Gain controller for a teleconferencing bridge

Details Gain controller for a teleconferencing bridge Gain controller for a teleconferencing bridge

1980-06-10

1982-02-16

Cardillo, Jr., Raymond F.

179 18BC, H04M 356

Patent

active

043160590

ABSTRACT:
A gain controller for normalizing signal levels from a plurality of remote stations connected to a teleconferencing bridge. Common monitoring circuitry is used to generate a clock signal, the duration of which is proportional to the magnitude of a test signal from the remote station. This clock signal in turn is stored in a separate binary counter, the output of which is used to individually control the amplifier gain in the channel connecting the remote station to the bridge.

REFERENCES:
patent: 3050584 (1962-08-01), Miller
patent: 4197429 (1980-04-01), Sparber

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