DIGITAL TELEPHONE EQUIPMENT

PURPOSE:To restore the initial state automatically even in case of runaway of a central processing unit by providing the central processing unit of a digital telephone with a specific signal answering-back means which receives a specific signal from an exchange and reports this reception to the exch...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AGAWA MASANORI, KAMEDA TORU, FUKUSHI TOSHIO, YAMASHITA NORIO, YAMAMOTO KATSUTOSHI, OOTSUKA HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
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