Data transmission system

Details Data transmission system Data transmission system

1986-09-08

1988-03-22

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 95, 3408255, H04J 302

Patent

active

047333901

ABSTRACT:
A data transmission system in which a plurality of data transmitting circuits with different addresses allotted thereto and a common data receiving circuit are coupled to one another through common data transmission lines. A clock pulse signal determining the rate of data transmission and a frame sync signal determining one frame period having a plurality of time slots are transmitted to the common data transmission lines. The plurality of data transmission circuits are each given a right to transmit data in a plurality of time slots according to a predetermined priority. Each data transmitting circuit is allowed to transmit data in time slots other than a time slot in which a first priority is assigned to itself, after confirming that no data is being transmitted to the common data transmission line by other data transmitting circuits with a priority higher than its priority.

REFERENCES:
patent: 4488290 (1984-12-01), Dunn et al.
patent: 4631534 (1986-12-01), Franklin et al.
patent: 4656627 (1987-04-01), Hasley et al.

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