Patents Represented by Attorney J. E. Griffiths

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  • Method for electronic color processing
    Patent number: 5196927
    Abstract: The present invention relates to a method for adjusting original color signal values for n colors in a color separation system and, more particularly, to a computer implemented method for adjusting the original values based on color interaction.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: March 23, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: George T. Warner
  • Parallel interpolator for high speed digital image enlargement
    Patent number: 5157517
    Abstract: Generation of new pixels and pixel values for a modified format image is achieved by employing parallel signal pipelines in a way that allows for highly efficient insertion of suitably modified interpolatd pixels adjacent to the original pixels.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: October 20, 1992
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Timothy J. Byrne, Mark A. Momcilovich