Concentrator-deconcentrator devices

Concentrator-deconcentrator devices

Concentrator-deconcentrator devices for time-division telephone systems, based on the use of symmetrical time-division arrays arranged in terminal modules comprising subscriber and line connecting units to be served and in central modules which provide the connections between these equipments and th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SALLE, JACQUES E, RATHIER, GILBERT J. M, JOSSIF, JEAN A. M, VALES, JEAN-PIERRE
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
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Beschreibung
Zusammenfassung:Concentrator-deconcentrator devices for time-division telephone systems, based on the use of symmetrical time-division arrays arranged in terminal modules comprising subscriber and line connecting units to be served and in central modules which provide the connections between these equipments and the exchange to which the device is connected by ensuring variable concentration and improved security. The device is intended for PCM time-division telephone systems.