ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,896, issued on Jan. 13, was assigned to ARCACHON HOLDINGS LLC (Clearwater, Fla.).
"System, method, and apparatus for detecting IR radiation in a marker system" was invented by Gary Leegate (Clearwater, Fla.), Marcia Baldwin (Clearwater, Fla.) and Ray Bischoff (Clarksville, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A marker system includes an enclosure with a controller therewithin. Emitters are electrically interfaced to the controller and include visible wavelength emitters and infrared wavelength emitters. The controller is configured to selectively initiate a flow of electric current though the visible wavelength emitters or through th...