System comprising a magnetic-tape cassette and a magnetic-tape a

Details System comprising a magnetic-tape cassette and a magnetic-tape a System comprising a magnetic-tape cassette and a magnetic-tape a

1993-10-04

1996-01-30

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

360132, G11B 509, G11B 2302

Patent

active

054885175

ABSTRACT:
A system including a magnetic-tape cassette and a magnetic-tape apparatus for recording and/or reproducing information in digital form on/from a magnetic tape. The information is stored in a plurality of parallel longitudinal tracks on the magnetic tape in successive information blocks in the longitudinal direction of the magnetic tape. The tape apparatus includes an error correction device for correcting read errors in the digital information read from the magnetic tape. The error-correction device is capable of correcting a maximum number of n successive information blocks on the magnetic tape. The magnetic-tape cassette has at least one tape-cleaning element having an active surface in contact with a coating side of the magnetic tape and, in a direction parallel to the longitudinal axis of the magnetic tape, has a dimension smaller than the overall longitudinal dimension of two times n information blocks. As a result, the error correction device is capable of at least substantially correcting read errors which occur as a result of soiling of the magnetic tape by the tape-cleaning element.

REFERENCES:
patent: 3731289 (1973-05-01), Bajgert et al.
patent: 5081555 (1992-01-01), Rohloff
patent: 5124353 (1992-06-01), Kashida et al.
patent: 5200864 (1993-04-01), Dunn et al.
patent: 5260840 (1993-11-01), Hatanaka et al.
patent: 5274515 (1993-12-01), Furuyama
patent: 5347407 (1994-09-01), Solhjell et al.

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