Method and apparatus for controlling railway switches

Details Method and apparatus for controlling railway switches Method and apparatus for controlling railway switches

2005-01-03

2008-08-26

Le, Mark T (Department: 3617)

Railway switches and signals

Electric actuation

Control circuits

C246S220000, C246S253000

Reexamination Certificate

active

07416159

ABSTRACT:
A wirelessly controlled railroad switch designed for uses in a dark territory. The switch is configured to operate without the use of vital communications links to a central location, or requiring a central dispatching system or requiring a vital processor such that the wirelessly controlled railroad switch maintains its status as a railroad switch in a dark territory.

REFERENCES:
patent: 5050823 (1991-09-01), Parker
patent: 6149106 (2000-11-01), McQuistian
patent: 7075427 (2006-07-01), Pace et al.

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