ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,305, issued on Oct. 28, was assigned to Siemens AG (Munich).
"Projection distribution of magnetic field sensors for measuring a magnetic field of a conductor of an electric current" was invented by Roland Weiss (Erlangen, Germany), Florian Zapf (Bayer, Germany) and Karl Fleisch (Erlangen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of the teachings herein include an apparatus for measuring a magnetic field of a conductor of an electric current. The apparatus may include three magnetic field sensors arranged on a circumference of a non-circular ellipse defined by parallel projection or orthogonal projection of a circle....