Patents by Inventor Stephen J. Bespalko

Stephen J. Bespalko 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).

  • Method of encoding and line breaking text
    Patent number: 5625773
    Abstract: This invention is a method of representing the text in a document in a way that enables very fast text processing on digital computers. More specifically, each word of text is represented as a number (or token) that refers to an information packet describing the word's characteristics. Operations then process each token, rather than each character, to perform text processing functions. In addition to the compact nature of this representation, the performance of virtually all functions in a WYSIWYG editor which are dependent on line-breaking speed are improved.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: April 29, 1997
    Assignee: Xerox Corporation
    Inventors: Stephen J. Bespalko, John Monahan
  • Token editor architecture
    Patent number: 5224038
    Abstract: A method of representing the text in a document in a way that enables very fast text processing on digital computers. More specifically, each word of text is represented as a number (or token) that refers to an information packet describing the word's characteristics. Operations then process each token, rather than each character, to perform text processing functions. In addition to the compact nature of this representation, the performance of virtually all functions in a WYSIWYG editor are improved. In particular, determining line breaks and displaying text are significantly faster when the text is processed a token at a time rather than a character at a time.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: June 29, 1993
    Assignee: Xerox Corporation
    Inventor: Stephen J. Bespalko