ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,261, issued on March 31, was assigned to Apple Inc. (Cupertino, Calif.).

"Regulator system with voltage control" was invented by Jay B Fletcher (Cupertino, Calif.), Shawn Searles (Austin, Texas), Hao Zhou (Cupertino, Calif.) and Sanjay Pant (Cupertino, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure describes a system having a power supply circuit, a first regulator circuit, a second regulator circuit, and a load circuit. The power supply circuit outputs a power supply voltage. The first regulator circuit receives the power supply voltage and outputs a first regulated voltage based on the power supply voltage. The secon...