Title:
SOUND GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/168911
Kind Code:
A1
Abstract:
Disclosed is a sound generation device, comprising: a basket; and a vibration system and a magnetic circuit system having a magnetic gap respectively fixed to the basket. The vibration system comprises a diaphragm fixed to the basket, a voice coil inserted into the magnetic gap and driving the diaphragm to vibrate and generate sound, and a supporting frame connected to the diaphragm and the voice coil. The supporting frame comprises an annular frame main body and a connection plate crossing over the frame main body and connected to two opposite sides of the frame main body. The frame main body and the connection plate are positioned between the diaphragm and the voice coil. One end of the frame main body is connected to the diaphragm, and the other end thereof is connected to the voice coil. The connection plate is connected to the diaphragm. Compared with the related art, the sound generation device of the present invention has increased high frequency sensitivity and an excellent acoustic performance.
Inventors:
ZHANG TONG (CN)
Application Number:
PCT/CN2020/079028
Publication Date:
September 02, 2021
Filing Date:
March 12, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R9/06
Foreign References:
| CN109275075A | 2019-01-25 | |||
| JP2016184901A | 2016-10-20 | |||
| CN205847559U | 2016-12-28 |
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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