Patents by Inventor John S. H. Lake

John S. H. Lake has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Non-contact determination of the position of a rectilinear feature of an article
    Patent number: 5033096
    Abstract: A high resolution CCD video camera (6) is positioned and aligned with respect to an illuminated article (7) so that a straight edge of the article, or a straight line junction between a bright zone and a dark zone of its surface, crosses the field of view of the camera in a direction substantially parallel to the rows of the camera's orthogonal array of rows and columns of light responsive elements, to divide that field of view into bright and dark zones. A frame store and digitizer (9) converts the individual signals generated by the elements into digital grey values.
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: July 16, 1991
    Assignee: John Lysaght (Australia) Limited
    Inventors: Bruce R. Morrison, John S. H. Lake