Patents by Inventor Tell Cavin

Tell Cavin 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).

  • Automatic focusing control of a video camera for industrial and military purposes
    Patent number: 5016110
    Abstract: A video camera is used for controlling the adjustment of a manipulator unit. An object is imaged by the video camera which is optimumly focused with respect to the object as a function of the mean brightness of a predetermined image from containing the image of the object. The focusing operation is carried out on the basis of obtaining an optimum value for the mean brightness of the image elements within the predetermined image frame enclosing the object image. The manipulator unit may contain an industrial robot for selectively adjusting either one of a workpiece or a tool acting upon a workpiece. Furthermore, the manipulator unit may contain a target tracking platform for tracking a target constituting the object imaged by the video camera.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: May 14, 1991
    Assignee: Oerlikon-Contraves AG
    Inventors: Albin Vuichard, Bruno Buhler, Tell Cavin