Patents by Inventor Donald R. Dunning

Donald R. Dunning 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).

  • Distributed data processing system
    Patent number: 4145739
    Abstract: A distributed data processing system having a magnetic disk and a master disk control and communication control unit; a slave work station unit having a keyboard for the input of data and a cathode ray tube display screen for the display of input data; and a slave output printer. The work station display is a CRT screen which can display 24 lines each of 80 characters, or a total of 1920 characters. The keyboard is similar to that of a standard electric typewriter with the addition of special instruction keys and keys for moving a cursor symbol on the screen. Optionally, other slave peripheral devices, such as a telecommunications link, a line printer, or a paper tape punch, may be provided. All slave units of the system are connected to the master unit by coaxial cables.Access to the disk for data reads and writes is under control of the master unit.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: March 20, 1979
    Assignee: Wang Laboratories, Inc.
    Inventors: Donald R. Dunning, Harold S. Koplow, David Moros, An Wang, A. Edward Wild, Jr.