TIME SYNCHRONIZATION SYSTEM, TIME MASTER, MANAGEMENT MASTER, AND TIME SYNCHRONIZATION METHOD

A time synchronization system includes time masters and a management master. The management master includes a management master priority requester that transmits to each time master a priority request frame and a management master highest priority processor that transmits, to a time master holding a...

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Hauptverfasser:	YAMAGUCHI, Tomohisa, KAJINO, Atsushi
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A time synchronization system includes time masters and a management master. The management master includes a management master priority requester that transmits to each time master a priority request frame and a management master highest priority processor that transmits, to a time master holding a priority that is the highest among priorities of the time masters, a highest priority notification frame for changing the priority to the highest priority. Each of the time masters includes a time master priority responder that transmits to the management master a priority response frame after receiving the priority request frame from the management master (and a time master highest priority processor that changes the priority thereof to the highest priority when the highest priority notification frame is received from the management master. The grandmaster transmits, to each time master, a time notification frame for synchronization of a time of the time master.