Cab signalling system utilizing coded track circuit signals

Details Cab signalling system utilizing coded track circuit signals Cab signalling system utilizing coded track circuit signals

1992-02-13

1993-11-23

Bartuska, F. J.

Railway switches and signals

Block-signal systems

Automatic

246167R, 246194, B61L 324

Patent

active

052636704

ABSTRACT:
A railway vehicle cab signalling system providing electrical signals to operate an aspect display unit or the like located on-board a railway vehicle based upon the track circuit signals typically used to operate wayside indicators. A sensor detects the track circuit current as it passes through at least one wheel and axle set on the vehicle. A processor receives an output signal from the sensor and produces a signal to operate the aspect display unit.

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"Track Circuit Fundamentals" by Crawford E. Staples, pp. 2 and 3.
Union Switch & Signal Inc., "Railway Signal Equipment" Bulletin 416 formerly designated at RSE-15A1.

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