Patents by Inventor David R. Dwin

David R. Dwin 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).

  • Device for scaling real-time image frames in multi-media workstations
    Patent number: 5517612
    Abstract: An adapter for use in a multi-media workstation includes a device which accepts real-time video information at a first size, reduces the size to a selected one of a plurality of available sizes and places the reduced real-time video information into a selected area of the video memory of a computer graphic display device. Thereafter, the scaled real-time video information is displayed with other computer graphics applications, in a sub-window of the screen of the display device.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: May 14, 1996
    Assignee: International Business Machines Corporation
    Inventors: David R. Dwin, William R. Lee, David W. Nuechterlein, Joseph M. Pennisi, Paul S. Yosim