ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,965, issued on Oct. 28, was assigned to Qorvo US Inc. (Greensboro, N.C.).

"Acoustic filters providing negative capacitance for use in multiplexers" was invented by Nadim Khlat (Cugnaux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic filter providing negative capacitance for use in multiplexers is provided that may include a first resonator and a second resonator. The second resonator may be a three terminal element that includes two sub-resonator elements having opposite polarities that are mechanically coupled such that as one sub-resonator expands, the other contracts. The second resonator may act as a negative capacitance eleme...