US Patent Issued to Apple on June 30 for "Differential duplexer systems with phase shifters" (German, Austrian, American Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,445, issued on June 30, was assigned to Apple Inc. (Cupertino, Calif.).

"Differential duplexer systems with phase shifters" was invented by Bjoern Lenhart (Nuremberg, Germany), Christof Pfannenmuller (Erlangen, Germany), Dominic Koehler (Viereth-Trunstadt, Germany), Harald Pretl (Schwertberg, Austria) and Rastislav Vazny (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication device includes a duplexer differentially coupled to a receiver and a transmitter. The duplexer may include phase shifters on the differential lines to provide differential received signals to the receiver and receive differential transmission signals ...