Storage device, processor or storage device, and computer...

Details Storage device, processor or storage device, and computer... Storage device, processor or storage device, and computer...

2011-08-16

2011-08-16

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

C360S294000

Reexamination Certificate

active

08000046

ABSTRACT:
According to one embodiment, a storage device includes: ahead actuator configured to move a head to an arbitrary position on a disk medium; a write/read module configured to write data to or read data from the disk medium using the head; an adjustment region selector configured to divide the disk medium into a plurality of regions in a circumferential direction, write test data to each of the regions, read the test data to measure signal quality of the each of the regions, compare the signal quality of the each of the regions, and select a parameter adjustment region; and a parameter adjustment module configured to adjust a parameter used for the write/read module to write data to and read data from the disk medium to an optimal value using the selected parameter adjustment region.

REFERENCES:
patent: 5831781 (1998-11-01), Okamura
patent: 2006/0126204 (2006-06-01), Taniguchi et al.
patent: H05-142317 (1993-06-01), None
patent: 09-180373 (1997-07-01), None
patent: H10-091908 (1998-04-01), None
patent: 2000-235703 (2000-08-01), None
patent: 2003-223701 (2003-08-01), None
patent: 2006-309810 (2006-11-01), None
International Search Report mailed Jul. 17, 2007 by the Japan Patent Office.
Explanation of Non-English Language References, Dec. 4, 2009.

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