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. 17, 2025
Filed:
Jan. 16, 2023
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Xuedong Lv, Shenzhen, CN;
Xiaoqiong Feng, Shenzhen, CN;
Kun Yang, Shenzhen, CN;
Zhen Huang, Shenzhen, CN;
Yi Shao, Shenzhen, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
A sound generator provided in the present disclosure includes a frame, a magnetic circuit unit, and a first vibration unit and a second vibration unit arranged on two sides of the magnetic circuit unit. The magnetic circuit unit includes a first central magnetic yoke in the middle, a central magnet fixed to the first central magnetic yoke, a magnetic component arranged around the central magnet and fixed to the frame, and a connecting portion connecting the first central magnetic yoke to the magnetic component. The central magnet includes a first magnet portion fixed to the first central magnetic yoke and a second magnet portion fixed to the side of the first magnet portion away from the first central magnetic yoke, a projection area of the first magnet portion along a vibrating direction is greater than a projection area of the second magnet portion along the vibrating direction.