Memory system

Details Memory system Memory system

1983-05-04

1985-12-10

Atkinson, Charles E.

Excavating

360 53, G11B 509, G06F 1100

Patent

active

045584460

ABSTRACT:
In prior art memory systems, if a defective area of the recording medium is accessed for reading, an alternative area for compensating the defective area is read out. According to this invention, information recorded in the alternative area is stored in advance in a separate high-speed memory device and it is read out when the alternative area is requested to be read out.

REFERENCES:
patent: 3422402 (1969-01-01), Sakalay
patent: 4214280 (1980-07-01), Halfhill et al.
patent: 4420807 (1983-12-01), Nolta et al.
patent: 4434487 (1984-02-01), Rubinson et al.
patent: 4473895 (1984-09-01), Tatematsu

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