Electronic Gazette
List of Direct Route Forfeited Applications
Released Number : VOL 12 NO 31

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:
 
NumberDateCountry
2003-3115959/3/2003 JAPAN
[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

 CategoryCitation of Document
 AUS PAT. NO. 5,396,380 (SHIMIZU, ET. AL.) MARCH 1995 (THE WHOLE DOCUMENT)
 AUS PAT. NO. 5,541,785 (SASAMOTO, ET. AL.) JULY 1996 (THE WHOLE DOCUMENT)
 AUS PAT. NO. 5,978,167 (ABE, TAKAO) NOVEMBER 1999 (THE WHOLE DOCUMENT)
 AUS PAT. NO. 6,445,522 (TSUNODA, ET. AL.) SEPTEMBER 2002 (THE WHOLE DOCUMENT)