ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,222, issued on Feb. 3, was assigned to SHENZHEN YINWANG INTELLIGENT TECHNOLOGIES Co. LTD. (Shenzhen, China).

"Clock calibration method and apparatus" was invented by Chao Li (Chengdu, China), Xingxin Zhang (Chengdu, China), Pengxin Bao (Chengdu, China) and Xuehuan Wang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A clock calibration method and apparatus is provided, where the method includes a terminal device uses first timing information, adjusts second timing information of the terminal device based on reference timing information, and when determining that a first condition is met, switches from using the first timing information...