Patents Examined by Thomas N. Grigsby
  • Micro-calcification detection
    Patent number: 4349739
    Abstract: The detector signal in an X-ray scanning system is electronically analyzed; when the system resolves an object too small to be visualized when displayed in a standard shadowgraphic format on a cathode ray tube, a generated marker appears on the cathode ray tube display representative of the object's location and size/density.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: September 14, 1982
    Assignee: American Science and Engineering, Inc.
    Inventor: Martin Annis