Patents Represented by Law Firm Gowling Lafleur Henderson Toronto, Ontario Canada
  • Parametric function curve editing
    Patent number: 6154221
    Abstract: A method of and system for editing a parametric function curve initializes tangent handles at selected keys, up-dates the parametric function curve responsive to the dragging of one of the tangent handles, verifies whether the up-dated parametric function curve is monotonic, and if not monotonic, repeatedly modifies the tangent handles until the parametric function curve is monotonic.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: November 28, 2000
    Assignee: Avid Technology, Inc.
    Inventor: Michel Gangnet