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:
Oct. 03, 2017
Filed:
Feb. 20, 2015
Applicant:
Allegro Microsystems, Llc, Worcester, MA (US);
Inventors:
Michael Chen, Bedford, NH (US);
Eric Burdette, Newmarket, NH (US);
Devon Fernandez, Londonderry, NH (US);
Steven E. Snyder, New Boston, NH (US);
Jacob Harer, Nashua, NH (US);
Assignee:
Allegro MicroSystems, LLC, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 33/00 (2006.01); G01R 33/07 (2006.01); G01R 33/09 (2006.01); G01D 5/14 (2006.01); G01D 5/244 (2006.01);
U.S. Cl.
CPC ...
G01R 33/0029 (2013.01); G01D 5/147 (2013.01); G01D 5/2448 (2013.01); G01R 33/07 (2013.01); G01R 33/09 (2013.01);
Abstract
A magnetic field sensor uses upper and lower thresholds. The upper and lower thresholds are limited such that they have a minimum separation distance between equivalent voltage levels of the upper and lower thresholds.