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US 2017/0151968 A1Published application
Method of Indicating a Railway Switch Status
AssigneeVossloh Signaling USA, Inc.
InventorsDavid Ruskauff, Donald Coy Beaman
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Abstract
Disclosed herein is a method for indicating a status of a railroad switch used in un-signaled (dark) territory utilizing vital audio messages. In one embodiment, the method comprises receiving a DTMF signal from a railway vehicle, initializing control of the switch, and triggering the reporting of a correspondence condition through vital relays or other electronic components.
Claims8
A method of indicating a status of a railroad switch in dark territory comprising:
- receiving a signal from a railway vehicle,
- wherein the signal indicates a desired position for the railroad switch;
- identifying an occupancy status of the railway vehicle,
- wherein the occupancy status identifies whether the railway vehicle is present in a portion of track through the use of a track detection circuit comprising the portion of the track,
- identifying a current position of the switch;
- generating a message on at least one audio board of a plurality of discrete audio boards,
- wherein each audio board of the plurality of discrete audio boards contains a unique message;
- and
- transmitting the message from only one audio board of the plurality of audio boards to the railway vehicle,
- wherein the transmitting audio board is capable of transmitting based on the occupancy status of the railway vehicle and the position of the switch.
7 more elements
Dependencies are inferred from the claim text.