Patents by Inventor Bruce W. Bigby

Bruce W. Bigby 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).

  • Apparatus and method for determining the page description language in which a print job is written
    Patent number: 5402527
    Abstract: There is provided a printing system for producing prints from a print job written in one of a plurality of page description languages with the print job assuming the form of a print job stream. The printing system includes a plurality of page description language analyzing units for sampling the print job stream, each analyzing unit outputting an information signal which provides information regarding the print job stream. A filter, which receives the information signals, processes the information signals and outputs a filtered signal which indicates the page description language in which the print job is written.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: March 28, 1995
    Assignee: Xerox Corporation
    Inventors: Bruce W. Bigby, Mark D. O'Brien, Edward E. Brindle