ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,133, issued on Oct. 14, was assigned to NUVOTON TECHNOLOGY Corp. (Hsinchu Science Park, Taiwan).

"Control circuit, method and system" was invented by Tse-Yen Liu (Taipei, Taiwan) and Yu-Jen Chang (Yuanlin, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control circuit including a quadrature encoder circuit, a counter circuit, and a cutoff circuit is provided. The quadrature encoder circuit generates a first edge signal and a first direction signal according to a first external signal and a second external signal. The counter circuit performs a counting operation according to the first edge signal and the first direction signal. In response ...