US Patent Issued to International Business Machines on Dec. 16 for "Multipole multiband isolator devices" (New York, Connecticut Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,324, issued on Dec. 16, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Multipole multiband isolator devices" was invented by Matthew Beck (Danbury, Conn.), Michael Karunendra Selvanayagam (Ossining, N.Y.) and Corrado P Mancini (Hopewell Junction, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device comprises filter circuitry and non-linear mixing devices. The filter circuitry comprises a first port, a second port, a first bandpass filter, and a second bandpass filter. The non-linear mixing devices are responsive to control signals to couple poles of the first bandpass filter to respective poles of the second bandpass ...