Patents by Inventor William J. Steele

William J. Steele 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).

  • Contour fitting pictorial tracking gate
    Patent number: 4053929
    Abstract: The tracker tracks on a center of contrast on a selected target while trang gates are adjusted automatically to fit the target contrast area's shape and size. The appropriate bright or dark contrast detector is adjusted to allow discrimination of the target contrast from its background, thus allowing a tracking window to encompass the selected contrast area. Orthogonal error signals are provided for servoing a vidicon camera to maintain the viewed field centered on the target.
    Type: Grant
    Filed: April 7, 1969
    Date of Patent: October 11, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Robert H. Collins, III, William J. Steele, Albert L. Thomas, Jr.