US Patent 11836569 Vehicle tracking system using smart-phone as active transponder
Patent 11836569 was granted and assigned to Amtech Systems Ltd. on December, 2023 by the United States Patent and Trademark Office.
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US Patent 11836569 Vehicle tracking system using smart-phone as active transponder
Article
Patent abstract
A system combining readers for RFID transponders and Bluetooth® devices for for automated roadway tolling and monitoring is described. Because of the ubiquity of Bluetooth® devices, filtering methods are described to narrow received Bluetooth® signals to a particular monitored traffic lane and to further associate the Bluetooth® signal with a registered RFID toll tag in a vehicle. Signal strength of the Bluetooth® signal at each of a plurality of receiver antennas may be used to identify the location of the Bluetooth® device that emitted the signal.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Greg Lantz0
John Todd Elson0
Kelly Gravelle0
Michael Melville0
Paul Hamel0
Date of Patent
December 5, 2023
0Patent Application Number
171121030
Date Filed
December 4, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
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