Direct file access system for magnetic tape

Details Direct file access system for magnetic tape Direct file access system for magnetic tape

1994-06-13

1996-11-05

Kim, W. Chris

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 63, 360 743, 360 744, G11B 509, G11B 1512, G11B 1548

Patent

active

055723780

ABSTRACT:
A direct file access system for a magnetic tape where all data files begin at a designated location on the tape. The direct file access system may be used with a reduced rewind data configuration to decrease data access time. The reduced rewind data configuration divides data files into generally equal portions so that data files begin and end at the designated location on the tape, eliminating rewind sequences. A method and system for reducing the number of tape retensioning passes is included to further decrease access time.

REFERENCES:
patent: 4498107 (1985-02-01), Yoshimaru et al.
patent: 5216556 (1993-06-01), Steinberg et al.
patent: 5287229 (1994-02-01), Saito et al.
patent: 5293280 (1994-03-01), Ishikawa et al.
patent: 5388012 (1995-02-01), Adams et al.
patent: 5420727 (1995-05-01), Basham et al.

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