Railway switches and signals – Train dispatching – Central signal control
Reexamination Certificate
2007-06-25
2010-06-08
Le, Mark T (Department: 3617)
Railway switches and signals
Train dispatching
Central signal control
C246S16700M, C246S004000, C246S005000, C246S006000, C701S019000
Reexamination Certificate
active
07731129
ABSTRACT:
Methods and systems for communicating with a vehicle are provided. The method includes providing a plurality of wayside control units controlling an area along a guideway to be traveled by the vehicle, the plurality of wayside control units including a database of fixed data defining an operational profile of the guideway in a local area of an associated wayside control unit. The method also includes monitoring dynamic data in the local area of the associated wayside control unit wherein the dynamic data includes at least one of guideway availability and signal status information and transmitting wirelessly an authority message including at least one of the fixed data and the dynamic data from the associated wayside unit to a receiver on board the vehicle, the authority message dynamic data being valid for a selectable one of a plurality of time periods.
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Burnett Warren
Humphrey Stephen Harold
Stull Craig Alan
Zimmerman John
Armstrong Teasdale LLP
General Electric Company
Kramer, Esq. John A.
Le Mark T
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