Wireless communication system and wireless communication apparatus
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United States of America Patent
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Oct 15, 2019
Grant Date -
Oct 26, 2017
app pub date -
Jul 6, 2017
filing date -
Jan 9, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A wireless communication system includes a first tag installed on a ground outside a track for a running train, the first tag being driven by wirelessly received power, a second tag installed outside a side face of the train and above the first tag, the side face extending in a running direction, the second tag being driven by wirelessly received power, a wireless communicator which is installed in the train and performs wireless communication with the first tag and the second tag, and an antenna which is installed in the train and has a gain in directions of the first tag and the second tag.
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