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...

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Bibliographic Details
Main Authors Siddiqui, Adil Nizam, Holub, Patrick Kevin, Ignaczak, Brad Alan, Greenberg, Jeffrey Allen, Van Wiemeersch, John Robert
Format Patent
LanguageEnglish
Published 04.08.2020
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary: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.
Bibliography:Application Number: US201515757000