POSITION MANAGEMENT SYSTEM

PROBLEM TO BE SOLVED: To attain reduction of cost by reducing the number of communication devices to be installed adaptively to a non-contact storage medium as a position management system for managing a position management target by using the non-contact storage medium.SOLUTION: The position manage...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YOSHIZAWA HISASHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SELECTING WIRELESS COMMUNICATIONS NETWORKS
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