Title:
SOUND PRODUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/062116
Kind Code:
A1
Abstract:
The present utility model provides a sound production device, which comprises a housing having an accommodating space and a sound production unit accommodated in the housing. The accommodating space is divided into a front sound cavity and a rear cavity by the sound production unit, the housing comprises a sound production hole penetrating the housing, and the front sound cavity is in communication with the outside by means of the sound production hole; and the sound production device further comprises a first sound guide channel arranged on an outer side of the housing and defined by a sound guide wall, the first sound guide channel comprises a rotating section fixed to the housing and being in communication with the sound production hole and an extending section extending from the end of the rotating section away from the housing, the rotating section is of a bendable tubular structure, and the front sound cavity is in communication with the outside by means of the sound production hole and the first sound guide channel in sequence. Compared with the related art, the sound production device of the present utility model has a better flexibility.
Inventors:
WU JUN (CN)
YANG HUHU (CN)
YANG HUHU (CN)
Application Number:
PCT/CN2020/128313
Publication Date:
March 31, 2022
Filing Date:
November 12, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R1/02
Foreign References:
| CN103957486A | 2014-07-30 | |||
| CN210093444U | 2020-02-18 | |||
| CN210986145U | 2020-07-10 | |||
| CN207354575U | 2018-05-11 | |||
| US20140153769A1 | 2014-06-05 |
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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