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Patent Searching and Data


Title:
SOUNDER MODULE
Document Type and Number:
WIPO Patent Application WO/2019/024470
Kind Code:
A1
Abstract:
Disclosed is a sounder module, comprising a module casing and a sounder monomer accommodated in a cavity formed by the module casing. The sounder monomer divides the cavity into a front cavity and a back cavity; the module casing is provided with a sound outlet; the front cavity comprises an upstream cavity and an outlet channel used for communicating the upstream cavity and the sound outlet; the module upper casing comprises a main body part and a first retaining wall; the upstream cavity is formed by the first retaining wall in a surrounding manner; a section of the first retaining wall which is adjacent to the outlet channel is a cantilever section; an inlet of the outlet channel is formed between the cantilever section and the main body part; a second retaining wall forming the side wall of the outlet channel is also provided on the main body part; the module lower casing, the second retaining wall and the cantilever section form the outlet channel together, and seal the outlet channel. The present invention increases the height of the outlet channel and improves the sounding smoothness of the sounder module, so as to improve the sound quality and the sensitivity of the sounder module.

Inventors:
MA HONGDA (CN)
LIU GUANGFU (CN)
WANG JINGWEI (CN)
CHEN GUOQIANG (CN)
Application Number:
PCT/CN2018/074234
Publication Date:
February 07, 2019
Filing Date:
January 26, 2018
Export Citation:
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Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/06; H04R9/02
Foreign References:
CN107277720A2017-10-20
CN205847569U2016-12-28
CN206181362U2017-05-17
CN106162461A2016-11-23
CN205946155U2017-02-08
Attorney, Agent or Firm:
BEIJING JANLEA PATENT AGENCY CO., LTD. (CN)
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