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Distributed real-time communications system

  • US 6,009,457 A
  • Filed: 04/22/1996
  • Issued: 12/28/1999
  • Est. Priority Date: 04/01/1996
  • Status: Expired due to Fees
First Claim
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1. A method for synchronising data from a plurality of sources over a client-server network comprising the steps of:

  • sending a first start command from the server to a first client to start a local clock at said first client;

    sending a continuous stream of data from said first client to said server;

    sending a further start command from the server to a plurality of further clients to start a local clock in each of said further clients, said further start command being delayed with respect to said first start command;

    sending a sequence of data from each of said plurality of further clients to said server;

    sending said continuous data stream from said server to each of said plurality of further clients;

    re-synchronising said received continuous data stream at each of said plurality of further clients;

    sending the data sequences from said server to each of said plurality of further clients and to said first client;

    wherein said step of sending either includes or excludes sending a given data sequence back to a respective further client from which it was sent;

    re-synchronising the received data sequences at each of said clients to the local clock; and

    repeating the received and locally generated data sequences at each of said clients a plurality of times.

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