Title:
SOUND GENERATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/065918
Kind Code:
A1
Abstract:
The present utility model provides a sound generating device, comprising a basket, a vibration system, a magnetic circuit system, a front cover, a waterproof sealing ring, and a waterproof and breathable partition. The vibration system comprises a diaphragm, which is spaced apart from the front cover and, together with the front cover, encloses a front sound cavity. The diaphragm, the basket and the magnetic circuit system together enclose an inner cavity. The front cover comprises a front cover body covering the basket, a first through hole and a second through hole running through the front cover body, and a support wall of the front cover body. The front sound cavity is placed in communication with the outside by the first through hole. The support wall is annular and forms a sound conduction channel in communication with the first through hole. The waterproof sealing ring is annular, is sleeved on an end of the support wall distant from the diaphragm, and enables the sound generating device to be spaced apart from an external terminal to jointly enclose a rear cavity. The waterproof and breathable partition is affixed to the front cover body, and fully covers the second through hole, the second through hole placing the front sound cavity and the rear cavity in communication. Compared with related technologies, the sound generating device of the present utility model is easy to assemble, and has good waterproof performance, high reliability, and excellent acoustic performance.
Inventors:
ZHANG LONG (CN)
DU XIWEN (CN)
DONG XIANJIE (CN)
DU XIWEN (CN)
DONG XIANJIE (CN)
Application Number:
PCT/CN2022/127381
Publication Date:
April 04, 2024
Filing Date:
October 25, 2022
Export Citation:
Assignee:
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R9/02; H04R9/06
Domestic Patent References:
| WO2022000779A1 | 2022-01-06 |
Foreign References:
| CN212812012U | 2021-03-26 | |||
| CN109246560A | 2019-01-18 | |||
| CN210042186U | 2020-02-07 | |||
| CN210641058U | 2020-05-29 | |||
| CN212588500U | 2021-02-23 |
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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