G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 27/36 (2006.01) G11B 5/09 (2006.01) G11B 20/10 (2006.01) G11B 20/14 (2006.01) G11B 20/12 (2006.01)
Patent
CA 2105354
In a storage device, such as a magnetic rigid disk drive, data is stored at varying linear densities in the user data storage portions to increase the effective storage capacity of the device as a function of the differences in soft error rate tolerance associated with the various types of data being stored and the ability of non-alphanumeric data to be enhanced by reconstruction or smoothing rather than by an error correction code. A data type signal included with incoming data dictates the recording frequency and a control signal associated with the recorded data block is read when data is addressed to appropriately adjust the clock frequency for reading such addressed stored data.
Floryance Gregory Gerard
Ottesen Hal Hjalmar
Barrett B.p.
International Business Machines Corporation
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