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:
Feb. 26, 2019
Filed:
May. 01, 2012
Applicants:
Ryan Metivier, Nashua, NH (US);
William P. Taylor, Amherst, NH (US);
Inventors:
Ryan Metivier, Nashua, NH (US);
William P. Taylor, Amherst, NH (US);
Assignee:
ALLEGRO MICROSYSTEMS, LLC, Manchester, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/30 (2006.01);
U.S. Cl.
CPC ...
G01B 7/30 (2013.01);
Abstract
Methods and apparatus for a magnetic sensor including an elliptical magnet to generate substantially circular concentric zones of similar flux density in a plane over and parallel to a surface of the magnet. The sensor can include a sensing element disposed a selected distance from the magnet and a substrate containing circuitry to process a signal from the sensing element to provide a sensor output.