专利内容由知识产权出版社提供
专利名称：PORTABLE DEVICE DETECTION
发明人：PATRICK KEVIN HOLUB,JOHN ROBERT VAN
WIEMEERSCH,ADIL NIZAM
SIDDIQUI,JEFFREY ALLEN GREENBERG,BRADALAN IGNACZAK
申请号：US15757000申请日：20151016
公开号：US20190149950A1公开日：20190516
专利附图：
摘要：A plurality of transducers positioned at respective specified locations in a
vehicle are actuated to generate a plurality of respective tones. A plurality of respectivetime differences are determined between times that each respective tone is generatedby the respective transducer and the tone is detected by a portable device. A location ofthe portable device is determined based at least in part on the time differences.
申请人：Ford Global Technologies, LLC
地址：Dearborn MI US
国籍：US
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