Document
Code: PH A |
[21] Application Number: | 1-2004-000378 |
[54] Title: | METHOD AND APPARATUS FOR POSITIONING HEAD USING SERVO BURST SIGNALS IN A DISK DRIVE |
[72] Inventor(s): |
AKIO TODA, OF , TOKYO, JAPAN |
[73] Assignee(s): |
KABUSHIKI KAISHA TOSHIBA , OF TOKYO, JAPAN |
[74] Attorney/Agent: | SAPALO & VELEZ |
[22] Date Filed: | 9/2/2004 |
[30] | Priority Data: | ||||||||
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[51] International Class7: | G11B 5/596; G11B 21/10; G11B 5/588 |
[57] Abstract: |
There is disclosed a disk drive using a disk in which servo data is recorded, wherein a CPU executes control to position a head by use of a servo burst calculation result and a difference value from a target cylinder at the time of on-track control in the head positioning control. |
Representative Drawing(s):
Search Report |
[58] Field of Search: | G11B 5/596; G11B 21/10; G11B 5/588 |
[56] Documents Considered to be Relevant |
Category | Citation of Document |
A | US PAT. NO. 5,396,380 (SHIMIZU, ET. AL.) MARCH 1995 (THE WHOLE DOCUMENT) |
A | US PAT. NO. 5,541,785 (SASAMOTO, ET. AL.) JULY 1996 (THE WHOLE DOCUMENT) |
A | US PAT. NO. 5,978,167 (ABE, TAKAO) NOVEMBER 1999 (THE WHOLE DOCUMENT) |
A | US PAT. NO. 6,445,522 (TSUNODA, ET. AL.) SEPTEMBER 2002 (THE WHOLE DOCUMENT) |
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