Digital conference trunk system

Multiplex communications – Wide area network – Packet switching

Patent

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Details

377202, H04M 356

Patent

active

054522986

ABSTRACT:
A low cost digital conference trunk system of the simple construction with a smaller volume, which uses a single memory both as a memory for holding input highway data and a memory for holding output highway data by address operation and timing control.

REFERENCES:
patent: 4607362 (1986-08-01), Vary et al.
patent: 5007049 (1991-04-01), Ohtsuka
patent: 5054021 (1991-10-01), Epps
patent: 5128989 (1992-07-01), Nomura

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