US Fed News Service, Including US State News

US Patent Issued to SIEMENS INDUSTRY on March 22 for "Real-Time Graphical Display of Ladder Logic for Railroad Equipment" (Georgia Inventor)

ALEXANDRIA, Va., April 1 -- United States Patent no. 9,290,193, issued on March 22, was assigned to SIEMENS INDUSTRY INC. (Alpharetta, Ga.).

"Real-time graphical display of ladder logic for railroad equipment" was invented by Siemens Industry, Inc. (Alpharetta, Ga.).

According to the abstract* released by the U.

S. Patent & Trademark Office: "A method and system for graphically displaying real-time system logic used for troubleshooting railroad equipment such as e.g., a grade crossing predictor. The method and system graphically display ladder logic equations used to formulate a system status output, allowing a technician or other personnel to quickly determine the cause of an anomaly reflected in the output. …

Log in to your account to read this article – and millions more.