NETWORK CONTROLLER

PURPOSE:To eliminate the need for the manual switching of telephone circuits and to enable the use of a telphone set attached to a device, by connecting a telephone circuit with preference to the telephone set when an off-hook of the telephone is detected by the 1st and 2nd off-hook detectors. CONST...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAKAKAWARA KIYOUICHI, KATOU HIROYUKI, OKADA KUNIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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