ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,641, issued on May 20, was assigned to Skydio Inc. (San Mateo, Calif.).

"Autonomous tracking based on radius" was invented by Benjamin Tankersley (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a configuration of an autonomous vehicle for autonomously following a moving subject based on a radius of a virtual sphere surrounding the autonomous vehicle. The autonomous vehicle may be an unmanned ground vehicle or an unmanned aerial vehicle, which autonomously follows the subject (e.g., a device, a live entity, or any object) based on the virtual sphere. The radius of the virtual sphere may be dynamically configured accordi...