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:
Jun. 16, 2026
Filed:
Jul. 04, 2024
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Zhang Ren, Changzhou, CN;
Zhiwei Zhong, Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
A speaker includes a first frame, a first vibration system, a second frame, a second vibration, and a magnetic circuit system separately driving the first vibration system and the second vibration system to vibrate and sound, the magnetic circuit system includes a lower plate fixed on the first frame, a main magnet stacked and fixed on the lower plate, a main pole plate stacked and fixed on the main magnet, a center auxiliary magnet stacked and fixed on the main pole plate, a center magnet stacked and fixed on the center auxiliary magnet, and an auxiliary pole plate stacked and fixed on the center magnet. Compared with the related art, the speaker disclosed by the present disclosure could increase the thickness of the center magnet and enhance the magnetic flux of the magnetic circuit system.