DE19983553T1 - Konzentrische Beabstandung von virtuellen Datenspuren mit Run-Out-Kompensation - Google Patents

Konzentrische Beabstandung von virtuellen Datenspuren mit Run-Out-Kompensation

Info

Publication number: DE19983553T1
Authority: DE; Germany
Prior art keywords: run; virtual data; data tracks; out compensation; concentric spacing
Prior art date: 1998-09-14
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

DE19983553T

Other languages

English (en)

Inventor

Timothy F Ellis

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Seagate Technology LLC

Original Assignee

Seagate Technology LLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1998-09-14

Filing date

1999-09-13

Publication date

2001-08-09

1999-09-13 Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC

2001-08-09 Publication of DE19983553T1 publication Critical patent/DE19983553T1/de

Status Withdrawn legal-status Critical Current

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59627—Aligning for runout, eccentricity or offset compensation

DE19983553T 1998-09-14 1999-09-13 Konzentrische Beabstandung von virtuellen Datenspuren mit Run-Out-Kompensation Withdrawn DE19983553T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US10023598P	1998-09-14	1998-09-14
PCT/US1999/021167 WO2000016332A1 (en)	1998-09-14	1999-09-13	Concentric spacing of virtual data tracks using run-out compensation

Publications (1)

Publication Number	Publication Date
DE19983553T1 true DE19983553T1 (de)	2001-08-09

Family

ID=22278752

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19983553T Withdrawn DE19983553T1 (de)	1998-09-14	1999-09-13	Konzentrische Beabstandung von virtuellen Datenspuren mit Run-Out-Kompensation

Country Status (7)

Country	Link
US (1)	US6392834B1 (de)
JP (1)	JP2002525776A (de)
KR (1)	KR20010075112A (de)
CN (1)	CN1324482A (de)
DE (1)	DE19983553T1 (de)
GB (1)	GB2361351A (de)
WO (1)	WO2000016332A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6754032B1 (en) *	1999-10-22	2004-06-22	Seagate Tech. Llc	Method and system for radial and circumferential alignment of data tracks on patterned media
US6608731B2 (en) *	2000-01-05	2003-08-19	Seagate Technology Llc	Dynamic reduction of track shape errors in disc drives
US6611396B1 (en) *	2000-04-24	2003-08-26	Mobile Storage Technology	Disk level servo write
US6707635B1 (en) *	2000-10-05	2004-03-16	Western Digital Technologies, Inc.	Method and apparatus for RRO learning on alternate tracks before and after shipping to cancel RRO in a disk drive
JP2003016747A (ja) *	2001-06-28	2003-01-17	Hitachi Ltd	磁気ディスク装置
US6853514B2 (en) *	2002-02-05	2005-02-08	Seagate Technology Llc	Method for measuring PES noise of servo patterned media
US20040156137A1 (en) *	2003-02-06	2004-08-12	Settje Christopher Thomas	Timing variance write gate pull
US7002761B1 (en)	2003-03-27	2006-02-21	Marvell International Ltd.	Demodulation compensation for spiral servo tracks in hard disk drives
US6963466B2 (en) *	2003-06-25	2005-11-08	Seagate Technology Llc	Radial dependent low frequency repeatable run out compensation apparatus and method
JP2005135530A (ja) *	2003-10-30	2005-05-26	Toshiba Corp	ヘッド位置決め制御システム、ディスク記憶装置及びサーボ書き込み方法
JP2006040402A (ja)	2004-07-27	2006-02-09	Hitachi Global Storage Technologies Netherlands Bv	磁気ディスク装置
US7064914B1 (en)	2004-12-22	2006-06-20	Seagate Technology Llc	Position error signal quality
US7663835B1 (en) *	2007-06-28	2010-02-16	Western Digital Technologies, Inc.	System and method for identifying track squeeze errors (TSEs) of a disk of a disk drive
US7639447B1 (en)	2008-02-18	2009-12-29	Western Digital Technologies, Inc.	Servo track squeeze compensation in a disk drive
US8743495B1 (en)	2011-06-03	2014-06-03	Western Digital Technologies, Inc.	Disk drive detecting track squeeze when circular tracks are defined from non-circular servo tracks
US8749904B1 (en)	2012-02-28	2014-06-10	Western Digital Technologies, Inc.	Disk drive compensating for track squeeze by writing non-circular servo tracks
US8717704B1 (en)	2012-02-28	2014-05-06	Western Digital Technologies, Inc.	Disk drive defining non-circular data tracks relative to a rotation axis of the disk
US8670206B1 (en)	2012-03-27	2014-03-11	Western Digital Technologies, Inc.	Disk drive estimating repeatable runout of reference pattern based on repeatable runout of phase error
US8724253B1 (en)	2012-03-27	2014-05-13	Western Digital Technologies, Inc.	Disk drive adjusting demodulation window for spiral track using timing feed-forward compensation
US8929021B1 (en)	2012-03-27	2015-01-06	Western Digital Technologies, Inc.	Disk drive servo writing from spiral tracks using radial dependent timing feed-forward compensation
US8917475B1 (en)	2013-12-20	2014-12-23	Western Digital Technologies, Inc.	Disk drive generating a disk locked clock using radial dependent timing feed-forward compensation
US11456014B1 (en) *	2021-10-05	2022-09-27	Western Digital Technologies, Inc.	Repeatable runout compensation value generation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3725764A (en) *	1971-04-01	1973-04-03	Ibm	Servo positioning system for magnetic disk memory including radial runout servo compensation
DE3374731D1 (en) *	1983-06-30	1988-01-07	Ibm	Track following servo system for a disk file
US4890172A (en)	1988-09-27	1989-12-26	Digital Equipment Corporation	Automatic servo gain calibration system for a disk drive
WO1993006595A1 (en)	1991-09-25	1993-04-01	Integral Peripherals, Inc.	Adaptive runout compensation for miniature disk drives
US5585976A (en) *	1994-06-22	1996-12-17	Seagate Technology, Inc.	Digital sector servo incorporating repeatable run out tracking
US6097565A (en) *	1996-01-31	2000-08-01	International Business Machines Corporation	Repeatable runout free servo architecture in direct access storage device
US5793559A (en) *	1996-02-27	1998-08-11	Quantum Corporation	In drive correction of servo pattern errors
US5886846A (en)	1996-03-13	1999-03-23	Syquest Technology, Inc.	Method for applying optimal seeking technique to disk file with excessive repeatable runout
US5825578A (en) *	1996-06-11	1998-10-20	Seagate Technology, Inc.	Method and apparatus for compensating track position due to written-in runout error in a disc drive
US5835300A (en) *	1997-01-30	1998-11-10	Seagate Technology, Inc.	Dynamic compensation of servo burst measurement offsets in a disc drive
US6141175A (en) *	1997-10-08	2000-10-31	Western Digital Corporation	Repeatable runout cancellation in sectored servo disk drive positioning system
US6115203A (en) *	1998-01-30	2000-09-05	Maxtor Corporation	Efficient drive-level estimation of written-in servo position error

