B - Operations – Transporting – 61 – L
Patent
B - Operations, Transporting
61
L
346/44
B61L 23/30 (2006.01)
Patent
CA 1260127
16 ABSTRACT OF THE DISCLOSURE A vital train direction of travel detection apparatus is provided for determining when a manual con- trolled vehicle is traveling in an undesired direction through the track circuits of a provided traffic zone in relation to a desired direction of travel of an automati- cally controlled vehicle through that traffic zone.
504087
Jeffers Franklin D.
Zwastetzky Joseph L.
Aeg Westinghouse Transportation Systems Inc.
Oldham And Company
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