Closed-loop telecommunication system

Multiplex communications – Wide area network – Packet switching

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Details

370 89, H04J 312

Patent

active

042778433

ABSTRACT:
This closed loop multiplex communication system uses a timing unit to establish a general multiplex format consisting of 1024 frames in a multiframe. Each subscriber station transmits one message bit per frame (i.e. 1024 message bits per multiframe), but transmits only 32 signalling bits per multiframe (i.e. the eight-bit non-message blocks in four corresponding frames).

REFERENCES:
patent: 3529089 (1970-09-01), Davis et al.
patent: 3544976 (1970-12-01), Collins
patent: 3586782 (1971-06-01), Thomas
patent: 3588365 (1971-06-01), McNeilly et al.
patent: 3600518 (1971-08-01), McNeilly et al.
patent: 3689699 (1972-09-01), Brenig et al.

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