Patents by Inventor Ian Llewellyn

Ian Llewellyn 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: 6871081
    Abstract: Typically it is expensive to add cable within an existing multiple dwelling units (MDUs) such as blocks of flats to provide additional services such as broadband internet access, video on demand and video telephony. The present invention provides a broadband wireless access system especially suited to MDUs. A base station modulates radio frequency carrier signals with data to be transmitted in the system, and these signals are directed along a distribution network to a plurality of antennas which provide WLANs for subscriber equipment within the MDU.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: March 22, 2005
    Assignee: Nortel Networks Limited
    Inventors: Ian Llewellyn, Mark W Tait, Simon Gale, Michael F Grant