Magnetic disk apparatus and recording method

Details Magnetic disk apparatus and recording method Magnetic disk apparatus and recording method

2011-03-29

2011-03-29

Tzeng, Fred (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Reexamination Certificate

active

07916417

ABSTRACT:
A magnetic disk apparatus includes a computing unit that obtains data to be recorded on a magnetic disk and computes an intermediate bit length based on a longest bit length and a shortest bit length of bit lengths of the obtained data; an adjusting unit that adjusts a strength of a recording current for recording the obtained data based on a difference between the intermediate bit length and a bit length of the obtained data; and a recording unit that repeatedly detects an error rate for recording data by using the adjusted recording current while narrowing down a track width on the magnetic disk and records the obtained data with a track width corresponding to an error rate detected immediately before an error rate that is detected to be equal to or greater than a predetermined value.

REFERENCES:
patent: 5331612 (1994-07-01), Murakami et al.
patent: 5719719 (1998-02-01), Tsuyoshi et al.
patent: 6816617 (2004-11-01), Yamori et al.
patent: 7003116 (2006-02-01), Riedel et al.
patent: 7013304 (2006-03-01), Schuetze et al.
patent: 7826164 (2010-11-01), Morikawa
patent: 2010/0014180 (2010-01-01), Yamagishi
patent: A 2008-77717 (2008-04-01), None

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