US Patent Issued to PIXART IMAGING on Aug. 19 for "Optical sensor acquiring image frames corresponding to ambient light flickers" (Malaysian Inventor)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,657, issued on Aug. 19, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).

"Optical sensor acquiring image frames corresponding to ambient light flickers" was invented by Zi-Hao Tan (Penang, Malaysia).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an optical sensor including a photodiode, a wave converter, a pixel array and a processor. The photodiode detects ambient light flicker to generate sine waves. The wave converter converts the sine waves to square waves. The processor uses a sampling frequency to count the square waves, and identifies whether the ambient light flicker is well detected according to a counting val...