Vehicle train tracking apparatus and method
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United States of America Patent
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-
Nov 30, 1982
Grant Date -
N/A
app pub date -
Oct 8, 1980
filing date -
Oct 8, 1980
priority date (Note) -
Expired
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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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