ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,200, issued on April 29, was assigned to Archaius Inc. (Durham, N.C.).
"Self-locating compass" was invented by Frederick Vosburgh (Durham, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and apparatuses for a self-locating compass for use in navigation are disclosed. The self-locating compass is operable to provide position and/or velocity without information from a global positioning system (GPS) device. The self-locating compass includes a direction finder and a Lorentz force detector. The method includes determining orientation with respect to Earth's magnetic field, measuring a Lorentz force proportional to rate of change of...