ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,518, issued on April 8, was assigned to BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co. LTD. (Beijing) and BOE TECHNOLOGY GROUP Co. LTD. (Beijing).
"Gaze point calculation apparatus and driving method therefor, and electronic device" was invented by Gaoming Sun (Beijing) and Guofeng Hu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gaze point calculation apparatus includes: a first cache register, a multiplexer, an arithmetic unit assembly, and a state machine. The first cache register is configured to receive and store first coordinates and a plurality of calibration parameters required when second required are obtained through calculation ac...