1999
- 1999-09-13 GB GB0103419A patent/GB2361351A/en not_active Withdrawn
- 1999-09-13 DE DE19983553T patent/DE19983553T1/de not_active Withdrawn
- 1999-09-13 JP JP2000570781A patent/JP2002525776A/ja active Pending
- 1999-09-13 CN CN99810800A patent/CN1324482A/zh active Pending
- 1999-09-13 KR KR1020017003314A patent/KR20010075112A/ko not_active Application Discontinuation
- 1999-09-13 WO PCT/US1999/021167 patent/WO2000016332A1/en not_active Application Discontinuation
- 1999-09-13 US US09/394,756 patent/US6392834B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
WO2000016332A9 (en)	2000-08-17
CN1324482A (zh)	2001-11-28
US6392834B1 (en)	2002-05-21
GB0103419D0 (en)	2001-03-28
KR20010075112A (ko)	2001-08-09
WO2000016332A1 (en)	2000-03-23
JP2002525776A (ja)	2002-08-13
GB2361351A (en)	2001-10-17

Publication	Publication Date	Title
DE19983553T1 (de)	2001-08-09	Konzentrische Beabstandung von virtuellen Datenspuren mit Run-Out-Kompensation
DE69722980D1 (de)	2003-07-31	Aufzeichnung von Sprachdaten mit Segmenten von akustisch verschiedenen Umgebungen
DE69526294D1 (de)	2002-05-16	Daten-Maus
DE69418534D1 (de)	1999-06-24	Plattenwiedergabegerät
DE69434923D1 (de)	2007-03-22	Aufzeichnungsmedium
DE69818008D1 (de)	2003-10-16	Datenzugriffskontrolle
DE69805536D1 (de)	2002-06-27	Datenaufzeichnungsgerät
DE69530012D1 (de)	2003-04-24	Festplatte
DE69519653D1 (de)	2001-01-25	Datenwiedergabe
DE69834761D1 (de)	2006-07-20	Magnetisches Aufzeichnungsmedium
DE69800551D1 (de)	2001-04-05	Plattenkassette
DE69526583D1 (de)	2002-06-06	Übertragung von bohrlochdaten
DE69536089D1 (de)	2010-08-26	Datenaufzeichnungsgerät
DE69900017D1 (de)	2000-12-07	Aufzeichnungsmedium
DE69525309D1 (de)	2002-03-21	Plattenspieler
DE69513108D1 (de)	1999-12-09	Plattenwiedergabegerät
DE69922454D1 (de)	2005-01-13	Plattenspieler
DE69526178D1 (de)	2002-05-08	Datenaufzeichnungsmedium
DE69423797D1 (de)	2000-05-11	Plattenwiedergabegerät
DE69937982D1 (de)	2008-03-06	Plattenspieler
DE69836238D1 (de)	2006-12-07	Magnetisches Aufzeichnungsmedium
DE19782243T1 (de)	1999-12-02	Magnetaufzeichnungsmedium
DE69501242D1 (de)	1998-01-29	Plattenspieler
DE69826878D1 (de)	2004-11-11	Wiederkodierung von dekodierten signalen
DE69123102D1 (de)	1996-12-19	Wiedergabe von Bildmusterdaten

Legal Events

Date	Code	Title	Description
2002-09-26	8139	Disposal/non-payment of the annual fee