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.
Method of Indicating a Railway Switch Status
2017-06-01
Patent
Electronic Resource
English
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC |
METHOD AND SYSTEM FOR INDICATING STATUS OF BUTTON SWITCH AND FUNCTION CONTROLLED THEREBY
European Patent Office | 2023
|Luminous repeating or advance-indicating railway signals
Engineering Index Backfile | 1910
Indicating device for railway traffic operation management
European Patent Office | 2020
|