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Method for transmitting time information via a data packet network

  • US 7,372,846 B2
  • Filed: 06/07/2002
  • Issued: 05/13/2008
  • Est. Priority Date: 06/07/2001
  • Status: Expired due to Fees
First Claim
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1. A method for transmitting time information via a data packet network, comprising:

  • calling time information from a time information source;

    sending the time information to a data packet transmission module which times transmission of data packets;

    transmitting the time information from a first communications device to a second communications device via a data packet;

    using a transmission signal to coordinate transmission of the data packet and calling of the time information with respect to one another, the transmission signal indicating the time of transmission; and

    generating a reception signal when a data packet receiving module at the second communications device receives the data packet transmitted via the data packet network, the reception signal initiating a call for reception time information from a time information source in the second communications device whereinthe second communications device passes on the data packet to a third communications device,pass-on-information indicates the time at which the data packet is passed on to the third communications device, andthe reception time information and the pass-on-information are passed on, with the data packet.

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