Patents Examined by Arleen Vazquez
  • Inspection mode switching circuit
    Patent number: 9068741
    Abstract: An eddy current probe testing apparatus structured to operate concurrently in a driver pick-up mode and said impedance mode is provided. The eddy current probe has two coils. The eddy current probe testing apparatus also includes a signal producing device, an output device, and a switch assembly. The switch assembly is structured to switch how an input signal from the signal producing device is provided to the two coils. Thus, an inspection may be performed in two modes concurrently.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: June 30, 2015
    Assignee: Westinghouse Electric Company LLC
    Inventors: Thomas W. Nenno, Warren R. Junker, Richard M. Novotny, Conrad S. Wyffels