ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,372, issued on March 18, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).

"Methods and circuits for stable hot switching of antennas" was invented by Peter Bacon (Derry, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Circuits and methods that enable stable and reliable "hot switching" from one antenna to another without turning RF power to the antennas OFF in wireless RF systems during at least some transmission events. One embodiment comprises an RF switch circuit including a common port configured to pass an RF signal, a plurality of switch arms each coupled to the common port and including an associated port, and a shunt t...