US Patent Issued to Walmart Apollo on Sept. 30 for "Error correction using combination RFID signals" (Arkansas Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,521, issued on Sept. 30, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Error correction using combination RFID signals" was invented by Sara Vaught (Centerton, Ark.) and Jeffrey S. Cruz (Bentonville, Ark.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for error correction using radiofrequency identification (RFID) signals. The method includes analyzing one or more signal properties of received RFID tag data obtained from location tag(s) associated with one or more predetermined locations and item tag(s) associated with one or more items in the scan zone. The current location of the items is calculated based on the ana...