The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 16, 2004

Filed:

Jan. 05, 2000
Applicant:
Inventor:

Michael Wolf, Mundelsheim, DE;

Assignee:

Alcatel, Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 3/06 ;
U.S. Cl.
CPC ...
H04J 3/06 ;
Abstract

A network element is provided for receiving receives message signals and reading the synchronization status messages contained therein. The network element transmits the message signals to a central network management facility which selects one of the message signals as a timing reference based on the synchronization status messages and based on stored information about the structure and configuration of the network. The network management facility then notifies the network element of the selection. The network element derives a clock signal from the selected message signal and uses this clock signal to adjust an internal clock generator. Because the network management facility also has information about parallel transmission paths, the creation of timing loops is effectively prevented.


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