Patents by Inventor John Haberfellner

John Haberfellner 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 and apparatus for generating a video overlay
    Patent number: 6788309
    Abstract: A method and apparatus utilizes a display engine scaler to access source image that is located in memory, such as a frame buffer and also controls a second scaler, such as a front end scaler of a 2D/3D engine, which also accesses the frame buffer and is capable of scaling from a frame buffer memory and storing the scaled image back to the frame buffer.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: September 7, 2004
    Assignee: ATI International SRL
    Inventors: Philip Swan, John Haberfellner