Patent
Railcar location using mutter networks and locomotive transmitter during transit
TLDR
In this article, a method of tracking railcars in transit using global positioning techniques involves determining the location of a railcar by using a Global Positioning System (GPS) receiver and a satellite transceiver on board the locomotive, and a local area network of railcar tracking units.Abstract:
A method of tracking railcars in transit using global positioning techniques involves determining the location of a railcar by using a Global Positioning System (GPS) receiver and a satellite transceiver on board the locomotive, and a local area network of railcar tracking units. Instead of computing the GPS solution independently and transmitting it to a central station, the railcar tracking units transmit their unique identifications (IDs) to one of the tracking units in the local area network acting as an administrator tracking unit. The administrator tracking unit maintains a list of IDs and periodically transmits the list of IDs to the locomotive. The locomotive locates itself using the GPS system and periodically transmits its position and velocity to the central station.read more
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Configurable system for alerting caregivers
Williams F. Collins,James Maurice Allen,Keith A. Huster,Carl W. Riley,Patricia Anne Glidewell,Irvin J. Vanderpohl,Richard J. Schuman,Christopher A. Mathura +7 more
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References
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Patent
Integrated cargo security system
Mark L. Denekamp,Marwan Hannon +1 more
TL;DR: In this article, an integrated cargo transportation security system is provided for a fleet of enclosed cargo transportation containers, which includes a subsystem including a door sensor for sensing access door opening and closure, a module unit including a connecting frame for a removable module and cabling leading to the door sensor.
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