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Patent Searching and Data


Title:
SPEAKER MODULE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/089032
Kind Code:
A1
Abstract:
Provided by the present application are a speaker module and an electronic device, relating to the technical field of electronic devices, which can, while keeping the external dimensions of the speaker module unchanged, increase the area of the diaphragm, increase the rear chamber space, and increase the sensitivity of the speaker. The speaker module comprises a speaker module body, said speaker module body comprising a first housing, a cone, and a drive apparatus, the first housing being internally provided with an accommodating chamber; the diaphragm is located in the accommodating chamber and the edge of the diaphragm is fixed to the first housing, the accommodating chamber is separated by the diaphragm into a front acoustic cavity and a rear acoustic cavity, and the first housing is provided with a sound outlet passageway in communication with the front acoustic cavity; the drive apparatus is located in the rear acoustic cavity, the drive apparatus comprises a stator and a mover, the drive apparatus is fixed to the first housing by means of the stator, the drive apparatus is fixed to the diaphragm only by means of the mover, and the area of the positive projection of the drive apparatus in the plane of the diaphragm is smaller than the area of the diaphragm. The speaker module provided by the embodiments of the present application is applied to an electronic device.

Inventors:
ZHOU JUN (CN)
GUO LI (CN)
Application Number:
PCT/CN2021/117516
Publication Date:
May 05, 2022
Filing Date:
September 09, 2021
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04R9/04
Foreign References:
CN104159179A2014-11-19
CN104219607A2014-12-17
CN204498360U2015-07-22
CN209017232U2019-06-21
US20200045415A12020-02-06
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
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