Universal signal generator for generating telephone system high level signals

In a telephone switching facility, line circuits are arranged in groups, each including a local ringing battery bus, and a universal high level signal generator (UHLSG) for providing ringing and other high level signals to the line circuits via the local ringing bus. Each generator is responsive to...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HAYWARD, RICHARD, BOTTRILL, JOHN, DITTBURNER, ROBERT C
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!