Title:
LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2021/134271
Kind Code:
A1
Abstract:
Provided in the present application is a loudspeaker. The loudspeaker comprises a basin frame, and a vibration system and a magnetic circuit system that is provided with a magnetic gap, which are each fixed to the basin frame; the vibration system comprises a diaphragm fixed to the basin frame and a voice coil fixed to the diaphragm, and the diaphragm comprises a metal foil embedded in the diaphragm. The described loudspeaker is beneficial in improving the performance and heat dissipation of the unit, and is also beneficial in increasing the magnitude of edge magnetism and improving the performance of the magnetic circuit system of the loudspeaker, thereby improving the sound-generating performance of the loudspeaker.
Inventors:
XIANG QUN (CN)
ZHENG YAJIAN (CN)
SHI YANG (CN)
ZHENG YAJIAN (CN)
SHI YANG (CN)
Application Number:
PCT/CN2019/130055
Publication Date:
July 08, 2021
Filing Date:
December 30, 2019
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R9/02; H04R9/04; H04R9/06
Foreign References:
| CN108055623A | 2018-05-18 | |||
| CN108055623A | 2018-05-18 | |||
| CN109218934A | 2019-01-15 | |||
| CN207968891U | 2018-10-12 | |||
| CN109362003A | 2019-02-19 | |||
| US20060062419A1 | 2006-03-23 | |||
| US20150055818A1 | 2015-02-26 |
Attorney, Agent or Firm:
SHENZHEN CHINA INNOVATION SOUTH INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
Download PDF:
Previous Patent: CAMERA OPTICAL LENS
Next Patent: TRIPTOLIDE ACRYLATE, PREPARATION METHOD THEREFOR AND USE THEREOF
Next Patent: TRIPTOLIDE ACRYLATE, PREPARATION METHOD THEREFOR AND USE THEREOF