ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,867, issued on Oct. 21, was assigned to NORTHROP GRUMMAN SYSTEMS Corp. (Falls Church, Va.).

"Acoustic resonator filter bank system" was invented by Matthew S. Torpey (Ellicott City, Md.) and Robert S. Howell (Silver Spring, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "One example includes an acoustic resonator filter bank system. The system includes a multiplex passive filter that is configured to provide a plurality of filtered versions of a radio frequency (RF) input signal. The system also includes a filter bank that comprises a plurality of filter blocks that are each configured to provide a plurality of pass-bands across a frequency spect...