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Patent Searching and Data


Title:
LOUDSPEAKER MODULE
Document Type and Number:
WIPO Patent Application WO/2018/040392
Kind Code:
A1
Abstract:
Disclosed is a loudspeaker module. The loudspeaker module comprises a module shell having an accommodation cavity; a loudspeaker assembly arranged inside the accommodation cavity and dividing the accommodation cavity into a rear acoustic cavity and a front sound generating region; and non-foam sound-absorbing particles having a multi-level pore channel structure, wherein the rear acoustic cavity is filled with the non-foam sound-absorbing particles, and the non-foam sound-absorbing particles have three types of pore channels in different pore diameter ranges, i.e. micropores, mesopores and macropores; and the specific surface area of the non-foam sound-absorbing particles ranges from 250 m2/g to 500 m2/g, the pore diameter of the micropores ranges from 0.3 nm to 0.9 nm, and the pore diameter of the mesopores ranges from 2 nm to 40 nm. A technical effect of the present invention is improving the acoustic performance of the speaker module. (figure 2)

Inventors:
CAO, Xiaodong (268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
LIU, Jinli (268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
Application Number:
CN2016/111108
Publication Date:
March 08, 2018
Filing Date:
December 20, 2016
Export Citation:
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Assignee:
GOERTEK.INC (268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
International Classes:
H04R9/06; H04R9/02
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (Room 1202, Kuntai Building#10 Chaoyangmenwai Str., Chaoyang District, Beijing 0, 100020, CN)
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