Patents Represented by Attorney Darrell Brekke
  • Patent number: 4101961
    Abstract: A real-time contour detector and data acquisition system for an angiographic apparatus having a video scanner for converting an X-ray image of a structure characterized by a change in brightness level compared with its surrounding into video format and displaying the X-ray image in recurring video fields.
    Type: Grant
    Filed: February 16, 1977
    Date of Patent: July 18, 1978
    Inventors: James C. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Fletcher, Johan H. C. Reiber