ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,938, issued on Dec. 30, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).
"Locker with motion sensor" was invented by Chih-Huan Wu (Hsin-Chu County, Taiwan), Wen-Han Yao (Hsin-Chu County, Taiwan) and Yi-Hsien Ko (Hsin-Chu County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a locker with a motion sensor. The motion sensor identifies whether an object is put into or taken out from the locker by calculating coordinates of the object using a motion detection algorithm, by calculating a moving vector of the object using an image time differential algorithm or by comparing a current image frame and a background ima...