Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Railway vehicle
Reexamination Certificate
2006-04-28
2008-12-16
Nguyen, Cuong H (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Railway vehicle
C033S287000, C033S338000, C033S532000, C104S007100, C295S022000, C246S12200A, C246S16900S
Reexamination Certificate
active
07467032
ABSTRACT:
An end of train unit includes a positioning system such as a GPS receiver and is configured to transmit a message including the EOT unit's location when the EOT unit detects a loss of air pipe pressure and/or it is tipped over and/or a low battery condition is detected. In highly preferred embodiments, the EOT unit periodically re-transmits the message until an acknowledgment message is received. In some embodiments, information from the positioning system is used to create a signal as a substitute for a motion sensor. In other embodiments, information from the positioning system is used to determine the speed of the end of the train. End of train unit tracking is also performed.
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Kane Mark Edward
Mix John D.
Shockley James Francis
DLA Piper (LLP) US
Nguyen Cuong H
Quantum Engineering Inc.
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