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.

Date of Patent:
Feb. 16, 2021

Filed:

Nov. 29, 2017
Applicant:

Allegro Microsystems, Llc, Worcester, MA (US);

Inventors:

Rémy Lassalle-Balier, Bures sur Yvette, FR;

Jeffrey Eagen, Manchester, NH (US);

Paul A. David, Bow, NH (US);

Assignee:

Allegro MicroSystems, LLC, Manchester, NH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/319 (2006.01); G01R 33/09 (2006.01); G01D 5/14 (2006.01); G01D 18/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/31901 (2013.01); G01D 5/145 (2013.01); G01D 18/00 (2013.01); G01R 33/09 (2013.01); G01R 33/093 (2013.01);
Abstract

A method of determining an error condition in a magnetic field sensor can include receiving a first bridge signal, the first bridge signal generated by a first full bridge circuit. The method can also include receiving a second bridge signal, the second bridge signal generated by a second full bridge circuit. The method can also include determining a bridge separation from the first bridge signal and the second bridge signal. The method can also include comparing a function of the bridge separation to a threshold value. The method can also include generating an error signal indicative of the error condition or not indicative of the error condition in response to the comparing.


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