US Patent Issued to AVID Identification Systems on March 4 for "Variable-Q antenna coil circuit for RFID applications" (California Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,364, issued on March 4, was assigned to AVID Identification Systems Inc. (Norco, Calif.).

"Variable-Q antenna coil circuit for RFID applications" was invented by Gui-Yang Lu (Upland, Calif.) and Peter Troesch (Laguna Niguel, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passive radio frequency identification (RFID) reader is configured to dynamically vary the Q factor of its resonant antenna coil circuit in order to optimize its performance under different conditions. This RFID reader suitably provides optimal performance for both transponder reading and transponder writing operations, rather than being designed for optimal performance for...