the dust-proof cap body comprises a fixed part and a stretchable part; the fixed part is configured to form a fixed connection with a magnetic circuit system of an ultra-thin loudspeaker; the stretchable part is formed by extending outward from the edge of the fixed part; the edge of the stretchable part is configured to be connected to a conical basin assembly of the ultra-thin loudspeaker to cover the magnetic circuit system and a voice coil of the ultra-thin loudspeaker; and the stretchable part is configured to expand or compress with the vibration of the conical basin assembly. The dust-proof cap assembly provided by the present invention can satisfy the design requirements of the ultra-thin loudspeaker while ensuring the vibration stroke.

Inventors:
ZHENG BINGHUA (CN)
DONG ZHIYONG (CN)
Application Number:
PCT/CN2019/129005
Publication Date:
January 28, 2021
Filing Date:
December 27, 2019
Export Citation:
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Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/06; H04R9/02
Domestic Patent References:
WO2019102860A12019-05-31
Foreign References:
CN202261781U2012-05-30
CN110351640A2019-10-18
CN109327783A2019-02-12
CN201854418U2011-06-01
CN207354599U2018-05-11
CN106303855A2017-01-04
CN105828257A2016-08-03
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