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. 23, 2025
Filed:
Apr. 01, 2024
Aac Microtech (Changzhou) Co., Ltd., Jiangsu, CN;
Ronglin Linghu, Changzhou, CN;
Bo Xiao, Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
The present application provides a sounding device, including a basket frame, a vibration system including a diaphragm, a first voice coil and a second voice coil, and a magnetic circuit system; the first voice coil and the second voice coil are inserted and suspended within a first magnetic gap and a second magnetic gap, respectively. The magnetic circuit system includes a lower clamping plate, a first center magnetic steel and a second center magnetic, and an irregular edge magnetic steel; the irregular edge magnetic steel includes a side magnet body, a first sub-magnetic steel, and a second sub-magnetic steel; the first sub-magnetic steel and the second sub-magnetic steel are located in a side of the first center magnetic steel and a side of the second center magnetic steel, respectively. Compared to the prior art, the sounding device of the present application has good acoustic performance.