ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,198, issued on Oct. 20, was assigned to Transportation IP Holdings LLC (Norwalk, Conn.).
"System and method for inferring vehicle route switch status" was invented by Rebecca Wilson Dreasher (Longmont, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and a method for inferring status of switches positioned along a route traveled by a vehicle system are recited. A switch indicator is to emit a first signal in response to each of the switches being in its alignment configuration. The first signal emitted from the switch indicator is received in response to the vehicle system traveling toward the switch indicator before arriving at an outm...