Digital satellite telephone office

Multiplex communications – Wide area network – Packet switching

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Details

370 58, 370 56, 179 18AD, H04J 312, H04Q 1104

Patent

active

044173350

ABSTRACT:
A 4 KHz channel is used for communication between a processing unit associated with a satellite telephone office and a processing unit associated with a connected class 5 telephone office. A data link circuit is connected to the processing unit of the satellite office and operates to transmit data communications between the processing unit of the satellite office and the class 5 telephone office via the 4 KHz channel.

REFERENCES:
patent: 3697701 (1972-10-01), Greason
patent: 3740485 (1973-06-01), Nickerson
patent: 3787631 (1974-01-01), Lewis
patent: 3922495 (1975-11-01), Donohoe
patent: 3993873 (1976-11-01), Bogda et al.
"GTD-S Eax a Family of Digital Switches"; by Esperseth et al.; GTE Automatic Electric Journal; Sep. 1979; pp. 150-154.

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