Method and device for checking the synchronization between...

Electrical computers and digital processing systems: support – Synchronization of clock or timing signals – data – or pulses

Reexamination Certificate

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C713S400000, C713S500000, C713S502000, C713S503000, C713S600000, C370S241000, C370S304000, C370S324000, C370S350000, C370S503000, C709S248000, C709S241000, C375S293000, C375S354000, C375S355000, C375S356000, C375S362000

Reexamination Certificate

active

06880097

ABSTRACT:
The invention concerns a method of checking the synchronization between at least two nodes Ni−1, Ni, with i=1, . . . , n in a network, each of said nodes having respectively an internal clock having a respective clock frequency Fi−1, Fi, wherein said method includes the following steps:a) transmitting the frequency Fi−1 of the internal clock from the node Ni−1 to the node Ni,b) comparing the frequency Fi−1 of the internal clock of the node Ni−1 transmitted to the node Ni with the frequency Fi of the internal clock of said node Ni,c) checking the synchronization between the nodes Ni−1 and Ni using the result of the comparison between the frequencies Fi−1 and Fi.

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Ernst, W., “Digitalsignale Im Richtigen Takt Synchronisation Digitaler Kommunikationsnetze”, Telcom Report, DE, Siemens AG. Munchen, vol. 12, No. 5, pp. 150-153, Sep. 1, 1989.

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