Patents by Inventor Joseph J. Abbadessa

Joseph J. Abbadessa 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).

  • Light integrator circuit with built-in anticipation
    Patent number: 4241280
    Abstract: A quench strobe includes a light integrator circuit with an anticipation network which enables the quench to be anticipated by a predetermined time corresponding to the reaction time of the strobe quenching circuitry so as to avoid overexposure under conditions where the photographic subjects are close to the camera or under conditions of relatively high scene light reflectance.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: December 23, 1980
    Assignee: Polaroid Corporation
    Inventors: Joseph J. Abbadessa, Bruce K. Johnson