ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,221, issued on Oct. 27, was assigned to Archer Aviation Inc. (San Jose, Calif.).

"System for determining the position of an autonomous or automated aircraft during its approach to a landing site" was invented by Andrejs Litvins (Wessling, Germany) and Eduardo Martin (Wessling, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for determining a position of an autonomous or automated aircraft during its approach to a landing site comprises: a ground-based visual landing aid having a radiating surface, which radiates light in the form of light cones arranged discretely in a two-dimensional grid, wherein a navigation light is formed by a p...