Railway switches and signals – Miscellaneous – Signals and indicators
Reexamination Certificate
2005-04-12
2005-04-12
Le, Mark T. (Department: 3617)
Railway switches and signals
Miscellaneous
Signals and indicators
C701S019000
Reexamination Certificate
active
06877699
ABSTRACT:
A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second client program to the resident external controlling interface through a second communications transport. The first command and the second command are received by the resident external controlling interface which queues the first and second commands. The resident external controlling interface sends third and fourth commands representative of the first and second commands, respectively, to a digital command station for execution on the digitally controlled model railroad.
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Chernoff Vilhauer McClung & Stenzel LLP
Le Mark T.
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