ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,127, issued on March 31, was assigned to Thermoteknix Systems Ltd. (Cambridge, Great Britain).
"Optical data insertion" was invented by Max Salisbury (Cambridge, Great Britain) and Richard S. Salisbury (Cambridge, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A viewer for an optical data insertion device and a combined system comprising a viewer and an optical data insertion device. The optical data insertion device comprising a projector operable to project a visible image and a light guiding device operable to direct light from the projector into the viewer. The viewer comprising an objective lens, an eyepiece lens and a diffuser s...