Conference system

Details Conference system Conference system

1985-10-03

1988-02-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104

Patent

active

047260165

ABSTRACT:
A conference system, in which a buffer memory is connected to the input-output of each highway for storing all its channel data for each frame. The stored data is time-divided so that a time-length obtained by dividing one frame length by an appropriate number (for example, eight) may be the operation time length of each trunk, thereby implementing real-time processing a number of trunks. Conference circuits capable of inhibiting an output for each channel are connected in parallel to the highways. During an ordinary two-party communication operation an output on the corresponding channel of the conference circuit is inhibited, and during a conference operation an output on the corresponding channel of the highway switching circuit is inhibited, by which channels allocated to telephone sets or CO lines are used for the conference without the necessity of providing channels specifically therefor.

REFERENCES:
patent: 3958084 (1976-05-01), Nicholas
patent: 4359603 (1982-11-01), Heaton
patent: 4481624 (1984-11-01), Baranyai et al.
patent: 4545050 (1985-10-01), van Baardewijk et al.

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