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:
Dec. 28, 2021
Filed:
Aug. 13, 2020
Aac Technologies Pte. Ltd., Singapore, SG;
Zhaoxian Chen, Shenzhen, CN;
Lubin Mao, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The invention provides a screen sounding device, including a frame; a screen installed on the frame; and a driving device arranged between the frame and the screen for driving the screen to generate sound. The driving device includes a magnetic circuit system fixed on the screen and an electromagnet for driving the magnetic circuit system. The magnetic circuit system includes a connection covering plate fixed on the screen and a magnet fixed on a side of the connection covering plate away from one of the screen, and the magnet is arranged around the electromagnet. By virtue of the configuration, the driving force is greater and the sound performance is improved.