Railway switches and signals – Block-signal systems – Automatic
Patent
1974-09-26
1976-07-06
Wood, Jr., M. Henson
Railway switches and signals
Block-signal systems
Automatic
246182R, 246187B, B61L 2110
Patent
active
039678016
ABSTRACT:
This invention relates to a signal system for high speed vehicles traveling along a predetermined way. In the system vehicles are controlled from the wayside through the use of incremental signals automatically provided to the vehicles as a function of vehicle passage and relative vehicle position. In addition central control is provided for such a system to allow for superimposing on the automatic wayside signal equipment a programmable speed control which allows for simultaneous provision of safe vehicle speed while establishing constant, acceleration or deceleration control over any vehicle in the system.
REFERENCES:
patent: 3395274 (1968-07-01), Baughman
patent: 3395275 (1968-07-01), Baughman
patent: 3401259 (1968-09-01), Baughman
patent: 3501629 (1970-03-01), Aiken
patent: 3593022 (1971-07-01), Hoyler
Eisenzopf Reinhard J.
Wood, Jr. M. Henson
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