Patents by Inventor David C. Allard

David C. Allard 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).

  • System for processing monochrome and full-color digital image data
    Patent number: 7295341
    Abstract: In a system for processing full-color image data, such as within a digital color printer or copier, a four-channel architecture is used. Three of the channels handle image data relating to primary color planes, such as CMY. In the other channel, values relating to the K value which goes with the CMY values for each pixel alternate with a B value, suitable for pure monochrome rendering of the pixel in the image. When it is desired to print or display the image in monochrome, the B values are isolated from the K values.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: November 13, 2007
    Assignee: Xerox Corporation
    Inventors: Ramesh Nagarajan, Francis K. Tse, Clara Cuciurean-Zapan, John C. Guarrera, Jr., David C. Allard, Joseph P. Taillie
  • System for processing monochrome and full-color digital image data
    Publication number: 20040109182
    Abstract: In a system for processing full-color image data, such as within a digital color printer or copier, a four-channel architecture is used. Three of the channels handle image data relating to primary color planes, such as CMY. In the other channel, values relating to the K value which goes with the CMY values for each pixel alternate with a B value, suitable for pure monochrome rendering of the pixel in the image. When it is desired to print or display the image in monochrome, the B values are isolated from the K values.
    Type: Application
    Filed: December 9, 2002
    Publication date: June 10, 2004
    Applicant: Xerox Corporation
    Inventors: Ramesh Nagarajan, Francis K. Tse, Clara Cuciurean-Zapan, John C. Guarrera, David C. Allard, Joseph P. Taillie