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US 10,292,230 B2Granted
System and method for controlling a wayside device
AssigneeAlstom Transport Technologies
InventorsWilliam David Shields, Forrest Henry Ballinger, Jeffrey Michael Fries, Larry John Anderson, Wayne Nelson Wheeler
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Abstract
A system includes at least one signal light having at least one lamp. The system further includes a control device electrically connected to the at least one lamp by a conductive cable. The at least one lamp is configured to flash in response to the loss of an audio signal generated by the control device.
Claims10
A system comprising:
- a signal light including at least one lamp;
- a conductive cable concurrently carrying a power signal and an audio signal to an electronic control circuit of the lamp;
- and
- a control device electrically connected to the electronic control circuit by the conductive cable, the control device arranged to hold off the at least one lamp from flashing by transmitting the audio signal to the at least one lamp;
- wherein the at least one lamp is configured to flash in response to the loss of the audio signal generated by the control device.
2 more elements
Dependencies are inferred from the claim text.