ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,054, issued on Nov. 25, was assigned to Telecom Italia S.p.A. (Milan).

"Method and system for estimating an occupancy level of a geographic area" was invented by Andrea Benedetto (Turin, Italy), Roberto Lanzo (Turin, Italy), Simone Piacco (Turin, Italy) and Andrea Schiavoni (Turin, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for estimating an occupancy level of a geographic area includes transmitting first signals to and receiving second signals from bodies within the geographic area by backscattering of the first signals. The bodies include first bodies permanently within the geographic area and second bodies temporarily within th...