US Patent Issued to BEIJING HONOR DEVICE on Feb. 10 for "Kernel of speaker module, speaker module, and earphone" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,904, issued on Feb. 10, was assigned to BEIJING HONOR DEVICE Co. LTD. (Beijing).

"Kernel of speaker module, speaker module, and earphone" was invented by Yunhai Li (Beijing) and Jianfei Chu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 ...