Patents by Inventor Subhashini Kaligotia

Subhashini Kaligotia 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).

  • Connection protection between clients and optical cross-connect switches
    Patent number: 6882765
    Abstract: The present invention provides methods, apparatus and systems for protecting connections between optical cross-connect switches and client equipment. A connection failure is detected, signaled, and a switch made by the client equipment and the optical cross-connect switch to a protection connection between them so as to minimize service interruption. An out-of-band channel or an in-band channel can be used to signal the connection failure.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: April 19, 2005
    Assignee: XROS, Inc.
    Inventors: Kent Erickson, Subhashini Kaligotia, Rajiv Ramaswami