ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,737,573, issued on Sept. 15, was assigned to Logistics and Supply Chain MultiTech R&D Centre Ltd. (Pok Fu Lam, Hong Kong).
"RFID antenna, RFID tag and RFID system" was invented by Jing Jung Tang (Pok Fu Lam, Hong Kong), Leung Chiu (Pok Fu Lam, Hong Kong) and Xiao Sheng Chen (Pok Fu Lam, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an antenna for a radio frequency identification (RFID) tag, which includes a loop antenna, an amplifying antenna, an additional antenna structure to modify impedance of the entire antenna. The additional antenna structure has a first electromagnetic coupling with the amplifying antenna and a seco...