ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,525, issued on April 14, was assigned to Apple Inc. (Cupertino, Calif.).
"Switched capacitor converters for wireless power transfer" was invented by Zhiyuan Hu (Santa Clara, Calif.), Jizhen Fu (San Jose, Calif.) and Weihong Qiu (San Ramon, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless power receiver can include a receiver coil, with first and second rectifiers having respective inputs coupled respective terminals of the receiver coil, a first cascade of rectifier driven switched capacitor (RDSC) cells coupled between an output of the first rectifier and an output bus, and a second cascade of RDSC cells coupled between an output o...