ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,316, issued on March 17, was assigned to QUALCOMM Inc. (San Diego).
"Multi-communication device antenna interface" was invented by Edgar Konrad Schmidhammer (Stein an der Traun, Germany) and Juha Sakari Ella (Turku, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus, including: an antenna interface, comprising: a first transformer including a first transmission line coupled to a second transmission line, wherein the first transmission line includes first and second ends configured to couple to a first communication device and a reference potential electrode, respectively, and wherein the second transmission line includes first and ...