Patents by Inventor Michael W Beckford

Michael W Beckford 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).

  • Fault detection method and apparatus for telephone lines
    Patent number: 7440552
    Abstract: A method and apparatus for detecting faults on a telephone line, the method comprising: comparing measured characteristics of the line with a model, said model modeling expected characteristics of the telephone line; and in response to the comparison, generating a fault alert signal if the comparison between the measured characteristics and the modeled expected characteristics differ by more than a pre-determined threshold, wherein said characteristics comprise characteristics relating to the transmission of data on the line within a plurality of predetermined frequency bands
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: October 21, 2008
    Assignee: British Telecommunications public limited company
    Inventors: Nicholas Lunt, Paul Birdsall, Michael W Beckford, Andrew D Chattel