ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,528, issued on Aug. 5, was assigned to AUO Corp. (Hsin-Chu, Taiwan).
"Watermark embedding method and display device" was invented by Yang-En Wu (Hsin-Chu, Taiwan), Wen-Rei Guo (Hsin-Chu, Taiwan), Wei-Ming Cheng (Hsin-Chu, Taiwan) and Chao-Wei Li (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A watermark embedding method includes the following steps. The input video signal is received by a processing circuit. Grayscale information of a watermark signal is generated by the processing circuit according to a time series data and a predetermined plane. During a dark sate and a bright state in each of a plurality of consecutive periods, p...