ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,032, issued on Oct. 20, was assigned to KOHERENT OY (Vantaa, Finland).
"TX/RX antenna structure enabling accurate terrestrial positioning" was invented by Tommi Tuovinen (Tyrnava, Finland), Markus Berg (Kiiminki, Finland), Antti Hiltunen (Oulu, Finland), Kari Leppanen (Helsinki) and Turo Heikkinen (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an antenna design, which is usable in accurate position determinations. The antenna comprises a cylinder-shaped housing, a ground plane, and a single choke ring, where the choke ring and the housing are part of the same entity. A single round-shaped patch elemen...