Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frank Passarelli, Jr.0
Date of Patent
October 4, 2005
0Patent Application Number
104373630
Date Filed
May 12, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The disclosed invention mounts transmitting and receiving electrical coils within channels or chambers formed by the notched ends of magnets closest to the metallic object under test where the magnets are arranged to form substantially annular arrays of an electromagnetic acoustic transducer pair applicable in non-destructive testing. The detection, preferably by tuned coils, of one or more electromagnetically-induced resonant frequencies at shifted locations indicates the presence of one or more flaws in the metallic structure under test.
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