ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,138, issued on June 17, was assigned to Rockwell Collins Inc. (Cedar Rapids, Iowa).

"Spatial awareness navigation techniques on unmanned aerial vehicles (spatial awareness)" was invented by Anthony D. Schaefer (Marion, Iowa), Tj T. Kwon (Marion, Iowa) and James Kleveland (Marion, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system may include a transmitter node and a receiver node. Each node may include a communications interface including at least one antenna element and a controller operatively coupled to the communications interface, the controller including one or more processors, wherein the controller has information of own node veloc...