ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,939, issued on Sept. 16, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Clock duty cycle adjustment and calibration circuit and method of operating same" was invented by Tien-Chien Huang (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A clock circuit includes a set of level shifters, a duty cycle adjustment circuit and a calibration circuit. The set of level shifters configured to output a first set of phase clock signals having a first duty cycle. The duty cycle adjustment circuit is configured to generate a first clock output signal responsive to a multiplexed selection signal, the first clock ...