ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,166, issued on June 30, was assigned to SICK AG (Waldkirch, Germany).

"Antenna for an RFID reading device with polarization switching" was invented by Florian Pudenz (Waldkirch, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna for an RFID reading device is provided, wherein the antenna has an antenna element having four feed points and has a feed network that is configured to selectively connect an input signal to the feed points such that the antenna is operated with a circular polarization or a linear polarization. In this respect, the feed network has a switch arrangement in which different switch states are settable, with the fe...