ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,325, issued on July 22, was assigned to Auckland Uniservices Ltd. (Auckland, New Zealand).
"Active impedance control" was invented by Duleepa Jayanath Thrimawithana (Auckland, New Zealand) and Cody Yang Liu (Auckland, New Zealand).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resonant inductive power transfer circuit has a power converter to supply to a load, and the converter is concurrently controlled to create a controlled reactance that substantially compensates for variability in the coupling with the another resonant inductive power transfer circuit and/or changes in the load supplied by the power converter."
The patent was filed on June 16...