ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,847, issued on Sept. 22, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).
"Power efficient user tracking" was invented by Sathyanarayana Chary Palakonda (Northville, Mich.), Jean De Dieu Mutangana (Detroit) and Ivan Vukovic (Birmingham, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tracking approach for mobile devices is performed. Responsive to detecting, using a transceiver of the vehicle, a mobile device reaching a first distance from a vehicle, a designated UWB anchor of a plurality of UWB anchors of the vehicle is activated to perform time-of-flight (TOF) distance measurements between the vehicle and the mobile device. ...