Patents by Inventor Guy A. Deighton

Guy A. Deighton 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).

  • Variable size circular aperture camera
    Patent number: 4573779
    Abstract: Apparatus is disclosed for exposing circular patterns of light on a photosensitive surface by providing, spaced from the surface, a lengthwise variable light source focusable on the photosensitive surface and rotatable relative to the surface about an axis of rotation passing through the center of the photosensitive surface and the light source. In a modification, the axis of rotation passes through the center of the photosensitive surface and through a point radially offset from the light source.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: March 4, 1986
    Assignee: International Business Machines Corporation
    Inventors: Guy A. Deighton, Gerry W. Moore