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:
Aug. 31, 2021
Filed:
Dec. 07, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
Xiaodong Liu, Shenzhen, CN;
Long Zhang, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present invention discloses a speaker having a frame, a vibrating system and a magnet circuit system. The vibrating system has a vibrating diaphragm, a voice coil, and an elastic supporting. The magnetic circuit system has a main magnet, as secondary magnet located and spaced on two opposite sides of the main magnet, and a magnetic plate stacked on the secondary magnet and spaced away from the elastic supporting assembly. The magnetic plate includes a main body stacked on the secondary magnet and an extending wall extending from two opposite sides of the main body towards the main magnet and spaced away from the voice coil. The extending wall is facing and spaced away from the elastic supporting assembly. The speaker of the present invention has an excellent acoustic performance.