B - Operations – Transporting – 61 – L
Patent
B - Operations, Transporting
61
L
346/33
B61L 27/04 (2006.01) B61L 1/18 (2006.01)
Patent
CA 1038072
ABSTRACT OF THE DISCLOSURE There is disclosed a train vehicle protection apparatus including the determination of train vehicle occupancy of a track circuit signal block, wherein a frequency tone speed code signal is provided to the sig- nal block for controlling the train vehicle speed and a vital and fail-safe determination of train vehicle occupancy of the signal block is provided.
243683
Anderson Lawrence W.
Woods David H.
LandOfFree
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