Asynchronous communication systems

Details Asynchronous communication systems Asynchronous communication systems

1988-05-18

1989-10-17

Griffin, Robert L.

Pulse or digital communications

Spread spectrum

Direct sequence

364200, 365 78, H04L 2536

Patent

active

048752240

ABSTRACT:
An asynchronous communication system writes data from an input (I) to an output (O) via region of shared memory. The region of shared memory is divided into four slots (S1-S4). The system includes means to write data (1, 5, 6) which select a pair of slots S1, S2; S3, S4) not currently selected for reading and one of the slots of the selected pair which is not the slot last written to. Means to read date (2, 3, 4) select the slot last written to and route data from that slot to the output (O) so that fresh coherent data is communicated fully asynchronously from the input (I) to the output (O).

REFERENCES:
patent: 3855424 (1974-12-01), Tharmaratnam et al.
patent: 4433394 (1984-02-01), Torii et al.

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