ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,606, issued on Sept. 15.
"Tracking a moving radio beacon" was invented by Daniel A. Katz (Kiryat Ono, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and devices are disclosed, for tracking a moving radio beacon by a mobile device, requiring no GNSS service. According to the disclosed method, the beacon is configured to periodically broadcast short RF signals, reporting its momentary acceleration, relatively to its own coordinate system, possibly different than the mobile device coordinate system, and the mobile device is configured to detect said signals, and use said acceleration report, along with other measurements of these signa...