Title:
LOUDSPEAKER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/061988
Kind Code:
A1
Abstract:
The present application provides a loudspeaker, comprising a vibration system, a magnetic circuit system, and a basket having a containing cavity. The magnetic circuit system is arranged in the containing cavity. The vibration system comprises a vibrating diaphragm and a voice coil used for driving the vibrating diaphragm to vibrate and produce sound, wherein the vibrating diaphragm comprises a waterproof breathable film, a dome with hole structures and a voice diaphragm with through holes; the number of through holes is the same as that of the hole structures; and the voice diaphragm is arranged in the containing cavity in order to divide the containing cavity into a front voice chamber and a rear voice chamber, the dome and the voice coil are arranged in the rear voice chamber, the through holes are in communication with the hole structures, and the waterproof breathable film is arranged on the side of the voice diaphragm facing away from the dome and correspondingly covers the through holes.
Inventors:
ZHANG LONG (CN)
DONG XIANJIE (CN)
ZHANG XUEFENG (CN)
DONG XIANJIE (CN)
ZHANG XUEFENG (CN)
Application Number:
PCT/CN2020/120994
Publication Date:
March 31, 2022
Filing Date:
October 14, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R9/02; H04R9/06
Foreign References:
| CN112188372A | 2021-01-05 | |||
| CN205647943U | 2016-10-12 | |||
| CN207382568U | 2018-05-18 | |||
| CN111464924A | 2020-07-28 | |||
| CN110798785A | 2020-02-14 | |||
| CN110234042A | 2019-09-13 |
Attorney, Agent or Firm:
SHENZHEN LIDAO INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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