Apparatus for connecting a plurality of channels

Details Apparatus for connecting a plurality of channels Apparatus for connecting a plurality of channels

1988-11-28

1990-01-16

Dwyer, James L.

Telephonic communications

Special services

Conferencing

379205, H04M 356

Patent

active

048948594

ABSTRACT:
The channel connecting apparatus is constituted by a plurality of network control units for interconnecting terminal devices and channels connected to remote parties, a control signal transmission/reception circuit which includes a detector for detecting an acknowledge signal and a channel close instruction signal to send the detected informations, and a generator for sending the acknowledge signal and the channel close instruction signal to the channels through the network control units. There are also provided a control panel, a memory circuit for storing connecting informations supplied from the control panel, and a controller responsive to the outputs of the control signal transmisison/reception circuit and the control panel for interconnecting channels and the terminal devices when the acknowledge signal is received and for closing the channels when the channel close instruction signal is received.

REFERENCES:
patent: 3441678 (1969-04-01), Budlong et al.
patent: 4611095 (1985-09-01), LeBlanc et al.

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