Title:
SPEAKER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/185224
Kind Code:
A1
Abstract:
Disclosed in the present application are a speaker and an electronic device. The speaker comprises a diaphragm, a vibration source, and a frame. The diaphragm comprises a diaphragm body and multiple add-ons; the diaphragm body comprises a middle part, a connecting part, and an edge part; the middle part of the diaphragm body is located on an inner side of the edge part of the diaphragm body; the connecting part of the diaphragm body is connected between the middle part of the diaphragm body and the edge part of the diaphragm body; the vibration source is fixed to the middle part of the diaphragm body; the frame is fixed to the edge part of the diaphragm body; the multiple add-ons are fixed to the connecting part of the diaphragm body and are disposed surrounding the middle part of the diaphragm body; and the material of the multiple add-ons is different from the material of the diaphragm body. The sound quality of the speaker is relatively good.
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Inventors:
SUN ZHENGBIN (CN)
LI FANG (CN)
YANG ZHAO (CN)
SU JIE (CN)
WANG CHUANGUO (CN)
LI FANG (CN)
YANG ZHAO (CN)
SU JIE (CN)
WANG CHUANGUO (CN)
Application Number:
PCT/CN2021/080919
Publication Date:
September 23, 2021
Filing Date:
March 16, 2021
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04R7/00
Foreign References:
| CN1261511A | 2000-07-26 | |||
| CN105898648A | 2016-08-24 | |||
| CN108574915A | 2018-09-25 | |||
| US7447328B2 | 2008-11-04 | |||
| US7801324B2 | 2010-09-21 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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