Patents by Inventor Robert Zeleznik

Robert Zeleznik 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).

  • Mathematical sketching
    Publication number: 20060001667
    Abstract: A mathematical sketching system enables a user to intuitively investigate the relationship between mathematical expressions and diagrams in a user-friendly manner. In one embodiment, a mathematical sketching system enables a user to input handwritten mathematical expressions and hand-drawn drawing elements, form associations between the mathematical expressions and the drawing elements, and view an animation of the drawing elements as their movements are displayed based on the mathematical expressions.
    Type: Application
    Filed: June 29, 2005
    Publication date: January 5, 2006
    Applicant: Brown University
    Inventors: Joseph LaViola, Robert Zeleznik
  • Electronic ink system
    Publication number: 20060001656
    Abstract: In a system that enables a user to gesturally input electronic ink on an input surface, a method of inputting a gesture command distinguishable from other marks includes inputting gesture command sequences on an input surface. In some embodiments, the gesture sequence includes forming a terminal gesture mark to instruct the system to perform an action.
    Type: Application
    Filed: July 5, 2005
    Publication date: January 5, 2006
    Inventors: Joseph LaViola, Robert Zeleznik, Timothy Miller, Loring Holden