Patents by Inventor Grant A. Newland

Grant A. Newland 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).

  • Modem diagnostic and control system
    Patent number: 4385384
    Abstract: A system for diagnosing and controlling operation of a plurality of modems, some located at a central site and others at various remote sites. A processor located at the central site selectively addresses microprocessor test and control units at each modem over a secondary channel. The microprocessor test and control units respond to commands to configure and perform various modem tests, operate autonomously to monitor various alarm conditions, and format status reports and alarm maydays for transmission back to the central processor. The system is capable of performing a wide variety of testing, monitoring and network control functions for a very large network of modems.
    Type: Grant
    Filed: May 19, 1981
    Date of Patent: May 24, 1983
    Assignee: Racal Data Communications Inc.
    Inventors: Arthur H. Rosbury, Judson T. Gilbert, Donald C. O'Connor, Grant A. Newland