US Patent Issued to KOHERENT on May 12 for "Method and arrangement for evaluating a distance between at least two antenna units" (Finnish Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,229, issued on May 12, was assigned to KOHERENT OY (Vantaa, Finland).

"Method and arrangement for evaluating a distance between at least two antenna units" was invented by Kari Leppanen (Helsinki) and Jussi Salmi (Haarajoki, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for evaluating a distance between at least a first antenna unit and a second antenna unit by two-way transmission of at least two signals having different circular polarizations between the antenna units. Phase information is determined and used to determine at least a first phase sum and a second phase sum, where the phase sums are further utilized in determination ...