Information recording/reproducing apparatus with means for subst

Details Information recording/reproducing apparatus with means for subst Information recording/reproducing apparatus with means for subst

1985-03-11

1989-06-20

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 58, 360 53, 365200, G11B 1722

Patent

active

048414980

ABSTRACT:
An information recording and reproducing apparatus for recording information on the recording medium and reproducing the information from the recording medium has a data recording region of a sector structure in which the region is divided into a plurality of sectors. There are provided means for designating alternate sector to be used in place of a defective sector and means for adding to data a logical address of a sector where the data is to be recorded. Reproduction from the sector where the desired data is recorded can be accomplished by using only a physical address without being influenced by difference between the physical address and the logical address brought about by the occurrence of the defective sector.

REFERENCES:
patent: 3422402 (1969-01-01), Sakalay
patent: 4189767 (1980-02-01), Ahuja
patent: 4214280 (1980-07-01), Halfhill et al.
patent: 4420807 (1983-12-01), Nolta et al.
patent: 4507693 (1985-03-01), Matsuda et al.
patent: 4520453 (1985-05-01), Chow
patent: 4546462 (1985-10-01), Koishi et al.
patent: 4558446 (1985-12-01), Banba et al.
English Translation of JP 58-98806.
Translation of JP 58-3103.

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