IMPROVEMENTS IN OR RELATING TO COMMUNICATION SYSTEMS

1,218,581. Automatic exchange systems; multiplex pulse code signalling. WESTERN ELECTRIC CO. Inc. 4 April, 1968 [6 April, 1967; 9 Oct., 1967], No. 16240/68. Headings H4K and H4L. In a TDM communication system utilizing delta modulation, the duration of each frame (exchange cycle) is proportional to...

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Bibliographische Detailangaben

Hauptverfasser:	DAVID ARTHUR HARMS, BERNARD THOMAS MURPHY
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY SELECTING TRANSMISSION
Online-Zugang:	Volltext bestellen
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