ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,784, issued on March 31, was assigned to BNSF Railway Co. (Fort Worth, Texas).
"System and method for a virtual approach signal" was invented by Scott D. Sapp (Smithville, Mo.), Mitchell W. Beard (Shawnee, Kan.) and Michael E. Ramolt (Shawnee, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for providing virtual approach signaling between physical signaling components. The system and method can generate virtual approach signal indicators to increase an efficiency along a segment of track. The system can provide a signal for the locomotive to increase the speed at which the locomotive can travel along the segment of track bas...