ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,135, issued on Nov. 11, was assigned to REALTEK SEMICONDUCTOR Corp. (Hsinchu, Taiwan).

"Comparator-based switched-capacitor circuit" was invented by Shih-Hsiung Huang (Hsinchu, Taiwan) and Wei-Cian Hong (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A comparator-based switched-capacitor circuit (SC circuit) has a first output terminal and a second output terminal, which output a first output signal and a second output signal, respectively. The comparator-based SC circuit includes a switch-capacitor network, a first current source, a second current source, and a compensation circuit. The first current source is coupled to the switch-...