Patents Assigned to PT Papertech, Inc
  • Patent number: 8325225
    Abstract: The present invention relates to a method and apparatus for a web inspection system. In one embodiment, the present invention is a web inspection system including a web moving unit moving a web of material, a camera positioned adjacent the web moving unit, the camera configured to be in an image capture state or a non-image-capture state, a first illumination system positioned adjacent the web moving unit, the first illumination system constantly illuminating the web of material, a second illumination system positioned adjacent the web moving unit, the second illumination system illuminating the web of material only when the camera is in the image capture state, and a control unit connected to the camera, the first illumination system, and the second illumination system.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: December 4, 2012
    Assignee: PT Papertech, Inc
    Inventors: Michael J. Brenneman, Richard T. Eagle, Kari K. Hilden, Dave Narasimhan