Multiplex communications – Wide area network – Packet switching
Patent
1983-12-12
1986-07-15
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
3408255, H04J 300
Patent
active
046010300
ABSTRACT:
A multipoint connection system adapted to operate in the time-division multiplex mode. The system includes an output link (21), connected to the output of a control station (10) and to the input of each of the work stations (WS-1, WS-2), and a U-shaped input link (22) one leg of which has its end connected to the input of the control station and the other leg (22-2) of which is terminated by an impedance (Z2) and is connected to the output of each work station. The signals on the output link and on leg (22-2) travel in the same direction, thereby eliminating the need to provide adjustable means of determining the transmission times specific to each work station.
REFERENCES:
patent: 3924077 (1975-12-01), Blakeslee
patent: 4140877 (1979-02-01), Joslow et al.
patent: 4301532 (1981-11-01), Janetzky
patent: 4340775 (1982-07-01), Gesek et al.
patent: 4503533 (1985-03-01), Tobagi et al.
patent: 4504945 (1985-03-01), Kunikyo
Frisone John B.
International Business Machines Corp.
Olms Douglas W.
Scutch III Frank M.
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