Positional information transmission system, positional information transmitter, and positional information transmitting method

A novel positional information transmission system includes a plurality of positional information transmission units. The positional information transmission unit includes a close-range wireless communication unit that performs close-range wireless communication and a sonic wave transmission unit th...

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Bibliographische Detailangaben

Hauptverfasser:	Shinotsuka, Michiaki, Kawase, Tsutomu
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSMISSION
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