Railway switches and signals – Block-signal systems – Automatic
Patent
1980-10-08
1982-11-30
Swann, III, Glen R.
Railway switches and signals
Block-signal systems
Automatic
104298, 340 47, 364436, B61L 2330
Patent
active
043613012
ABSTRACT:
A vehicle train tracking apparatus and method are provided for responding to detected occupancies and unoccupancies of each of a plurality of signal blocks of a roadway track system to establish a position or location record of the movement of each vehicle train operating with the roadway track system.
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Brodahl R. G.
Swann III Glen R.
Westinghouse Electric Corp.
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