Patents by Inventor James Herbert James

James Herbert James 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).

  • Patent number: 7899639
    Abstract: A system that incorporates teachings of the present disclosure may include, for example, an echo measurement device having a controller to transmit a test signal in a communication path which is looped back at an end point identified as having an echo problem. The test signal can be transmitted at a remote location from the end point. The test signal can be represented by a limited burst signal of one or more frequencies operating outside a range of an operating frequency of an echo canceller deactivation signal transmitted in the communication path. Additional embodiments are disclosed.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: March 1, 2011
    Assignee: AT&T Intellectual Property I, LP.
    Inventors: Wallace F. Smith, James Herbert James, David Beaumont Ramsden