Patents by Inventor Guy L. Johnston

Guy L. Johnston 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).

  • Print optimization mechanism
    Publication number: 20100053665
    Abstract: A method is disclosed. The method includes receiving a print file, removing images from the print file, replacing each image with a reference to the image, storing each image removed from the print file; and printing the print file. Each image is retrieved from storage to be printed upon encountering a reference to the image during printing of the print file.
    Type: Application
    Filed: August 28, 2008
    Publication date: March 4, 2010
    Inventors: Stephen Goddard Price, Guy L. Johnston, Edward Chatcavage, Ronald D. Parrish, Reinhard Heinrich Hohensee, Arthur R. Roberts, Nenad Rijavec
  • Method, data structure and apparatus for identifying resources prior to printing
    Patent number: 6992785
    Abstract: A data structure, document data stream, method and apparatus for identifying resources prior to printing. A print data stream structure is provided that can be specified at the beginning of a document or job, or on any page boundary in a document or job, and that identifies complex resources that are required by the pages that follow. This structure is processed by a print server, which uses the resource references to download any missing resources before printing of the following pages is started. Accordingly, print underruns are avoided by ensuring that complex resources are downloaded to the printer before the first page is initiated.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: January 31, 2006
    Assignee: International Business Machines Corporation
    Inventors: Edward F. Chatcavage, Reinhard H. Hohensee, Guy L. Johnston, Ronald D. Parrish, Arthur R. Roberts