Buffer storage assignment arrangement for time-division switchin

Details Buffer storage assignment arrangement for time-division switchin Buffer storage assignment arrangement for time-division switchin

1977-05-16

1978-12-26

Olms, Douglas W.

179 15AT, H04J 302

Patent

active

041317629

ABSTRACT:
A time-division switching system having a space-division network with a plurality of input terminals, each uniquely associated with a first buffer memory, and a plurality of output terminals, each uniquely associated with a second buffer memory, is disclosed. Time-shared communication paths through the space-division network are predominately completed such that digital data words representing signals from both parties to a conversation are transmitted through the space-division network during the same time slot. Normally, data words representing signals from telephone subscribers are assigned to first buffer memories in accordance with a fixed distribution plan. The system includes an arrangement which modifies the fixed distribution plan when it is determined that both parties to a conversation will have their data words stored in the same first buffer memory and switches data words representing signals from the called party of the conversation to an idle storage location in a different first buffer memory. An arrangement is also disclosed to recoordinate data words read from the second buffer memories to remove any possible conflicts caused by the redistribution of the input data words.

REFERENCES:
patent: 3736381 (1973-05-01), Johnson et al.
patent: 3890469 (1975-06-01), Kelly et al.
patent: 3927267 (1975-12-01), Voyer et al.

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