Patents by Inventor Harald Michael Walter

Harald Michael Walter 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).

  • Automatic primary reference clock switching for synchronous networks
    Patent number: 6418151
    Abstract: Automatic switching between clock sources in synchronous networks is accomplished using Synchronous Status Message transmitted over the network and a control circuit positioned between SASE (Stand Alone Synchronization Equipment) and a network element (SDH-NE, Synchronous Digital Hierarchy Network Element).
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: July 9, 2002
    Assignee: Lucent Technologies Inc.
    Inventors: Harald Michael Walter, Robert Franz Wenzel