ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,469, issued on May 26, was assigned to Allegro MicroSystems LLC (Manchester, N.H.).

"Magnetic field speed sensor output signal protocol" was invented by Sarkis Dono (Ulm, Germany) and Syed Bilal Ali (Heidelberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic field speed sensor includes one or more magnetic field sensing elements to generate a magnetic field signal indicative of a magnetic field associated with a moveable target and a controller to generate a controller output signal including a plurality of output words, each including a speed pulse and a plurality of data pulses capable of having four different amplitudes. The tim...