US 11,836,569 B1
Vehicle tracking system using smart-phone as active transponder
Kelly Gravelle, Poway, CA (US); John Todd Elson, Albuquerque, NM (US); Greg Lantz, Albuquerque, NM (US); Michael Melville, Albuquerque, NM (US); and Paul Hamel, Albuquerque, NM (US)
Assigned to AMTECH SYSTEMS, LLC, Albuquerque, NM (US)
Filed by Amtech Systems, LLC, Albuquerque, NM (US)
Filed on Dec. 4, 2020, as Appl. No. 17/112,103.
Claims priority of provisional application 62/944,680, filed on Dec. 6, 2019.
Int. Cl. G08G 1/017 (2006.01); G06K 7/10 (2006.01); E01F 9/30 (2016.01); H04W 4/80 (2018.01)
CPC G06K 7/10425 (2013.01) [E01F 9/30 (2016.02); G08G 1/017 (2013.01); H04W 4/80 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A system for monitoring vehicles for tolling, comprising:
a radio frequency identification (RFID) interrogator;
a plurality of RFID antennas configured to send and receive signals via said RFID interrogator, each RFID antenna associated with a portion of a roadway;
a Bluetooth® antenna located in proximity with each of said RFID antennas;
a controller configured to transmit a Bluetooth® advertisement via one or more of said Bluetooth® antennas; and
a smart phone application configured to be executed by a smart phone located within a vehicle, wherein the smart phone is configured to receive Bluetooth® advertisements via the Bluetooth® antennas, and
wherein the smart phone application is configured to collect data from the Bluetooth® advertisements received by the smart phone and to determine a lane of travel of the vehicle.