Patents by Inventor Glenn Wellbrook

Glenn Wellbrook 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).

  • Optical cross-connect (OXC) network connectivity
    Patent number: 6400477
    Abstract: An optical network includes a first optical cross-connect with a plurality of input ports and a plurality of output ports and a plurality of working channel optical transmitters and a second optical cross-connect with a plurality of input ports and a plurality of output ports and a plurality of working channel optical receivers. The first and second optical cross-connects are interconnected by a primary route and a secondary route. The network includes a protection channel optical transmitter and a protection channel optical receiver. The protection channel transmitter and receiver are adapted to transmit and receive signals in the event of a working channel transmitter or receiver failure.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: June 4, 2002
    Assignee: WorldCom, Inc.
    Inventor: Glenn Wellbrook