Patents by Inventor Nancy L. Herald

Nancy L. Herald 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).

  • Patent number: 6840597
    Abstract: A method and apparatus for calibrating color in an inkjet printing system initiates a calibration procedure by instructing an inkjet printer to print a color calibration sample. From the color calibration sample, an analysis is performed to select a color calibration based on the sample. Based on the characteristics of the selected color calibration, the color of the inkjet printer is calibrated.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: January 11, 2005
    Assignee: Hewlett-Packard Company
    Inventors: Karsten N. Wilson, Nancy L. Herald, John M Skene