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:
Sep. 23, 2014
Filed:
Feb. 17, 2011
Applicants:
Steven K. Brady, Renton, WA (US);
Donald D. Palmer, Jr., Ballwin, MO (US);
Jeffrey R. Kollgaard, Seattle, WA (US);
Inventors:
Steven K. Brady, Renton, WA (US);
Donald D. Palmer, Jr., Ballwin, MO (US);
Jeffrey R. Kollgaard, Seattle, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/82 (2006.01); G01N 27/90 (2006.01); G01N 27/72 (2006.01); G01R 33/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A probe for detecting distortions in a material includes a probe body, a ferrite core in the probe body, an excitation coil encircling the ferrite core and adapted to generate eddy currents, further magnetic shielding surrounding the excitation coil, and at least one giant magnetoresistive (GMR) sensor disposed in magnetic field-communicating relationship with the excitation coil and off-center with respect to the excitation coil's axis.