Patent ID: 7372846
Filing Date: 2008-05-13
Classification: G06F,H04J

Abstract:
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 wherein the 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, and the reception time information and the pass-on-information are passed on, with the data packet.