ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,219, issued on Sept. 29, was assigned to Focal Point Positioning Ltd. (Cambridge, Great Britain).

"Method and system for calibrating a system parameter" was invented by Ramsey Faragher (Cambridge, Great Britain), Nicolas Couronneau (Cambridge, Great Britain) and Robert Mark Crockett (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for performing in a positioning, navigation, tracking, frequency-measuring, or timing system is provided. The method comprises: providing first and second estimates of at least one system parameter during a first time period, wherein the at least one system parameter has a true value and/o...