ALEXANDRIA, Va., June 24 -- Allegro MicroSystems, Worcester, Massachusetts, has been assigned a patent (9,684,042) developed by Aurelian Diaconu, Londonderry, New Hampshire, for a "magnetic field sensor with improved accuracy and method of obtaining improved accuracy with a magnetic field sensor."

The patent application was filed on Feb. 27, 2015 (14/633,190). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1& . . .