Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PIEZOELECTRIC TRANSDUCER, ACOUSTIC OUTPUT DEVICE AND SOUND TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/221063
Kind Code:
A1
Abstract:
The present description relates to a piezoelectric transducer, comprising: a piezoelectric layer and an electrode, the electrode covering at least one surface of the piezoelectric layer, and the electrode or the piezoelectric layer comprising a plurality of concave structures recessed in the thickness direction of the electrode or the piezoelectric layer.

Inventors:
YUAN YONGSHUAI (CN)
HUANG YUJIA (CN)
QI XIN (CN)
LIAO FENGYUN (CN)
Application Number:
PCT/CN2022/093975
Publication Date:
November 23, 2023
Filing Date:
May 19, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHENZHEN SHOKZ CO LTD (CN)
International Classes:
H02N2/18
Foreign References:
CN112865604A2021-05-28
JP2006229901A2006-08-31
JP4249778B22009-04-08
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: VOICE WAKE-UP METHOD AND APPARATUS OF ELECTRONIC DEVICE, STORAGE MEDIUM AND CHIP

Next Patent: GIMBAL AND MOVABLE PLATFORM