The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2026
Filed:
Jul. 05, 2024
Aac Kaitai Technologies (Wuhan) Co., Ltd., Hubei, CN;
Qiang Dan, Wuhan, CN;
Linxin Zhang, Wuhan, CN;
Yufen Chu, Wuhan, CN;
Yao Hui, Wuhan, CN;
Yang Li, Wuhan, CN;
AAC Kaitai Technologies (Wuhan) CO., LTD., Wuhan, CN;
Abstract
The present disclosure provides a MEMS speaker including a supporting member, a diaphragm used for emitting an amplitude-modulated ultrasonic wave, and an acoustic valve. The supporting member includes a supporting body and an acoustic hole, the acoustic valve includes a valve body fixed with a peripheral side of the supporting body and located in the acoustic hole and a variable section valve hole permeating from one end of the valve body to the other end thereof, the diaphragm is fixed with an inner peripheral side of the supporting body and located in the acoustic hole, the variable section valve hole allows the amplitude-modulated ultrasonic wave passing through the variable section valve hole to produce a modulated acoustic wave. Compared with the related art, the MEMS speaker could enhance the efficiency and amplitude of acoustic wave demodulation, and the acoustic performance could be enhanced.