Patents by Inventor Nader Tajbakshs

Nader Tajbakshs 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).

  • Private branch exchange built using an ATM Network
    Patent number: 6885661
    Abstract: The present invention guarantees that voice data (and other information types) will switch within a predetermined time period. Systems and methods consistent with the present invention accomplish this guarantee by, among other things, establishing permanent virtual paths between each network element, guaranteeing each voice line a slot in a packet in each frame, employing both octet switching and packet switching, synchronizing the operation of the network elements to a reference clock, and providing several levels of network redundancy.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: April 26, 2005
    Assignee: Nortel Networks Limited
    Inventors: David Ian Hopper, Greg Bernstein, Michel Khouderchah, Denny Landaveri, Du-Tuan Lam, George Irwin, Nader Tajbakshs