Patents by Inventor Bradley D. Tidwell

Bradley D. Tidwell 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).

  • Line card-sourced ESF framing protection switch FDL signaling
    Patent number: 7203159
    Abstract: A back-up channel line card-installed ESF framing mechanism independently sources an FDL signaling channel for the transport of protection switch signaling information, taking advantage of the fact that DSL multiplexer equipment is capable of accepting and processing ESF framed digital data, including embedded FDL-based signaling information. Upon completion of transport of the FDL-based signaling information, the back-up channel is used for data transport in place of a faulty channel.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: April 10, 2007
    Assignee: Adtran, Inc.
    Inventors: Dennis B. McMahan, Bradley D. Tidwell
  • Line card-sourced ESF framing protection switch FDL signaling
    Publication number: 20030227868
    Abstract: A back-up channel line card-installed ESF framing mechanism independently sources an FDL signaling channel for the transport of protection switch signaling information, taking advantage of the fact that DSL multiplexer equipment is capable of accepting and processing ESF framed digital data, including embedded FDL-based signaling information. Upon completion of transport of the FDL-based signaling information, the back-up channel is used for data transport in place of a faulty channel.
    Type: Application
    Filed: June 11, 2002
    Publication date: December 11, 2003
    Applicant: ADTRAN, INC.
    Inventors: Dennis B. McMahan, Bradley D. Tidwell