ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,724, issued on Sept. 23, was assigned to NXP USA INC. (Austin, Texas).
"Quadrature couplers and methods of operation" was invented by Joseph Staudinger (Gilbert, Ariz.) and Michael Lee Fraser (Tempe, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quadrature coupler includes four ports, four inductors, and six capacitors. The first through third capacitors are coupled in series between the first and fourth ports. A first intermediate node is between the first and second capacitors. A second intermediate node is between the second and third capacitors. The fourth through sixth capacitors are coupled in series between the second and third port...