ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,717, issued on July 8, was assigned to ZEBRA TECHNOLOGIES Corp. (Lincolnshire, Ill.).
"Capacitance-based humidity and gas sensing RFID tags" was invented by Brian S. Huffman (Belle Mead, N.J.), Deniz Boyu (Dover, N.J.), Thi N. Do (West Orange, N.J.) and Mohannad Abdo (Clifton, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An RFID tag system includes an antenna, an integrated circuit electrically connected to the antenna, and a humidity or gas indicator being electrically connected to the antenna and the integrated circuit. The humidity or gas indicator includes a first electrode, a second electrode, a dielectric material, and a gap between the ...