Train sensor unit for sensing radio communication based train, train position sensing system, and train position sensing method of the system
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United States of America Patent
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Aug 26, 2014
Grant Date -
Dec 27, 2012
app pub date -
Jun 26, 2012
filing date -
Jun 27, 2011
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Abstract
Provided is a train sensor unit for sensing a radio communication based train to transmit train sensing information to a control unit, which includes a sensor unit, a controller unit, and a communication unit. The sensor unit obtains environmental information about an environment in which the train travels. The controller unit determines whether the train is present, based on the obtained environmental information. The communication unit wirelessly transmits the train sensing information to the control unit if the train is present.
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