COMMUNICATION SYSTEM

COMMUNICATION SYSTEM

PROBLEM TO BE SOLVED: To provide a communication system capable of rapidly checking the soundness of a relay bus without complicating the system. SOLUTION: A check-frame transmission means 21 transmits two check frames complementing each other towards a communication module 3 through the relay bus 1...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KURONO MITSUHIRO, MATSUKAWA HIDEO
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a communication system capable of rapidly checking the soundness of a relay bus without complicating the system. SOLUTION: A check-frame transmission means 21 transmits two check frames complementing each other towards a communication module 3 through the relay bus 1. A detecting means 22 detects whether or not the two check frames transmitted from the communication module 3 are received correctly. A stopping means 23 stops the data output from the communication module 2 according to the detection result in the detecting means 22. COPYRIGHT: (C)2008,JPO&INPIT