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Patent Searching and Data


Title:
SOUND-EMITTING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/205714
Kind Code:
A1
Abstract:
Disclosed in the present invention is a sound-emitting apparatus. The sound-emitting apparatus has a rectangular structure, and comprises: a magnetic circuit system, the magnetic circuit system comprising a central magnetic part and an edge magnetic part, the central magnetic part having two opposite first long edges and two opposite second long edges, the adjacent end parts of the first long edges and the second long edges having a first short straight edge, and the edge magnetic part surrounding the periphery of the central magnetic part; a vibration assembly, the vibration assembly comprising a voice coil, a diaphragm, and a support component; the voice coil surrounds the periphery of the central magnetic part, the voice coil comprising two opposite third long edges and two opposite fourth long edges, the adjacent end parts of the third long edges and the fourth long edges having a second short straight edge corresponding to the first short straight edge; the diaphragm is connected to the end face of one side of the voice coil, and the support component is connected to the other side of the voice coil, an inner end of the support component being connected to the second short straight edges.

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Inventors:
GUO XIANG (CN)
MA JIANGYU (CN)
Application Number:
PCT/CN2018/125472
Publication Date:
October 31, 2019
Filing Date:
December 29, 2018
Export Citation:
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Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/02; H04R9/06
Foreign References:
CN108540908A2018-09-14
CN204442665U2015-07-01
CN107249163A2017-10-13
CN104735595A2015-06-24
US20140022867A12014-01-23
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