Communication switching system

Details Communication switching system Communication switching system

1974-02-28

1976-07-20

Shaw, Gareth D.

Communications: electrical

Digital comparator systems

179 15AL, G06F 1516, H04J 302, H04Q 342, H04Q 364

Patent

active

039709949

ABSTRACT:
A communication switching system having distributed control and modular design including a loop structure to which processor modules and storage modules are attached. Input to and output from the loop are effected through line registers, one line register being provided for each communication line. The line registers also function as intermediate storage between sequential processing steps. The processor modules, which are physically separated from the storage modules, are allocated for each step of a task, completely independent of the communication line associated with that task, or any past allocation of that task. Accordingly, messages can be sent by a processor module to any one of the storage modules for fetching or delivering of data and then the data will be routed back to the processor modules. After all required processing has been accomplished, a message will be sent back to the associated line register containing new data, either for output to the line or for later reuse by the system.

REFERENCES:
patent: 3544976 (1970-12-01), Collins
patent: 3629854 (1971-12-01), Hauck
patent: 3670308 (1972-06-01), Tutelman
patent: 3671942 (1972-06-01), Knollman
patent: 3856993 (1974-12-01), Closs et al.

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