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. 15, 2020
Filed:
Aug. 09, 2016
Applicant:
The Technology Partnership Plc, Cambridge, GB;
Inventor:
Martin Orrell, Cambridge, GB;
Assignee:
THE TECHNOLOGY PARTNERSHIP PLC, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/90 (2006.01); G01N 27/02 (2006.01);
U.S. Cl.
CPC ...
G01N 27/9046 (2013.01); G01N 27/025 (2013.01); G01N 27/902 (2013.01); G01N 27/9033 (2013.01);
Abstract
A method of inspecting a material comprising: producing at least one eddy current excitation in a material under test; sensing said at least one eddy current excitation in the material under test; wherein the method comprises using a low cross-correlation coded spread spectrum to produce said at least one eddy current excitation, and using a correlation technique to make a determination of amplitude and phase of the sensed eddy current excitation; wherein the method further comprises using the determination to make an assessment of the material under test.