Patents by Inventor Brad D. Tidwell

Brad 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).

  • System and method to backup communication occurring across a plurality of subscriber lines
    Patent number: 7577088
    Abstract: A communication system comprises a plurality of transceivers and logic. A first transceiver is configured to communicate via a first subscriber line with a transceiver located at a remote premises. A second transceiver is configured to communicate via a second subscriber line with a transceiver located at the remote premises, and a third transceiver is configured to communicate via a third subscriber line with a transceiver located at the remote premises. The logic is configured to switch communication from the first transceiver to the third transceiver in response to a detection of a communication problem associated with the first subscriber line. The logic is further configured to switch communication from the second transceiver to the third transceiver in response to a detection of a communication problem associated with the second subscriber line.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: August 18, 2009
    Assignee: Adtran, Inc.
    Inventors: Brad D. Tidwell, Jamie S. Kelly, John B. Bartell
  • System and method to backup communication occurring across a plurality of subscriber lines
    Publication number: 20040146004
    Abstract: A communication system comprises a plurality of transceivers and logic. A first transceiver is configured to communicate via a first subscriber line with a transceiver located at a remote premises. A second transceiver is configured to communicate via a second subscriber line with a transceiver located at the remote premises, and a third transceiver is configured to communicate via a third subscriber line with a transceiver located at the remote premises. The logic is configured to switch communication from the first transceiver to the third transceiver in response to a detection of a communication problem associated with the first subscriber line. The logic is further configured to switch communication from the second transceiver to the third transceiver in response to a detection of a communication problem associated with the second subscriber line.
    Type: Application
    Filed: January 16, 2004
    Publication date: July 29, 2004
    Inventors: Brad D. Tidwell, Jamie S. Kelly, John B. Bartell