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:
May. 27, 2025
Filed:
Jan. 04, 2023
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
A vibration sounding device includes a housing, a sounding unit, and a motor vibration system. The motor vibration system includes a vibration unit and elastic components, and the vibration unit includes coils. The sounding unit includes a frame, a vibration system, a magnetic circuit system, and a front cover. The vibration system includes a first vibration system and a second vibration system. The first vibration system surrounds the second vibration system and is coaxially disposed with the second vibration system. The first vibration system includes a first vibrating diaphragm and a first voice coil. The second vibration system includes a second vibrating diaphragm and a second voice coil. The magnetic circuit system is fixed to the housing. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The vibration sounding device is small in overall thickness and in size, and excellent in acoustic performance.