ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,986, issued on Dec. 2, was assigned to PixArt Imaging Inc. (Hsin-Chu, Taiwan).
"Optical sensor which can reduce image flicker" was invented by Chih-Huan Wu (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sensor, for sensing a sensing frame corresponding to a flicker period of ambient light, comprising: a pixel array, configured to perform N times of exposure operations via at least one pixel of the pixel array in N exposure time intervals to generate N sub-frames, wherein a summation of the N exposure time intervals equals to a sensing interval and the sensing interval is less than or identical to a first flicker period. T...