Vehicle train tracking apparatus and method
First Claim
1. In apparatus for tracking the movement of a train including at least one vehicle along a roadway track including a plurality of signal blocks, the combination offirst means for determining an occupancy of each signal block by said train,second means for determining an unoccupancy of each signal block by said train, andthird means responsive to each said occupancy and to each said unoccupancy for establishing a record of the position of said train in relation to each of said signal blocks of the roadway track.
4 Assignments
0 Petitions
Accused Products
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.
72 Citations
25 Claims
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1. In apparatus for tracking the movement of a train including at least one vehicle along a roadway track including a plurality of signal blocks, the combination of
first means for determining an occupancy of each signal block by said train, second means for determining an unoccupancy of each signal block by said train, and third means responsive to each said occupancy and to each said unoccupancy for establishing a record of the position of said train in relation to each of said signal blocks of the roadway track.
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15. The method of tracking the movement of a vehicle along a roadway track including a plurality of signal blocks, the steps of
detecting an occupancy of any signal block by said vehicle, detecting an unoccupancy of any signal block by said vehicle and establishing in response to each said occupancy and to each said unoccupancy a position record in accordance with the movement of said vehicle in relation to each of said signal blocks of the roadway track.
Specification