INFORMATION TRANSFER SYSTEM

PURPOSE:To improve the efficiency of channel lines, by eliminating the need for the split use of the channel lines at each type of telephone set, through the change in combination of a multiplex frequency signal of a contact code or transmission code corresponding to outgoing telephone set type info...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KAMISAKA KIYUUICHI, KOYAMA MINORU, IZUMI NATSUKI, HAMADA YASUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY SELECTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!