ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,456, issued on March 25, was assigned to SINTEF TTO AS (Trondheim, Norway).
"Wireless charging systems" was invented by Tobias Dahl (Trondheim, Norway) and Jostein Thorstensen (Trondheim, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for wirelessly charging at least one device disclosed. The device has a photovoltaic cell for converting incident light into electrical energy. The system also has a supply unit arranged to transmit a charging laser beam to the photovoltaic cell of the device. The supply unit is also arranged to transmit a visible light pattern for providing a user with information relating to operation of the system."...