An automatic eddy current inspection system for discrimination of defects in elongated parts made of conducting materials comprises an alternating current generator connected in series to an amplitude selector via a differential encircling eddy-current transducer and a detector. The amplitude selector...http://www.google.fr/patents/US4209744?utm_source=gb-gplus-shareBrevet US4209744 - Eddy current device for automatically testing the quality of elongated electrically conductive objects by non-destructive techniques
Eddy current device for automatically testing the quality of elongated ...
