Communication switching system data retrieval and loading arrang

Details Communication switching system data retrieval and loading arrang Communication switching system data retrieval and loading arrang

1974-01-18

1976-02-17

Robinson, Thomas A.

179 7MM, H04M 1506, H04Q 354

Patent

active

039393097

ABSTRACT:
A data retrieval and loading arrangement for a communication switching system, such as a telephone system, having common equipment with storage areas containing program information blocks for facilitating the establishment of connections through the system switching network and for generating ticketing information in response to a ticketing connection scanning unit, includes information storage equipment, which in the disclosed embodiment is magnetic tape recording equipment, for storing the ticketing information and the program information blocks via a peripheral adapter unit in response to the common equipment, and a status register responsive to directive information from the common equipment for controlling the adapter unit to transfer to the storage equipment either the ticketing information or the program information blocks. New program information blocks from other ones of the program memory units may be transferred to the storage areas of the common equipment for storage therein.

REFERENCES:
patent: 3737873 (1973-06-01), Puccini
patent: 3813495 (1974-05-01), Conerly

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