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:
Jun. 04, 2019

Filed:

Feb. 19, 2016
Applicants:

Analog Devices Global, Hamilton, BM;

Sensitec Gmbh, Lahnau, DE;

Inventors:

Gavin Patrick Cosgrave, Enniscorthy, IE;

Jochen Schmitt, Biedenkopf, DE;

Dermot G. O'Keeffe, Blarney, IE;

Assignees:

Analog Devices Global, Hamilton, BM;

Sensitec GmbH, Lahnau, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/16 (2006.01); G01D 5/244 (2006.01); G01D 5/14 (2006.01);
U.S. Cl.
CPC ...
G01D 5/24461 (2013.01); G01D 5/145 (2013.01);
Abstract

Sensor error detection with an additional channel is disclosed herein. First and second magnetic sensing elements can be disposed at angles relative to each other. In some embodiments, the first and second magnetic sensing elements can be magnetoresistive sensing elements, such as anisotropic magnetoresistance (AMR) sensing elements. Sensor data from first and second channels, respectively, having the first and second sensing elements, can be obtained. Third channel can receive a signal from the first sensing element and a signal from the second sensing element, and sensor data from the third channel can be obtained. Expected third channel data can be determined and compared to the obtained third channel data to indicate error.


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