Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peter M. Bartek0
Date of Patent
January 15, 2019
0Patent Application Number
152113900
Date Filed
July 15, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A rail warning system using wireless portable transmitters/receivers is described. The rail warning system uses a chirp spread spectrum modulation scheme, and alerts personnel in work zones on or near train tracks as well as optionally, on track equipment and train operators, of approaching trains or on track equipment. Portable wayside devices may also be positioned on the rail web, optionally magnetically, to alert work personnel, allowing for secure placement but also portability to other locations on the same track or adjacent tracks.
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