ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,408, issued on July 21, was assigned to NOVANTA Corp. (Bedford, Mass.).
"Position encoder based on halbach magnetic element" was invented by Paul A. Remillard (Littleton, Mass.) and Deepak Surendran (Wilmington, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A Halbach-based magnetic position sensor includes a Halbach magnetic element having a spatially rotating magnetization pattern along an extent, producing a focused and augmented magnetic field on a working side relative to a magnetic field on a non-working side. A sensing element on the working side is co-configured with the Halbach magnetic element for relative motion therebetween. The se...