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. 11, 2025
Filed:
Jan. 16, 2023
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
Provided is speaker, including magnetic circuit unit, frame fixed to the magnetic circuit unit, and first and second sound-producing unit both fixed to the frame. The magnetic circuit unit includes magnetically conductive assembly with lower clamping plate and magnet component located on lower clamping plate. A third magnetic conductor is arranged around the magnet component, first magnetic conductor, and second magnetic conductor. A first and a second voice coil are respectively located in magnetic gaps between third magnetic conductor and second magnetic conductor and between third magnetic conductor and first magnetic conductor. The two sound-producing units share the magnetic circuit unit. The frame includes a first and a second main body portion arranged coaxially and connected to each other, a first diaphragm is fixed to second main body portion, and second diaphragm is fixed between first main body portion and second main body portion.