Railway dark territory switch automation

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United States of America Patent

PATENT NO 9586603
SERIAL NO

14514327

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Abstract

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The system provides a railroad switch for use in un-signaled (dark) territory. In particular, the system includes a plurality of audio messages maintained on a discrete audio board, where a DTMF signal is validated, initializes the control of a switch, and triggers an audio board to report a correspondence condition, where the output of the audio board is checked by a relay status.

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Patent Owner(s)

Patent OwnerAddress
VOSSLOH SIGNALING USA INC2815 COLISEUM CENTRE DRIVE SUITE 450 CHARLOTTE NC 28217

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beaman, Donald Coy Thornton, US 12 44
Ruskauff, David Thornton, US 2 0

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