Combining small records into a single record block for recording

Details Combining small records into a single record block for recording Combining small records into a single record block for recording

1989-06-28

1993-04-06

Dixon, Joseph L.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

364DIG2, 360 20, 360 50, G06F 1200

Patent

active

052008649

ABSTRACT:
Information bearing signals are recorded in one of a plurality of record formats on one record medium, such as a magnetic tape, magnetic disk, optical disk, and the like. The format selected may be commanded or based upon record lengths, in bytes. When the record length equals or exceeds a predetermined number of bytes, then one record is recorded in each signal block of the record format. When the record length is less than the predetermined number, then a second format is used which inserts several of the records in one of the signal blocks. The signal block and its packets respectively contain indications of formats such that any one of several formats may be used on one record medium and in one signal block having a plurality of variable length packets. Logical indicators, such as format marks, tape marks, and the like, may separate formats used on the storage medium.

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