Method and apparatus for controlling railway switches
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United States of America Patent
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Aug 26, 2008
Grant Date -
Jul 7, 2005
app pub date -
Jan 3, 2005
filing date -
Jan 2, 2004
priority date (Note) -
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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.
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