Patents by Inventor David J. Forthoffer

David J. Forthoffer 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).

  • Color rendering dictionary for testing color conversion
    Patent number: 6930790
    Abstract: A method and apparatus, including a computer program product, implementing techniques for testing a printing system by using a color-managed output system. The techniques include providing a page having one or more test colors, specifying a range of acceptable standard color values in a standard color space for each test color, redefining in the output system a mapping from the standard color space to an output system color space, and printing the page from the printing system to the output system.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: August 16, 2005
    Assignee: Adobe Systems Incorporated
    Inventor: David J. Forthoffer