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Patent Searching and Data


Title:
DIAPHRAGM AND LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2019/179186
Kind Code:
A1
Abstract:
Disclosed are a diaphragm and a loudspeaker. The diaphragm comprises: a carbon fiber frame, the carbon fiber frame being jointly constituted by a plurality of carbon fibers; several filling gaps arranged in the carbon fiber frame; and a diaphragm filler, the diaphragm filler being filled in the filling gaps. The diaphragm provided in the technical solution of the present utility model simultaneously has high Yong's modulus and low density, so that a loudspeaker having the diaphragm obtains a good high-frequency response curve.

Inventors:
CHANG, Xiuli (No.268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
XU, Chao (No.268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
Application Number:
CN2018/122024
Publication Date:
September 26, 2019
Filing Date:
December 19, 2018
Export Citation:
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Assignee:
GOERTEK INC. (No.268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
International Classes:
H04R7/02; H04R9/06
Foreign References:
CN205142498U2016-04-06
CN207869346U2018-09-14
CN205142497U2016-04-06
US20110176695A12011-07-21
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