US Patent Issued to QUALCOMM on April 7 for "Circulator for full duplex communications" (Finnish, German Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,910, issued on April 7, was assigned to QUALCOMM Inc. (San Diego).

"Circulator for full duplex communications" was invented by Juha Sakari Ella (Turku, Finland) and Edgar Schmidhammer (Stein an der Traun, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example circulator generally includes a plurality of branches. Each of the branches includes a first acoustic wave resonator and a second acoustic wave resonator coupled in series with the first acoustic wave resonator. Each of the branches further includes a first switching device and a second switching device. The first switching device is coupled in parallel with the first acoustic wave r...