PORTABLE DEVICE DETECTION

A plurality of transducers positioned at respective specified locations in a vehicle are actuated to generate a plurality of respective tones. A plurality of respective time differences are determined between times that each respective tone is generated by the respective transducer and the tone is d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VAN WIEMEERSCH, JOHN ROBERT, GREENBERG, JEFFREY ALLEN, HOLUB, PATRICK KEVIN, SIDDIQUI, ADIL NIZAM, IGNACZAK, BRAD ALAN
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A plurality of transducers positioned at respective specified locations in a vehicle are actuated to generate a plurality of respective tones. A plurality of respective time differences are determined between times that each respective tone is generated by the respective transducer and the tone is detected by a portable device. A location of the portable device is determined based at least in part on the time differences.