Portable device detection

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United States of America Patent

PATENT NO RE49322
SERIAL NO

17109637

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
FORD GLOBAL TECHNOLOGIES LLCDEARBORN MICHIGAN USA DEARBORN MICHIGAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Greenberg, Jeffrey Allen Ann Arbor, US 28 589
Holub, Patrick Kevin Novi, US 25 326
Ignaczak, Brad Alan Canton, US 28 229
Siddiqui, Adil Nizam Farmington Hills, US 46 268
Van, Wiemeersch John Robert Novi, US 356 4707

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