Title:
MEMS SPEAKER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/217403
Kind Code:
A1
Abstract:
An MEMS speaker and an electronic device. The MEMS speaker has better performance. The MEMS speaker has an upper bottom surface (C2) and a lower bottom surface (C1) parallel to each other with a side wall (D1) therebetween; one or more of the upper bottom surface (C2), the lower bottom surface (C1), and the side wall (D1) have through holes (Vj, Uk); an actuator in the speaker is connected to the side wall (D1), and the vibration direction is generally parallel to the upper bottom surface (C2) and the lower bottom surface (C1); the actuator has a plurality of parallel plate-shaped branches (Fn).
Inventors:
ZHANG MENGLUN (CN)
SUN CHEN (CN)
SUN CHEN (CN)
Application Number:
PCT/CN2021/086450
Publication Date:
October 20, 2022
Filing Date:
April 12, 2021
Export Citation:
Assignee:
ROFS MICROSYSTEM TIANJIN CO LTD (CN)
International Classes:
H04R19/02
Foreign References:
| CN111885469A | 2020-11-03 | |||
| CN109688529A | 2019-04-26 | |||
| CN1604466A | 2005-04-06 | |||
| CN101924528A | 2010-12-22 | |||
| CN111193487A | 2020-05-22 | |||
| CN111164761A | 2020-05-15 | |||
| US3636278A | 1972-01-18 |
Attorney, Agent or Firm:
CHINA SMART INTELLECTUAL PROPERTY LTD. (CN)
Download PDF:
Previous Patent: MEMS LOUDSPEAKER AND MANUFACTURING METHOD THEREFOR, AND ELECTRONIC DEVICE
Next Patent: PHOTOGRAPHIC APPARATUS AND MOBILE PLATFORM
Next Patent: PHOTOGRAPHIC APPARATUS AND MOBILE PLATFORM