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:
Feb. 25, 2025
Filed:
Oct. 26, 2022
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Aac Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
Huhu Yang, Shenzhen, CN;
Wei Wei, Shenzhen, CN;
Zhaoyu Yin, Shenzhen, CN;
Zhizhu Chen, Shenzhen, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD., Shenzhen, CN;
Abstract
The sounding unit provided by the present invention includes a frame, a vibration system and a magnetic circuit system. The vibration system includes a diaphragm, a voice coil and an FPC. The diaphragm consists of a dome with a protruded platform and a suspension. The FPC includes an internal fixed part, an external fixed part, and an elastic part. The internal fixed part includes a first fixed part, a second fixed part, and a third fixed part. The voice coil includes an upper end surface and a lower end surface. The upper end surface is fixed to the protruded platform. The lower end surface is fixed to the third fixed part. The bonding strength between the FPC and the voice coil in the sounding unit is improved, and the vibration stability of the sounding unit is enhanced.