Data communications system for establishing links between subscr

Details Data communications system for establishing links between subscr Data communications system for establishing links between subscr

1994-08-16

1995-08-22

Kuntz, Curtis

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 92, 379 96, 348 13, H04M 1100

Patent

active

054447690

ABSTRACT:
An interactive data communications system comprises a plurality of subscriber stations each of which has an identification code associated therewith and an entry terminal for manually entering data in response to a broadcast signal. Each entry terminal is connectable to a transmission line, the system including switching means for selectively allowing either data or voice signals to be conveyed down the transmission line. The transmission lines are linked to a data switching mechanism which includes a plurality of voice/data multiplexers. A control station is arranged to communicate with the data switching mechanism via a data link, the control station comprising at least one host computer for processing the data entered from the various entry terminals. The invention extends to a method of establishing a data link between a subscriber station and a host station which utilizes an interactive data communications systems.

REFERENCES:
patent: 4654868 (1987-03-01), Shelley
patent: 4811389 (1989-03-01), Balch
patent: 5003581 (1991-03-01), Pittard
patent: 5018736 (1991-05-01), Pearson et al.
patent: 5034807 (1991-07-01), Von Kohorn
patent: 5120076 (1992-06-01), Luxenberg et al.

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