System for regenerating a data word on a communications ring

Details System for regenerating a data word on a communications ring System for regenerating a data word on a communications ring

1981-07-22

1984-03-20

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

370 89, H04J 602

Patent

active

044385200

ABSTRACT:
A system for regenerating an n-bit data word on a token mediated communications ring includes a decoder for receiving the data signal from the ring and deriving the n-bit data word and an associated clock signal from the received data signal. A re-transmit clock generator generates a transmit clock signal incorporating the i.sup.th through the n.sup.th cycles from the derived clock signal, followed by i cycles at the nominal system clock rate. A delay network delays the derived data word by a period approximately equal to the period of the nominal system clock. An encoding network regenerates the n-bit data word for re-transmission on the ring by encoding the delayed derived data word with the transmit clock signal.

REFERENCES:
patent: 3113268 (1963-12-01), Horak
patent: 3737585 (1973-06-01), Ghosh

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