Digital signal multiplexing apparatus

Details Digital signal multiplexing apparatus Digital signal multiplexing apparatus

1988-08-17

1990-11-13

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370112, H04J 322

Patent

active

049707191

ABSTRACT:
A digital signal multiplexing apparatus comprising variable multiplexers each of which can alter a multiplexed channel format every call in compliance with a subscriber's request, a fixed multiplexer which has a multiplexing capacity integral times as large as the total multiplexing capacity of the variable multiplexers and the multiplexed channel format of which is fixed, and fixed multiplexed signal demultiplexers each of which fixedly demultiplexes signals in a capacity integral times as large as that of each of the variable multiplexers into signals in a capacity equal to the total capacity of the variable multiplexers, wherein the outputs of the fixed multiplexed signal demultiplexers are distributed to the variable multiplexers through a distributing switch network, and the outputs of the variable multiplexers are multiplexed by the fixed multiplexer.

REFERENCES:
patent: 4504943 (1985-03-01), Nagano et al.
patent: 4589108 (1986-05-01), Billy
patent: 4716561 (1987-12-01), Angell et al.
patent: 4751699 (1988-06-01), Tarridec et al.
patent: 4855999 (1989-08-01), Chao

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