Railway switches and signals – Miscellaneous – Signals and indicators
Reexamination Certificate
2005-07-22
2008-12-02
Le, Mark T (Department: 3617)
Railway switches and signals
Miscellaneous
Signals and indicators
C246S00100C, C246S47300R, C701S019000, C340S933000
Reexamination Certificate
active
07458545
ABSTRACT:
A model train system is provided, comprising a command originator, layout objects, and a communication link. The communication link may be established through the use of magnetic induction coils/transceivers placed at the ends of each layout object. Commands sent by a user via a remote base to the command originator are forwarded to the subsequent layout objects. For addressing, a command index is incremented by each layout object, until it matches the position number of the layout object. Examples of such commands are opening/closing couples which physically connect cars, turning on/off lights, and producing bell and whistle sounds.
REFERENCES:
patent: 5174216 (1992-12-01), Miller et al.
patent: 5777547 (1998-07-01), Waldrop
patent: 6655640 (2003-12-01), Wolf et al.
Kovach, II Louis G.
Ricks John T.
Ricks Mark E.
Young Neil
Le Mark T
Liontech Trains LLC
O'Melveny & Myers LLP
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