Time-division-multiplexed exchanger

Details Time-division-multiplexed exchanger Time-division-multiplexed exchanger

1979-05-25

1981-04-07

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

179 16F, 179170R, 364724, H04Q 1104, H04B 336

Patent

active

042610516

ABSTRACT:
In a time-division-multiplexed exchanger having digital filters disposed in a channel system, a level adjuster wherein data for setting line losses corresponding to respective combinations of interconnections of a plurality of lines received at outgoing and incoming line terminals of the time-division-multiplexed exchanger are stored by storage means, and coefficients of the digital filters are controlled on the basis of the data at exchange operations, whereby the level adjustment is made.

REFERENCES:
patent: 3699325 (1972-10-01), Montgomery et al.
patent: 3823275 (1974-07-01), La Marche et al.
patent: 3828145 (1974-08-01), Carbrey
patent: 4051332 (1977-09-01), Izumi et al.
patent: 4057695 (1977-11-01), Ohno
patent: 4146931 (1979-03-01), Delforge

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