Patents by Inventor David Ian Hopper

David Ian Hopper 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
  • Multiple node network architecture
    Patent number: 6804229
    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: October 12, 2004
    Assignee: Nortel Networks Limited
    Inventors: Denny Landaveri, David Ian Hopper, Michel Khouderchah, Ranvir K. Chitkara
  • MULTIPLE NODE NETWORK ARCHITECTURE
    Publication number: 20030103508
    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: Application
    Filed: December 30, 1998
    Publication date: June 5, 2003
    Inventors: DENNY LANDAVERI, DAVID IAN HOPPER, MICHEL KHOUDERCHAH, RANVIR K. CHITKARA
  • Method and system for completing incomplete addressing data sent to a communication device
    Publication number: 20020173300
    Abstract: A method and system for context-based data completion is described. In one embodiment, information is inputted by a user into a wireless device (or the like), and based on specific addressing data of information provided by the user, additional data is appended to some of the data entered into the wireless device in order to facilitate communication to a separate device.
    Type: Application
    Filed: August 28, 2001
    Publication date: November 21, 2002
    Inventors: Yuri Shtivelman, David Ian Hopper