Method and apparatus for stabilized data transmission

Details Method and apparatus for stabilized data transmission Method and apparatus for stabilized data transmission

1989-01-30

1990-12-18

Safourek, Benedict V.

Pulse or digital communications

Spread spectrum

Direct sequence

371 1, 375111, H04L 704

Patent

active

049791907

ABSTRACT:
Data can be accurately transmitted between two subsystems even if the clock skew between the two subsystems is larger than one clock cycle by the method of the invention. In one embodiment data is loaded into N state devices in the sending subsystem while the receiver recovers data from the sending state devices in rotation with an N input multiplexer. Another embodiment forwards a clock signal from the sending subsystem along with a data vector of N state signals for recovery by a pair of state devices capturing data on the rising and falling edges of the forwarded clock. A further embodiment achieves double bandwidth by forwarding two clock signals.

REFERENCES:
patent: 3622885 (1971-11-01), Kruszynski
patent: 4637018 (1987-01-01), Flora et al.
patent: 4641318 (1987-02-01), Addeo
patent: 4656612 (1987-04-01), Allan
patent: 4700347 (1987-10-01), Rettberg et al.
patent: 4714924 (1987-12-01), Ketzler
patent: 4754164 (1988-06-01), Flora et al.
patent: 4885485 (1989-12-01), Leake et al.
Electronic Letters, vol. 22, No. 10, May 8, 1986, pp. 543-544.

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