ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,480, issued on July 14.

"Optical tracking system and marker for optical tracking system" was invented by Stjepan Cajic (Bosnia, Bosnia and Herzegovina).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical tracking system comprising a main camera, an optical tracking camera, a light source, and one or more markers that are configured to engage an LED wall without impeding the light generated by the LED wall so that the optical tracking camera can identify its own location in three dimensional space, and by extrapolation, the location in three dimensional space of the main camera."

The patent was filed on Dec. 22, 2021, under Application No. 18/2...