US Patent Issued to Apple on March 25 for "Accessory devices to improve wireless power transfer efficiency" (California Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,449, issued on March 25, was assigned to Apple Inc. (Cupertino, Calif.).

"Accessory devices to improve wireless power transfer efficiency" was invented by Ruiyang Lin (Milpitas, Calif.), Matthew J Chabalko (Salinas, Calif.), Zaki Moussaoui (San Carlos, Calif.) and Adam L Schwartz (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An accessory for improving wireless power transfer efficiency in a wireless power transfer system can include a magnetic (e.g., ferrite) core dimensioned and positioned so as to reduce flux coupling from the PTx winding into friendly metal of the PRx and/or to enhance flux coupling from the PTx winding to...