ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,537, issued on Nov. 4, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Seoul, South Korea).

"Methods and devices for compact voltage supply switching" was invented by Ying Chen (San Jose, Calif.), Tienyu Chang (Sunnyvale, Calif.) and Xiaohua Yu (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses are provided in which a level shifter of a digital control circuit for a switchable voltage supply circuit shifts a domain level of a first input. A first inverter of the digital control circuit inverts output of the first level shifter to output a first gain voltage to turn on a first switch of the switchable voltage supply...