US Patent Issued to Progress Rail Locomotive on May 26 for "Secure train communication techniques" (Pennsylvania, Florida Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,641,432, issued on May 26, was assigned to Progress Rail Locomotive Inc. (LaGrange, Ill.).

"Secure train communication techniques" was invented by John William Brand (Merritt Island, Fla.) and Evan P Sevel (Wexford, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mechanism to communicate in a secure manner between locomotives of a train consist is disclosed. Controllers on locomotives generate data packets and encode them according to one of a plurality of modulation schemes and transmit the encoded data packets according to one of a plurality of frequencies. The frequencies and/or modulation schemes used to transmit data are changed periodically by...