The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2017
Filed:
Apr. 17, 2014
Applicant:
Allegro Microsystems, Llc, Worcester, MA (US);
Inventors:
Juan Manuel Cesaretti, Ciudad de Buenos Aires, AR;
Octavio Alpago, Ciudad de Buenos Aires, AR;
Alejandro G. Milesi, La Lucila Buenos Aires, AR;
Franco Noel Martin Pirchio, Ciudad de Buenos Aires, AR;
Hernan D. Romero, Buenos Aires, AR;
Bruno Luis Uberti, Ciudad de Buenos Aires, AR;
Assignee:
Allegro MicroSystems, LLC, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 35/00 (2006.01); G01R 33/07 (2006.01); G01R 33/00 (2006.01);
U.S. Cl.
CPC ...
G01R 35/005 (2013.01); G01R 33/0035 (2013.01); G01R 33/07 (2013.01); G01R 33/075 (2013.01);
Abstract
A magnetic field sensor has a reference magnetic field channel and an external magnetic field channel. The magnetic field sensor uses phase discrimination to isolate a reference-magnetic-field signal component from an external magnetic field signal component in the two channels.