US Patent Issued to Amtech Systems on Nov. 25 for "Vehicle tracking system using smart-phone as active transponder" (California, New Mexico Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,870, issued on Nov. 25, was assigned to Amtech Systems LLC (Albuquerque, N.M.).

"Vehicle tracking system using smart-phone as active transponder" was invented by Kelly Gravelle (Poway, Calif.), John Todd Elson (Albuquerque, N.M.), Greg Lantz (Albuquerque, N.M.), Michael Melville (Albuquerque, N.M.) and Paul Hamel (Albuquerque, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for tracking vehicle position using a smart phone in the vehicle as an active transponder, which is detected by roadside equipment is disclosed. In an embodiment, the system uses existing RF transceivers on the smart-phone, such as Bluetooth LE or WiFi to periodicall...