COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

A communication device is provided that readily increases the communication capacity of communication data based on a given protocol, without increasing the number of wired connections. The communication device sends and receives communication data through a communication line. A transmitting sectio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOTOU HIDEKI, IIYAMA SHINICHI, YASUDA TAKASHI, TAKAHASHI KEIGO, SHIBATA TSUTAYUKI
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A communication device is provided that readily increases the communication capacity of communication data based on a given protocol, without increasing the number of wired connections. The communication device sends and receives communication data through a communication line. A transmitting section sends a communication signal of modulated communication data to the communication line. A receiving section demodulates a communication signal received from the communication line to obtain communication data The transmitting section modulates the communication data on the basis of a frequency that varies dynamically within a predetermined transmission frequency band. The receiving section demodulates the received modulated communication signal corresponding to the transmission frequency band, to obtain the communication data.