TRAIN REGISTRY OVERLAY SYSTEM

摘要

A train registry system is overlaid upon an existing automatic train protection system and operates simultaneously with the automatic train protection syste m to collect redundant information that may be utilized in the event that the automatic train protection system computer and backup computer must be restarted or in the event a vehicle no longer communicates with the automatic train protection system computer. The train registry is comprised of a plurality of transponders mounted upon train vehicles and transponder readers mounted at wayside locations to extract information from vehicles and forwar d the information to the wayside computer.