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:
Aug. 19, 2025
Filed:
Jul. 20, 2022
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Zhang Ren, Shenzhen, CN;
Zhiwei Zhong, Shenzhen, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
A sound device includes a frame, a vibration system, and a magnetic circuit system. The vibration system is supported on the frame. The magnetic circuit system has magnetic gaps. The vibration system includes a vibrating diaphragm, a voice coil, and a framework. The voice coil is inserted into the magnetic gaps to drive the vibrating diaphragm to vibrate and produce sound. The framework is configured to connect the vibrating diaphragm and the voice coil. The vibrating diaphragm includes an annular dome portion, an annular first folding ring portion, and an annular second folding ring portion. The dome portion is connected to the first folding ring portion and the second folding ring portion. The framework includes a framework flat plate wall and framework glue containing portions. Compared with related art, the sound device is wider in frequency band and better in high-frequency performance.