Patents by Inventor Rangaswamy Ramachandran

Rangaswamy Ramachandran 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: 6853647
    Abstract: A telecommunication system for providing a remote access connection having a bandwidth of 128 Kbps or 144 Kbps to any location (homes, small businesses, etc.) connected to a central office by a local loop, and higher bandwidth for some locations. The 128 Kbps or 144 Kbps is provided using ISDN Digital Subscriber Loop (IDSL) technology and higher bandwidth using other DSL technologies such as ADSL. Using shared equipment and transmission facilities, the present invention enables the high-speed remote access connections to be provided in a cost effective manner.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: February 8, 2005
    Assignee: Covad Communications Group, Inc.
    Inventors: Richard Alvan Rawson, John Charles Reilly, Rangaswamy Ramachandran
  • Patent number: 6028867
    Abstract: A telecommunication system for providing a remote access connection having a bandwidth of 128 Kbps or 144 Kbps to any location (homes, small businesses, etc.) connected to a central office by a local loop, and higher bandwidth for some locations. The 128 Kbps or 144 Kbps is provided using ISDN Digital Subscriber Loop (IDSL) technology and higher bandwidth using other DSL technologies such as ADSL. Using shared equipment and transmission facilities, the present invention enables the high-speed remote access connections to be provided in a cost effective manner.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: February 22, 2000
    Assignee: Covad Communications Group, Inc.
    Inventors: Richard Alvan Rawson, John Charles Reilly, Rangaswamy Ramachandran