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. 19, 2026
Filed:
Dec. 29, 2023
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Chao Zhang, Changzhou, CN;
Bo Peng, Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
A speaker includes a frame, a vibration system including a diaphragm and a voice coil driving the diaphragm to vibrate and emit sounds, and a magnetic circuit system. The diaphragm includes a dome and a suspension surrounding the dome, the dome includes a first dome and a second dome stacked on the first dome, the second dome is smaller than the first dome and a projection of the second dome along a vibration direction of the diaphragm is entirely located on the first dome, the first dome is a metal dome, or a plastic dome, or a composite dome comprising a metal layer and a foam layer, the second dome is a metal dome, or a plastic dome, or a composite dome with a metal layer and a foam layer. Compared with the related art, the speaker disclosed by the present disclosure has a high strength of the dome.