ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,609, issued on Dec. 2, was assigned to VOLVO TRUCK Corp. (Gothenburg, Sweden).

"Control unit and method therein for operating an autonomous vehicle" was invented by Stefan Bergquist (Gothenburg, Sweden), Linus Hagvall (Gothenburg, Sweden) and Christian Grante (Vastra Frolunda, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method performed by a control unit for operating an autonomous vehicle is provided. The control unit is arranged to communicate via at least one antenna. The control unit obtains, based on a signal from the at least one antenna, information relating to at least one geographical zone associated with a transponder as the aut...