Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel P. Geier0
Charles M. Fields0
John H. Flora0
Date of Patent
July 26, 2005
0Patent Application Number
104293750
Date Filed
May 5, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A guided wave electromagnetic acoustic transducer for detecting defects in moving metallic products such as rods, tubes and the like and which has coils energized by pulse of a few cycles of a high frequency alternating voltage which produces an alternating field in the product, the coils being alternately wound and connected in series and measuring dynamic acoustic stress that is a function of the radial distance from the center of the product being tested and produces a reading that is different than that showing a surface defect in the product.
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