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Patent Searching and Data


Title:
CARBON FIBER DOME AND LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2021/128193
Kind Code:
A1
Abstract:
The present application relates to the technical field of electroacoustic devices, and in particular, to a carbon fiber dome and a loudspeaker. The carbon fiber dome comprises a carbon fiber layer and a foamed material layer stacked on the carbon fiber layer. The carbon fiber layer comprises one or more layers of carbon fiber unidirectional tape prepreg. The foamed material layer is a foamed polyethylene terephthalate layer. According to the carbon fiber dome and the loudspeaker of the present application, by compounding the foamed material layer containing polyethylene terephthalate with the carbon fiber material layer, the strength of the product is enhanced, the product is not easy to break during use, and the waterproof level of the product is improved.

Inventors:
DI XUN (CN)
ZHAO BIN (CN)
Application Number:
PCT/CN2019/128816
Publication Date:
July 01, 2021
Filing Date:
December 26, 2019
Export Citation:
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Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R9/06; B32B5/18; B32B9/04; B32B27/02; B32B27/04; B32B27/36
Foreign References:
CN210351609U2020-04-17
CN107257534A2017-10-17
CN207869384U2018-09-14
CN109862482A2019-06-07
CN201854407U2011-06-01
CN101394683A2009-03-25
US20170373243A12017-12-28
CN205408134U2016-07-27
Attorney, Agent or Firm:
SHENZHEN CHINA INNOVATION SOUTH INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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