NETWORK SYSTEM, PORTABLE TERMINAL DEVICE, AND METHOD FOR SPECIFYING DEVICE

A reception electric field intensity or a transmission delay time in wireless communication between each of multiple apparatuses connected to one and the same network and a portable terminal device is measured (Step S101). Degrees of nearness, where a degree of nearness indicates a nearness between...

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Bibliographische Detailangaben
Hauptverfasser: HIBARA NAOYUKI, KOIZUMI YOSHIAKI
Format: Patent
Sprache:eng ; fre ; ger
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