ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,482, issued on June 10, was assigned to Horst Siedle GmbH & Co. KG (Furtwangen, Germany) and Leibniz-Institut Fuer Photonische Technologien e.V. (Jena, Germany).

"Magnetic system for counting rotations having increased stability against magnetic interference fields" was invented by Roland Matteis (Jena, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic system for counting revolutions is provided having increased immunity to magnetic interference fields and which can be used in a magnetic field range (B-field range) that is considerably above that customarily used according to the prior art, with the width of the magnetic window trian...