Train communication system

Details Train communication system Train communication system

1987-06-08

1990-06-12

Oberley, Alvin

Railway switches and signals

Block-signal systems

Automatic

246187B, 246 34C, B61L 302

Patent

active

049326147

ABSTRACT:
A communication system for a railway train has a proving circuit for proving conditions of the railway track ahead of the train. The proving circuit comprises a transponder associated with at least one rail of the track to form a rail circuit therewith. The response of the transponder to an interrogater on the train is dependent upon the condition of the rail circuit.

REFERENCES:
patent: 3246141 (1966-04-01), Ehrlick
patent: 3805056 (1974-04-01), Birkin
patent: 4075632 (1978-02-01), Baldwin

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