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A communication system having a central station and a plurality of terminal stations coupled through a bi-directional communication path such that the terminals communicate with each other through the central station, has dedicated communication channels assigned to couple a terminal station with an

A communication system having a central station and a plurality of terminal stations coupled through a bi-directional communication path such that the terminals communicate with each other through the central station, has dedicated communication channels assigned to couple a terminal station with another terminal station and common communication channels simultaneously assigned to the plurality of terminal stations in a multiplexing manner. The central station has a control unit for selecting one from the dedicated communication channels and the common communication channels in response to a communication request from a terminal station.

대표청구항 ▼

[ What is claimed is:] [1.] A multimedia communication system comprising:a central station including control means;a plurality of terminal stations communicating with each other through said central station, said terminal stations including at least audio communication terminals and data communicati

[ What is claimed is:] [1.] A multimedia communication system comprising:a central station including control means;a plurality of terminal stations communicating with each other through said central station, said terminal stations including at least audio communication terminals and data communication terminals; anda communication path coupled with said central station and said terminal stations, said communication path comprising both an uplink and downlink, each of said uplink and downlink having at least two types of communication channels, one of which is dedicated communication channels assigned between said terminal stations, the other of which is common communication channels commonly assigned to a plurality of said terminal stations in a multiplexing transmission manner, said control means being so designed that said dedicated communication channels are assigned for transmission of audio signals from said audio communication terminals, and said common communication channels are assigned for transmission of data signals from said data communication terminals, in accordance with the type of transmission signals when a communication request is issued from one of said terminal station.