ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,576, issued on Dec. 16, was assigned to HTC Corp. (Taoyuan, Taiwan).

"Tracking device, control method, and non-transitory computer readable storage medium" was invented by Chun-Kai Huang (Taoyuan, Taiwan) and Sheng-Hui Tao (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tracking device includes a camera and a processor is disclosed. The camera is configured to capture several first pictures with a first setting group and several second pictures with a second setting group in turn. The processor is coupled to the camera. The processor is configured to select a current time point picture from several first pictures or several second ...