ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,657, issued on June 24, was assigned to FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Munich).

"Device, method for controlling the same, and device group or swarm" was invented by Jan Behling (Dortmund, Germany), Mathias Rotgeri (Dortmund, Germany), Jan Soren Emmerich (Dortmund, Germany), Dirk Honing (Dortmund, Germany), Patrick Klokowski (Dortmund, Germany), Christian Hammermeister (Dortmund, Germany) and Michael Ten Hompel (Dortmund, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes an optical sensing unit configured to sense an object so as to obtain a picture of the object. The device includes a dri...