Erasing and recovering system for data block on a magnetic tape

Details Erasing and recovering system for data block on a magnetic tape Erasing and recovering system for data block on a magnetic tape

1992-03-18

1994-07-05

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

360 66, G11B 509

Patent

active

053273010

ABSTRACT:
In an erasing and recovering system for a data block on a magnetic tape in a magnetic tape recording and reproducing apparatus, the system includes: a detecting unit for detecting data error caused by a damaged portion on the magnetic tape by reading a data block just after the data block is written to the magnetic tape; a calculating unit for calculating the circumference of the magnetic tape including the damaged portion; an erasing unit for erasing half of the circumference including the damaged portion; and a data write unit for re-writing the same data block as the data block including the error into another half of the same circumference as the circumference including the damaged portion.

REFERENCES:
patent: 4664336 (1967-05-01), Koyama
patent: 4783784 (1988-11-01), Ishiguro et al.

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