TELEPHONE EXCHANGER

PURPOSE:To sufficiently fulfill the function of a microcomputer of an exchange, by providing a means of broadcast only for specific subscribers registrated in advance among a plurality of subscribers, and inhibiting indefinite subscribers from broadcasting at their disposal. CONSTITUTION:The 1st-Mth...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ISHIZAKI JIYUNYA, KUNIDA TSUTOMU, MATSUI TAROU
Format:	Patent
Sprache:	eng
Schlagworte:	BROADCAST COMMUNICATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY SELECTING TELEPHONIC COMMUNICATION
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