Information recording/reproduction apparatus, head...

Details Information recording/reproduction apparatus, head... Information recording/reproduction apparatus, head...

2006-08-16

2009-10-06

Tzeng, Fred (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07599143

ABSTRACT:
There is provided an information recording/reproduction apparatus, a head levitation height control method, and a head levitation control circuit capable of adequately controlling a head levitation height.An information recording/reproduction apparatus having a head41that performs recording or reproduction of information on/from a recording medium, comprises: a drive section43athat changes the levitation height of the head41relative to the recording medium based on a first drive method; a drive section43bthat changes the levitation height of the head41relative to the recording medium based on a second drive method different from the first drive method; a levitation height measurement section that measures the levitation height of the head41; and a controller that controls the drive sections43aand43bbased on the head levitation height measured by the levitation height measurement section.

REFERENCES:
patent: 5377058 (1994-12-01), Good et al.
patent: 5831781 (1998-11-01), Okamura
patent: 5974657 (1999-11-01), Fox et al.
patent: 6057975 (2000-05-01), Yaeger et al.
patent: 6101054 (2000-08-01), Tsunoda
patent: 6125008 (2000-09-01), Berg et al.
patent: 6266199 (2001-07-01), Gillis et al.
patent: 6310747 (2001-10-01), Emo et al.
patent: 6411458 (2002-06-01), Billings et al.
patent: 6525891 (2003-02-01), Tsunoda
patent: 6760181 (2004-07-01), Li et al.
patent: 6992850 (2006-01-01), Nishiyama
patent: 7023647 (2006-04-01), Bloodworth et al.
patent: 7180692 (2007-02-01), Che et al.
patent: 7187514 (2007-03-01), Takagi et al.
patent: 7215495 (2007-05-01), Che et al.
patent: 7292401 (2007-11-01), Shen et al.
patent: 7430098 (2008-09-01), Song et al.
patent: 7457069 (2008-11-01), Yoshioka et al.
patent: 2006/0028754 (2006-02-01), Suk
patent: 2006/0119974 (2006-06-01), Yamazaki et al.
patent: 2006/0158769 (2006-07-01), Ono et al.
patent: 2007/0146920 (2007-06-01), Kitamura et al.
patent: 2007/0230001 (2007-10-01), Imamura et al.
patent: 1090078 (1994-07-01), None
patent: 1619649 (2005-05-01), None
patent: 61-113117 (1986-05-01), None
patent: 61-172285 (1986-08-01), None
patent: 62-250570 (1987-10-01), None
patent: 5-20635 (1993-01-01), None
patent: 5-347078 (1993-12-01), None
patent: 2004-241092 (2004-08-01), None
Chinese Office Action mailed Apr. 24, 2009 regarding Chinese App. No. 200610152111.X. An English-language translation is provided.

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