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. 10, 2026
Filed:
Aug. 24, 2022
Beijing Honor Device Co., Ltd., Beijing, CN;
Yunhai Li, Beijing, CN;
Jianfei Chu, Beijing, CN;
BEIJING HONOR DEVICE CO., LTD., Beijing, CN;
Abstract
A kernel of a speaker module, a speaker module, and an earphone are provided and related to the field of electronic product technologies. The kernel includes a first diaphragm assembly, a first voice coil, a magnetic circuit system, a second diaphragm assembly, and a second voice coil. The magnetic circuit system includes a first magnetic portion, a second magnetic portion, and a third magnetic portion. The first magnetic portion surrounds a periphery of the second magnetic portion. The first voice coil cooperates with the first magnetic portion and the second magnetic portion to drive the first diaphragm assembly to vibrate. The second voice coil is fastened to the second diaphragm assembly, and the second diaphragm and the first diaphragm assembly are arranged on the magnetic circuit system. The second voice coil cooperates with the second magnetic portion to drive the second diaphragm assembly to vibrate.