Ring communication system

Details Ring communication system Ring communication system

1987-11-18

1988-09-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, 370 88, H04J 302, H04Q 1104

Patent

active

047698136

ABSTRACT:
Communication systems of a plurality of switching nodes connected in a closed ring. A switching stage at each node transmits words of data from node-to-node in a time-division multiplexed data stream. Data can be inserted onto the ring by each switching stage, and data addressed to a switching stage is removed from the ring by that switching stage. Data words are loaded into input registers at each switching stage on the leading edge of a clock pulse, decoding occurs within each switching stage during the clock pulse, and the data words are placed in the proper output registers of each switching stage in response to the termination of the clock pulse.

REFERENCES:
patent: 4554659 (1985-11-01), Blood et al.
patent: 4558428 (1985-12-01), Matsumura et al.
patent: 4569041 (1986-02-01), Takeuchi et al.

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