System and associated methodology for proximity detection and device association using ultrasound

In one embodiment, a method includes receiving ultrasound frequency sweeps in a sound receiving device. Each of the plurality of ultrasound frequency sweeps is centered on one of at least two predetermined frequencies. The method also includes converting the ultrasound frequency sweeps into an ultra...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Nielsen Johan Ludvig, Eriksen Dan Peder, Barth Ragnvald, Huseby Sverre
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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