Railway switches and signals – Cab signal or train control – Speed-control systems
Patent
1976-11-10
1978-06-20
Kunin, Stephen G.
Railway switches and signals
Cab signal or train control
Speed-control systems
104149, 364436, B61L 310
Patent
active
040957640
ABSTRACT:
A spot control type automatic train stop system utilizing ground control units common to more than one block section signal. For at least one particular block section signal, one or more of the ground units positioned in a block section which precedes the particular block section signal by at least one block section is in a position in the preceding block section common to the position of the basic pattern generating ground unit for the particular block section signal. The signal transmitting system for the basic pattern generating ground unit of the particular block section signal transmits to the commonly positioned ground unit a first spot information signal when the particular block section signal is in the stop aspect and the commonly positioned ground unit is not receiving a spot information signal from a block section signal preceding the particular block section signal, so that the commonly positioned ground unit is a common ground unit for the block section in which it is located as well as for the particular block section signal. The train unit is such that it generates a basic distance-speed train braking pattern which is then cancelled and a short pattern generated which corresponds to the balance of the basic pattern at the time of cancellation thereof upon receipt of successive spot information signals from further ground units intermediate the basic pattern generating ground unit and the particular block section signal.
REFERENCES:
Yamaya, T., et al, Automatic Train Control Equipment, Toshiba Rev. (Int. Ed.) Japan, No. 52, Dec. 1970.
Nakamura Hideo
Osada Nobuhisa
Japanese National Railways
Kunin Stephen G.
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