Title:
ELECTROACOUSTIC DEVICE AND MOBILE TERMINAL
Document Type and Number:
WIPO Patent Application WO/2019/047716
Kind Code:
A1
Abstract:
An electroacoustic device and a mobile terminal (900) are provided. The electroacoustic device may include a box (10, 10c, 10d, 40) defining an opening (11, 421); an electroacoustic component (20) including a frame (21, 21c, 21d, 60), a vibrating membrane (22, 50) and a driving assembly (23, 70), wherein the frame is installed inside the box (10, 10c, 10d, 40), the vibrating membrane (22, 50) is assembled on the frame (21, 21c, 21d, 60) and covers the opening (11, 421), the frame (21, 21c, 21d, 60) and the vibrating membrane (22, 50) define a chamber (24, 45), the driving assembly (23, 70) is configured to drive the vibrating membrane (22, 50) to vibrate, and the frame (21, 21c, 21d, 60) defines a leaking channel (211, 211c, 211d, 61); and partition nets (30, 80) set inside the box (10, 10c, 10d, 40), wherein a space between the electroacoustic component (20) and the box (10, 10c, 10d, 40) is divided into cavities (12, 46) by the partition nets (30, 80), at least one cavity (12, 46) is filled with sound absorption material (13, 47), and the cavities (12, 46) are communicated with the chamber (24, 45) through the leaking channel (211, 211c, 211d, 61).
Inventors:
YAN BIXIANG (CN)
Application Number:
PCT/CN2018/101811
Publication Date:
March 14, 2019
Filing Date:
August 22, 2018
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04R9/02; H04R9/06
Domestic Patent References:
| WO2006016321A2 | 2006-02-16 |
Foreign References:
| CN107454529A | 2017-12-08 | |||
| CN207410517U | 2018-05-25 | |||
| CN204180268U | 2015-02-25 | |||
| CN103237280A | 2013-08-07 |
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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