ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,301, issued on March 17, was assigned to Infineon Technologies AG (Neubiberg, Germany).
"Annular device formation" was invented by Jens Pohl (Bernhardswald, Germany), Michael Huber (Nittendorf/Undorf, Germany), Walther Pachler (Graz, Austria) and Stephan Rampetzreiter (Graz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna structure for a contactless wearable structure having a plurality of antenna tracks on the substrate, the opposite ends of which are connectable to form an antenna when the substrate is bent, a plurality of capacitor elements on the substrate that are couplable to the antenna for adjusting the resonance frequency...