ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,570, issued on April 14, was assigned to Apple Inc. (Cupertino, Calif.).

"Reduced-ripple charge pump systems and methods" was invented by Benedikt Wolf (Neu-Ulm, Germany), Alessandro Perrotta (Kirchheim unter Teck, Germany), Robert Prinz (Stuttgart, Germany), Frank M Kronmuller (Kirchheim unter Teck, Germany) and Jan Grabinski (Kirchheim unter Teck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical device may include an electrical load that draws current, a charge pump that provides the current to the electrical load, and clock circuitry. The charge pump may include an amplifier, a first fly capacitor, a second fly capacitor, and...