Patents by Inventor Michael Warwick Chipman

Michael Warwick Chipman 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).

  • Efficient rendering of page descriptions
    Patent number: 7978196
    Abstract: A method (600) is disclosed of generating a representation of a page (1500) to be rendered to a raster image (1600) of pixels. The page (1500) comprises one or more graphical objects (1520 and 1530), arranged in a rendering order. Each the object (1520 and 1530) comprises one or more object edges and an associated fill. The method (600) comprises decomposing the objects (1520 and 1530) into a plurality of fillmap edges (1750, 1755, 1760, 1765, and 1770) defining disjoint regions (1710, 1720, 1730, 1740, and 1780) of the page. The method (600) further comprises setting a reference from at least one fillmap edge (1750, 1755, 1760, 1765, and 1770) to a sequence comprising a plurality of fills to be composited to generate the values for all pixels within the defined region (1710, 1720, 1730, 1740, and 1780).
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: July 12, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ian Geoffrey Combes, Edward James Iskenderian, Vincent Groarke, Joseph Leigh Belbin, Michael Warwick Chipman