Protocol integrating videotex communication system

Details Protocol integrating videotex communication system Protocol integrating videotex communication system

1989-03-08

1990-11-13

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04N 716

Patent

active

049707167

ABSTRACT:
A protocol integrating videotex communication system includes a group of data base centers conforming to various presentation level protocol syntaxes (PLPS) of a videotex, a plurality of subscriber's terminals conforming to the PLPS of to the group of data base centers, and a device for interconnecting the group of data base centers and the plurality of subscriber's terminals, which includes a gateway unit connected to the plurality of data base centers, a videotex communication control apparatus connected to the gateway unit, and an interconnection unit having a single ISDN exchange apparatus for connecting the videotex communication control apparatus to the plurality of subscriber's terminals.

REFERENCES:
patent: 4739402 (1988-04-01), Maeda et al.
patent: 4805134 (1989-02-01), Calo et al.

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