| 摘要 |
1469510 Train control BRITISH RAILWAYS BOARD 7 June 1974 [21 June 1973] 29572/73 Heading B7N A train control arrangement at a position where railway track 2 diverges into branches 2A-2C comprises a number of transponders 3A-3C disposed along the track in advance of the position each providing speed, &c., information relating to one of the branches and a transmitter 5 at the divering position which is coupled to route setting apparatus and transmits a signal indicating the branch set for an approaching train whereby a receiver 4 on the train controls train interrogator apparatus to respond only to the information received from the transponder associated with the set branch. |
