Multiplex communications – Wide area network – Packet switching
Patent
1985-10-03
1988-03-08
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
379202, H04Q 1104
Patent
active
047303069
ABSTRACT:
A conference system is disclosed which is capable of freely setting the sound volume level by making the sound volume levels of the input and output of the conference circuit variable for each participant, by pluralities of input and output ROM converters so that the levels of voices of participants of large and small line losses are made as close to each other as possible and that the participant of a large line loss is supplied with a voice of low attenuation.
REFERENCES:
patent: 4109111 (1978-08-01), Cook
patent: 4190742 (1980-02-01), Southard
patent: 4301531 (1981-11-01), Lubin
patent: 4359603 (1982-11-01), Heaton
patent: 4606021 (1986-08-01), Wurst
Burns Robert E.
Chin Wellington
Iwatsu Electric Co. Ltd.
Lobato Emmanuel J.
Olms Douglas W.
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