Patents by Inventor Alan L. Johns

Alan L. Johns 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 for providing cellular telephone service during cluster testing
    Patent number: 6879811
    Abstract: A cellular telephone system provides coverage during cluster testing in which a new mobile switching center (MSC) that is to replace an old MSC is cut into the cellular telephone system for testing. A trunk group is built between the old MSC and the MSC. In addition, a signaling link is built between the old MSC and the new MSC. The new MSC is also assigned a unique point code to differentiate the new MSC from the old MSC during testing. In addition, the new MSC is provided with a new range of temporary local dialing numbers (TLDNs) for use during cluster testing.
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: April 12, 2005
    Assignee: BellSouth Intellectual Property Corp.
    Inventors: Charles E. Carter, Jr., Alan L. Johns