Patents by Inventor David Matas

David Matas 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).

  • Method and devices for providing protection in packet switched communications networks
    Patent number: 7693151
    Abstract: A method and devices using that method are provided for reconstructing an encoded signal conveyed along a communication path in a packet switched network. The method comprises the steps of providing a communication signal that has been encoded into a plurality of frames; determining which of the plurality of frames is an essential frame, which loss would cause a relatively substantial deterioration in the quality of at least one proceeding frame upon decoding that at least one proceeding frame; packaging the plurality of frames into a plurality of packets, and identifying which of the packets comprise at least one essential frame; adding protecting information to at least one packet which proceeds a packet identified as a packet carrying at least one essential frame.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: April 6, 2010
    Assignee: Veraz Networks Ltd.
    Inventors: Amir Ilan, Meir Agassy, Joseph Shapiro, David Matas
  • Method And Devices For Providing Protection In Packet Switched Communication Networks
    Publication number: 20080130678
    Abstract: A method and devices using that method are provided for reconstructing an encoded signal conveyed along a communication path in a packet switched network. The method comprises the steps of providing a communication signal that has been encoded into a plurality of frames; determining which of the plurality of frames is an essential frame, which loss would cause a relatively substantial deterioration in the quality of at least one proceeding frame upon decoding that at least one proceeding frame; packaging the plurality of frames into a plurality of packets, and identifying which of the packets comprise at least one essential frame; adding protecting information to at least one packet which proceeds a packet identified as a packet carrying at least one essential frame.
    Type: Application
    Filed: November 1, 2005
    Publication date: June 5, 2008
    Applicant: VERAZ NETWORKS LTD.
    Inventors: Amir Ilan, Meir Agassy, Joseph Shapiro, David Matas