Patents by Inventor Donald E. Rogness

Donald E. Rogness 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).

  • Signal transformation apparatus
    Patent number: 4456989
    Abstract: A system employing packet switching techniques wherein time delays are reduced sufficiently to permit data and voice signals to be processed interchangeably in a common communications system wherein TDM signals are transformed into packet signals and packet signals are transformed into TDM signals, both transformations taking place with suitably minimized delays.
    Type: Grant
    Filed: August 5, 1982
    Date of Patent: June 26, 1984
    Inventors: Alfred O. Johnson, Donald E. Rogness, George W. White