US Patent Issued to BNSF Railway on Dec. 30 for "Train simulator test set and method therefor" (Missouri, Kansas Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,131, issued on Dec. 30, was assigned to BNSF Railway Co. (Fort Worth, Texas).

"Train simulator test set and method therefor" was invented by Daniel E. Pittman (Kansas City, Mo.) and Ross M. Sterling (Gardner, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A train simulator test set is disclosed that can be operably coupled to a railroad track to measure the resting impedance of that track circuit and simulate a train by varying the railroad track inductance over a set period of time. The test set can select the speed, direction, and number of trains to simulate. By applying a variable inductance on the railroad tracks, the test set can simulate...