Method and apparatus for the time synchronization in a data...

Details Method and apparatus for the time synchronization in a data... Method and apparatus for the time synchronization in a data...

2006-10-10

2006-10-10

To, Doris H. (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S507000

Reexamination Certificate

active

07120170

ABSTRACT:
A common clock shared by two or more nodes within a network used for time-synchronization. The nodes communicate via a packetized data transmission. Each data packet has a header with a value. The clock includes a first timing portion that includes at least two data packets where the value is constant for each data packet, and a second timing portion that includes at least two data packets where the value is constant for each data packet but different from the value of the data packets in the first timing portion. Alternatively, the clock includes a first timing portion that includes at least two data packets where the value changes with each data packet, and one or more subsequent timing portions each including at least two data packets where the value is constant for each data packet within a subsequent timing portion but changes with each of the subsequent timing portions.

REFERENCES:
patent: 5726989 (1998-03-01), Dokic
patent: 6243395 (2001-06-01), Fujimori et al.
patent: 6246701 (2001-06-01), Slattery
patent: 2002/0001351 (2002-01-01), Morimoto et al.

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