Control expansion for conventionally powered model railroads

Details Control expansion for conventionally powered model railroads Control expansion for conventionally powered model railroads

2005-12-21

2009-06-23

Le, Mark T (Department: 3617)

Railway switches and signals

Miscellaneous

Signals and indicators

C246S003000, C246S18700R, C701S002000, C701S019000

Reexamination Certificate

active

07549610

ABSTRACT:
A method and apparatus is shown to allow expanded control capability of digital locomotives on model railroad layouts that also permit compatible speed and direction operation simultaneously for non-digital or conventional locomotives alongside. The improvements employ mixed-mode control encoding and decoding algorithms and methods that are expanded beyond the prior art for control mode changes used on model railroad layouts.

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