Multiplex communications – Wide area network – Packet switching
Patent
1986-12-05
1988-05-10
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 96, H04J 302
Patent
active
047440775
ABSTRACT:
In a data processing network using time slot protocol to transmit characters from a host computer to a plurality of users and to transmit a keystroke from a specified user back to the host computer, a terminal device for generating a first link flow control command in a designated time slot for stopping the transmission of characters which are being transmitted from the host computer to the terminal device at a rate faster than the rate at which they are first being outputted by the terminal device. The terminal device generates the link flow control command responsive to storing a first set number of characters received from the host computer. The terminal device further generates a second link flow control command for restarting the transmission to it of characters after it has outputted sufficient characters such that a number of characters less than or equal to a second set number is stored.
REFERENCES:
patent: 4475192 (1984-10-01), Fernow
patent: 4499576 (1985-02-01), Fraser
patent: 4597074 (1986-06-01), Demichelis et al.
patent: 4607363 (1986-08-01), Platel et al.
Fadem Richard J.
Speyer David C.
Dugas Edward
Gonzalez Floyd A.
Hawk Jr. Wilbert
NCR Corporation
Olms Douglas W.
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