ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,221, issued on April 8, was assigned to Sensormatic Electronics LLC (Boca Raton, Fla.).

"Radio frequency identification (RFID) tag location verification using acousto-magnetic detection" was invented by Manuel A. Soto (Lake Worth, Fla.), John Clark (Boynton Beach, Fla.), John A. Allen (Pompano Beach, Fla.) and Adam S. Bergman (Boca Raton, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example implementations include a method, apparatus, and computer-readable medium for electronic article surveillance (EAS), comprising transmitting an acousto-magnetic (AM) interrogation signal into an AM interrogation zone of an EAS system. The AM interrogation ...