Multi-stage teleconferencing system

Details Multi-stage teleconferencing system Multi-stage teleconferencing system

1995-05-30

1997-01-21

Matar, Ahmad F.

Telephonic communications

Special services

Conferencing

379207, H04M 356

Patent

active

055966357

ABSTRACT:
By teleconferencing participants (201-1-201-N.sub.1, 202-1-202-N.sub.2, 203-1-203-N.sub.3), who are grouped in diverse geographic locations with a multi-stage system, a significant improvement in the use of interexchange facilities is achieved. The signals transmitted by the telecommunications devices (e.g., telephones) of a group of conference participants located in the same general geographic area are inputted to a first stage bridge (210, 211, 212). Each first stage bridge measures the signal power of each signal and outputs on separate telephone circuits (218, 219, 220), a predetermined number of signals (for example, three) that have the highest signal power. These three signals are transmitted on the interexchange facilities (206) to a second stage bridge (216) to which similar groups of signals from other first stage bridges in other locations are also transmitted. The second stage bridge measures the signal power on each of its inputs from all first stage bridges and combines that same predetermined number of signals (i.e., three) having the highest signal power into a single signal. The combined signal is returned over the interexchange facilities to each first stage bridge and thence to each conference participant.

REFERENCES:
patent: 4360827 (1982-11-01), Braun
patent: 5212726 (1993-05-01), Dayner et al.

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