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:
Jun. 19, 2012
Filed:
Jun. 15, 2009
Applicants:
Yuchen Zhou, San Jose, CA (US);
Grace Gorman, San Jose, CA (US);
Inventors:
Yuchen Zhou, San Jose, CA (US);
Grace Gorman, San Jose, CA (US);
Assignee:
Headway Technologies, Inc., Milpitas, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The problem of magneto-resistive sensor drift with age has been solved by normalizing the sensor's output relative to its output when it is in a selected reproducible state. Details for the method to accomplish this normalization are disclosed together with several examples of how the method can be utilized.