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:
Jun. 26, 2023
Aac Microtech (Changzhou) Co., Ltd., Jiangsu, CN;
Xin Jin, Changzhou, CN;
Fan Zhang, Changzhou, CN;
Wei Song, Changzhou, CN;
Ronglin Linghu, Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
The present disclosure provides a multifunctional sounding device, which includes a lower housing, an upper housing and a sounding unit. The sounding unit includes a frame, a vibration system and a magnetic circuit system. The magnetic circuit system includes a main magnetic circuit, a first auxiliary magnetic circuit and a second auxiliary magnetic circuit. The first auxiliary magnetic circuit includes a first auxiliary magnet and a first auxiliary pole plate. The multifunctional sounding device also includes a motor assembly having a vibration unit and an elastic member. The main magnetic circuit, the first auxiliary magnetic circuit and the second auxiliary magnetic circuit are respectively fixed in the lower housing or the upper housing. This is not only beneficial to control the magnetic gap, but also improves production accuracy and product consistency.