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United States of America Patent
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Mar 2, 2017
app pub date -
Nov 12, 2014
filing date -
Jul 2, 2014
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Abstract
An operation state acquisition unit 101 acquires the position of a train on a track. A determination unit 102 determines whether the train is traveling as scheduled by comparing the position of the train on the track with the target position of the train on the track if traveled in accordance with the operation schedule. A presentation mode selection unit 103 selects a presentation mode indicating a positional relationship between the train and the target on the track according to a state of being late, early or on time in accordance with the determination result of the determination unit 102. The display unit 104 displays in a representation mode selected by the presentation mode selection unit 103.
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