Title:
ELECTROACOUSTIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/000531
Kind Code:
A1
Abstract:
The present application provides an electroacoustic device, comprising a basin frame and a vibration system fixed to the basin frame. The vibration system comprises a vibrating diaphragm fixed to the basin frame, a voice coil assembly elastically suspended below the vibrating diaphragm and an elastic member arranged opposite to and spaced apart from the vibrating diaphragm. In the electroacoustic device of the present application, an elastic arm of the elastic member comprises a first elastic arm, a second elastic arm and a connecting arm, wherein the first elastic arm and the second elastic arm are at least partially arc-shaped arms bent and protruded in the vibration direction of the vibrating diaphragm, and the length of the elastic arm is extended in a limited space of the basin frame, so that the fatigue fracture resistance of the elastic member is improved; and under the condition that the natural vibration frequency is not excessively reduced, the service life of the elastic member is obviously prolonged, and the product quality is improved.
Inventors:
CHEN ZHIYUAN (CN)
WU SHUWEN (CN)
WU SHUWEN (CN)
Application Number:
PCT/CN2020/101216
Publication Date:
January 06, 2022
Filing Date:
July 10, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECH SHUYANG CO LTD (CN)
AAC MODULE ELECTRONIC SHUYANG CO LTD (CN)
AAC TECH SHUYANG CO LTD (CN)
AAC MODULE ELECTRONIC SHUYANG CO LTD (CN)
International Classes:
H04R9/02
Foreign References:
| CN209390352U | 2019-09-13 | |||
| CN201937811U | 2011-08-17 | |||
| US20140247960A1 | 2014-09-04 | |||
| CN210016629U | 2020-02-04 |
Attorney, Agent or Firm:
SHENZHEN CHINA INNOVATION SOUTH INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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