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:
Nov. 01, 2016

Filed:

Jul. 28, 2014
Applicants:

Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;

Michelin Recherche ET Technique S.a., Granges-Paccot, CH;

Inventors:

Reza Zoughi, Wildwood, MO (US);

Mohammad Tayeb Ghasr, Rolla, MO (US);

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 27/04 (2006.01); G01R 27/32 (2006.01); G01N 22/02 (2006.01); B29D 30/00 (2006.01); G01N 22/00 (2006.01); G01R 27/28 (2006.01); G01R 27/06 (2006.01); G01M 17/02 (2006.01); G01R 31/11 (2006.01);
U.S. Cl.
CPC ...
G01N 22/02 (2013.01); B29D 30/0061 (2013.01); G01M 17/025 (2013.01); G01N 22/00 (2013.01); G01R 27/06 (2013.01); G01R 27/28 (2013.01); B29D 2030/0066 (2013.01); G01R 31/11 (2013.01);
Abstract

A method of inspection of a tire was developed using microwave imaging comprising the steps of selecting a plurality of regions from within a tire to be imaged; determining the dielectric properties of the tire components in each of the selected regions in a plurality of frequency bands; selecting a specific location on a tire to be imaged; providing a scanning platform for microwave imaging of the tire; imaging the selected location on a tire using microwave imaging at a plurality of microwave scanning frequencies and at a selected microwave polarization to obtain images of the internal state of the sample; and filtering the images to remove the effects of curvature of the selected location of the tire.


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