ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,977, issued on June 16, was assigned to Clairvoyant Technology Inc. (Durham, N.C.).
"RFID portal targeting" was invented by Scott McMillan (Apex, N.C.) and Thomas J. Frederick (Chapel Hill, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects and features of this disclosure include operating an RFID reader to identify targeted tags and background tags from among a population of RFID tags. The background tags are then monitored by reading the background tags at a background rate and the targeted tags are tracked by reading the targeted tags at an enhanced rate. The enhanced rate is significantly greater than the background rate. The tags from ...