Patents Assigned to The United States of America as represented by the Director, National Security Agency, U.S. Government
  • Digital bridging apparatus for telephone conferencing system
    Patent number: 4342111
    Abstract: A digital bridge for a telephone conferencing circuit which provides multiple conferencing capability. Microprocessor signals to a buffered memory control switching of parallel communications data into a time division multiplexed serial stream for transmission, with the position of data within each frame of the stream being a function of the intended destination. High speed switching capability results from the buffered memory circuit which is simultaneously filled with new data as current data is utilized.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: July 27, 1982
    Assignee: The United States of America as represented by the Director, National Security Agency, U.S. Government
    Inventor: Donald G. Busson