Patents by Inventor Leland Frank Derbenwick

Leland Frank Derbenwick 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).

  • Method of auditing cross-connections related to concatenated signals in a synchronous optical network
    Patent number: 6262975
    Abstract: A facility is provided for use in a communications network node to monitor the way in which particular signals are transported over the network and block those signals which are not being transported correctly. The facility is particularly useful for ensuring that a concatenated signal in a SONET transport system is transported correctly over contiguous channels.
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: July 17, 2001
    Assignee: Lucent Technologies Inc.
    Inventors: Leland Frank Derbenwick, Ravichandran R. Iyer