Patents by Inventor Thomas J. Joyner

Thomas J. Joyner 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).

  • Packet and circuit switched communication network method and apparatus
    Patent number: 6385179
    Abstract: A communication system (100) having packet and circuit switched networks (102 and 101) provides connection between at least a first and a second end users by establishing a call connection via a radio access network (105), establishing a control channel associated the call connection between radio access network (105) and packet switched network (102) through a first packet switched connection, selecting one of packet and circuit switched networks (101 and 102) for establishing a traffic channel associated with the call connection, and routing the traffic channel through said selected network while maintaining the control channel through packet switched network (102).
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: May 7, 2002
    Assignee: Motorola, Inc.
    Inventors: Richard J. Malcolm, Daniel F. Tell, Thomas J. Joyner, William S. Pierce