Railway track circuits

Details Railway track circuits Railway track circuits

B - Operations, Transporting

61

L

B61L 21/06 (2006.01) B61L 1/18 (2006.01) B61L 23/16 (2006.01)

Patent

CA 2116911

- 11 - ABSTRACT RAILWAY TRACK CIRCUITS This invention relates to railway track circuits. An active track circuit termination unit 4 is connected to the rails and, by means of transmitter unit 4a, transmits signals into the rails to terminate track circuits A,B. The transmitter unit also transmit data signals, for example track circuit signals, into the track circuits. This system allows greater flexibility than do prior passive track circuit termination systems.

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