ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,347, issued on Nov. 18, was assigned to Zebra Technologies Corp. (Lincolnshire, Ill.).
"Selectively operable radiofrequency device with partial slot antenna" was invented by Chad E. Tripp (Jacksonville, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A selectively readable RFID tag includes a partial slot antenna; an inductive loop disposed proximate to the partial slot antenna; and an electronic circuit. The electronic circuit is operatively coupled to the inductive loop to selectively respond to far-field radiofrequency communication based on a distance between the partial slot antenna and a separate conductive element."
The patent was filed ...