Concentrator-deconcentrator devices

Details Concentrator-deconcentrator devices Concentrator-deconcentrator devices

1980-04-21

1983-12-13

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

370 58, 370 66, H04Q 1104

Patent

active

044208324

ABSTRACT:
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.

REFERENCES:
patent: 3492430 (1970-01-01), Vigliante
patent: 3760103 (1973-09-01), Condon
patent: 4093827 (1978-06-01), Charransol et al.

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