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. 02, 2021
Filed:
Nov. 20, 2018
Applicant:
Tdk—micronas Gmbh, Freiburg, DE;
Inventor:
David Muthers, Denzlingen, DE;
Assignee:
TDK—Micronas GmbH, Freiburg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/14 (2006.01); G01D 3/02 (2006.01);
U.S. Cl.
CPC ...
G01D 5/145 (2013.01); G01D 3/02 (2013.01);
Abstract
A device and method for the processing of a measurement signal of a magnetic field B(φ) is described. The device comprises a permanent magnet having two or four poles, an odd number of magnetic field sensors that are arranged in a plane below the magnets, and a signal processing unit, which is adapted to detect the values of the odd number of magnetic field sensors, to filter the fundamental frequency of the magnetic field out of the detected values of the lateral magnetic field sensors in order to calculate the value of the rotation angle from the fundamental frequency.