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. 10, 2004
Filed:
Mar. 25, 2002
Applicant:
Inventors:
Assignee:
Allegro Microsystems, Inc., Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 7/30 ; G01P 3/48 ; G01P 3/489 ;
U.S. Cl.
CPC ...
G01B 7/30 ; G01P 3/48 ; G01P 3/489 ;
Abstract
A sensor includes a Hall cell and a compensation circuit for subtracting a magnet background field from the Hall cell output to provide a signal corresponding to rotations of a toothed ferrous gear.
Vig, Ravi. (2004). Magnetic gear tooth sensor with hall cell detector (U.S. Patent No. 6690155). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6690155
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile