ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,516, issued on Sept. 22, was assigned to Apple Inc. (Cupertino, Calif.).
"Systems and methods for impedance tuning" was invented by Josef W Koller (Burglengenfeld, Germany), Bjoern Lenhart (Nuremberg, Germany), Dominic Koehler (Viereth-Trunstadt, Germany), Rastislav Vazny (Sunnyvale, Calif.), Joonhoi Hur (Sunnyvale, Calif.) and Harald Pretl (Schwertberg, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "In electronic devices used in radio-frequency communications, impedance matching may result in desirable operating conditions. However, impedance of the antenna may change over time (e.g., due to frequency of signals being transmitted or receiv...