Data recorder

Details Data recorder Data recorder

1996-01-17

1998-06-30

Black, Thomas G.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

G06F 1730

Patent

active

057742880

ABSTRACT:
A data recorder performs tape loading and unloading operations at high speed and without requiring the tape to be rewound to its top portion upon unloading. The data recorder records updated header information on the tape when the unloading operation is performed. The header information may contain unique values for identifying the tape and its volume. The header information including the values may be stored to a database or other memory device. The data recorder changes the position of a header information on the tape whenever the header information is updated to prevent a damage to a particular portion of the tape. Following the header information, also recorded is unload information that represents the position of the updated header information on the tape.

REFERENCES:
patent: 5274508 (1993-12-01), Tan et al.
patent: 5321562 (1994-06-01), Hamada et al.
patent: 5428727 (1995-06-01), Kurosu et al.
patent: 5608858 (1997-03-01), Kurosu et al.

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