Railway switches and signals – Cab signal or train control – Motive-power control
Patent
1974-06-21
1976-02-10
Friaglia, Leo
Railway switches and signals
Cab signal or train control
Motive-power control
104 88, 246167R, B61L 302
Patent
active
039374327
ABSTRACT:
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.
REFERENCES:
patent: 3054100 (1962-09-01), Jones
patent: 3268727 (1966-08-01), Shepard
patent: 3700886 (1972-10-01), Birkin
patent: 3736420 (1973-05-01), Elder et al.
patent: 3805056 (1974-04-01), Birkin
British Railways Board
Friaglia Leo
Mitchell David M.
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