Train control
AssigneeBritish Railways Board
InventorMichael S. Birkin
Life of this patent
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AssigneeBritish Railways Board
InventorMichael S. Birkin
Estimating the term…
This invention relates to a vehicle control system in which a vehicle travels along a fixed trackway, the trackway having one or more divergent portions at which it divides into two or more alternative routes. A plurality of transponders or beacons are positioned adjacent the trackside in advance of each of the divergent portions to pass information to control equipment on the vehicle relating to the running characteristics of one of the alternative routes. A directional radio transmitter is positioned adjacent the divergent portions to transmit information to a receiver linked to the control equipment carried by the vehicle to enable the control equipment to identify the particular transponder or beacon relating to the route to be followed at the divergent portion and to act upon the appropriate information passed from that transponder or beacon.
A vehicle control system, wherein said vehicle travels along a single, first trackway, defining a first route, which thereafter diverges to form a plurality of second trackways, defining a plurality of alternate routes, comprising;
Dependencies are inferred from the claim text.