Key extraction apparatus and a key extraction method

Details Key extraction apparatus and a key extraction method Key extraction apparatus and a key extraction method

1993-08-31

1996-12-03

Kulik, Paul V.

G06F 706, G06F 1300

Patent

active

055817513

ABSTRACT:
A key extraction apparatus comprises a main memory, a data input unit of the key extraction apparatus, a data-write controller which generates a data-write timing signal for writing data on a data memory, a data-write timing signal generated by the data-write controller, a data memory for writing data from the main memory, a processor which performs data transfer, sort processing and so on, a key memory which extracts key portions from the record written in the data memory and stores them, and a key-write controller which generates a key-write timing signal.

REFERENCES:
patent: 5117495 (1992-05-01), Liu
patent: 5210870 (1993-05-01), Baum et al.

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