DE69222563D1 - Magnetplattenantrieb - Google Patents
MagnetplattenantriebInfo
- Publication number
- DE69222563D1 DE69222563D1 DE69222563T DE69222563T DE69222563D1 DE 69222563 D1 DE69222563 D1 DE 69222563D1 DE 69222563 T DE69222563 T DE 69222563T DE 69222563 T DE69222563 T DE 69222563T DE 69222563 D1 DE69222563 D1 DE 69222563D1
- Authority
- DE
- Germany
- Prior art keywords
- disk drive
- magnetic disk
- magnetic
- drive
- disk
- Prior art date
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3098508A JP2653933B2 (ja) | 1991-04-30 | 1991-04-30 | 磁気ディスク装置のオフセット検出方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69222563D1 true DE69222563D1 (de) | 1997-11-13 |
DE69222563T2 DE69222563T2 (de) | 1998-02-12 |
Family
ID=14221591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69222563T Expired - Fee Related DE69222563T2 (de) | 1991-04-30 | 1992-04-30 | Magnetplattenantrieb |
Country Status (5)
Country | Link |
---|---|
US (1) | US5321564A (de) |
EP (1) | EP0511863B1 (de) |
JP (1) | JP2653933B2 (de) |
KR (1) | KR960006334B1 (de) |
DE (1) | DE69222563T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2644182B2 (ja) * | 1993-06-14 | 1997-08-25 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 多重トラック磁気テープ装置を初期化する装置及び方法 |
US5500776A (en) * | 1993-12-16 | 1996-03-19 | Seagate Technology, Inc. | Self-calibration for computer disk read/write offsets |
JPH07254242A (ja) * | 1994-03-16 | 1995-10-03 | Hitachi Ltd | ヘッド切り換え制御装置 |
KR0147228B1 (ko) * | 1994-10-27 | 1998-10-15 | 김광호 | 자기 디스크 구동장치에서 오프-트랙을 이용한 트랙 추종 방법 |
KR100224918B1 (ko) | 1995-09-06 | 1999-10-15 | 윤종용 | 디스크 기록면들의 트랙오프셋에 의한 헤드간 트랙위치 오프셋 보상장치 및 그 방법 |
US6130402A (en) * | 1996-04-26 | 2000-10-10 | Servicio Industrial De Marcaje Y Codification, S.A. | System and process for marking or perforating |
US6351342B1 (en) * | 1996-05-24 | 2002-02-26 | Seagate Technology Llc | Disc drive servo system with dual head sampling |
US6208480B1 (en) | 1997-10-16 | 2001-03-27 | Seagate Technology Llc | Circuit and method for maintaining a rotation position reference on a disc drive with a staggered servo format |
WO2000042602A1 (en) | 1999-01-15 | 2000-07-20 | Seagate Technology Llc | Head switch seek on disc drives with multiple recording heads |
US6538835B1 (en) | 1999-02-22 | 2003-03-25 | Seagate Technology Llc | Position signal distortion compensation during a disc drive seek |
US6510015B2 (en) | 1999-12-10 | 2003-01-21 | Seagate Technology Llc | Magnetic disc having physical servo patterns with a magnetic carrier, and method of making and using the same |
US7193812B2 (en) * | 2003-07-25 | 2007-03-20 | International Business Machines Corporation | Recording head compensation for tape shrinkage and expansion |
KR100585164B1 (ko) | 2004-11-30 | 2006-06-01 | 삼성전자주식회사 | 레퍼런스 서보 트랙 카피 시스템에서의 트랙 제로 위치보정 방법 및 이를 이용한 디스크 드라이브 |
US8792200B1 (en) * | 2013-09-23 | 2014-07-29 | Western Digital Technologies, Inc. | Disk drive employing a temperature dependent write offset |
US10014026B1 (en) | 2017-06-20 | 2018-07-03 | Seagate Technology Llc | Head delay calibration and tracking in MSMR systems |
US10297281B1 (en) | 2017-11-06 | 2019-05-21 | Seagate Technology Llc | Servo sector detection |
US10522177B1 (en) | 2018-07-31 | 2019-12-31 | Seagate Technology Llc | Disc locked clock-based servo timing |
US11018842B1 (en) | 2018-07-31 | 2021-05-25 | Seagate Technology Llc | Dynamic timing recovery bandwidth modulation for phase offset mitigation |
US11016681B1 (en) | 2018-07-31 | 2021-05-25 | Seagate Technology Llc | Multi-threshold parameter adaptation |
US10803902B1 (en) | 2018-08-19 | 2020-10-13 | Seagate Technology Llc | Hardware-based read sample averaging |
US10460762B1 (en) | 2018-09-04 | 2019-10-29 | Seagate Technology Llc | Cancelling adjacent track interference signal with different data rate |
US10468060B1 (en) | 2018-09-27 | 2019-11-05 | Seagate Technology Llc | Cancelling adjacent track interference |
US10783911B1 (en) * | 2020-02-24 | 2020-09-22 | Western Digital Technologies, Inc. | Data storage device bank writing servo sectors for interleaved servo control processing |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5419718A (en) * | 1977-07-14 | 1979-02-14 | Hitachi Ltd | Locating system of high accuracy |
JPS56134366A (en) * | 1980-02-14 | 1981-10-21 | Mitsubishi Electric Corp | Disk device |
US5023733A (en) * | 1985-12-16 | 1991-06-11 | Seiko Epson Corporation | Head positioning control for a spindle motor disk drive |
JPS6363184A (ja) * | 1986-09-02 | 1988-03-19 | Seiko Epson Corp | 磁気記録装置 |
AU8091887A (en) * | 1986-11-10 | 1988-05-12 | Seagate Technology, Inc. | Dual track servo system |
JPS63244382A (ja) * | 1987-03-31 | 1988-10-11 | Toshiba Corp | 磁気デイスク装置 |
JPS63273284A (ja) * | 1987-04-30 | 1988-11-10 | Toshiba Corp | 磁気記録再生装置のサ−ボ方式 |
JPH0192971A (ja) * | 1987-10-05 | 1989-04-12 | Hitachi Ltd | 磁気ディスク装置のヘッド位置決め機構 |
JPH01264674A (ja) * | 1988-04-15 | 1989-10-20 | Hitachi Ltd | サーボ制御方法およびその装置 |
JPH02220262A (ja) * | 1989-02-20 | 1990-09-03 | Fujitsu Ltd | ディスク装置のヘッド切替方式 |
JPH0337875A (ja) * | 1989-07-04 | 1991-02-19 | Toshiba Corp | データ記録再生装置のヘッド駆動制御装置 |
-
1991
- 1991-04-30 JP JP3098508A patent/JP2653933B2/ja not_active Expired - Fee Related
-
1992
- 1992-04-28 US US07/875,080 patent/US5321564A/en not_active Expired - Lifetime
- 1992-04-30 DE DE69222563T patent/DE69222563T2/de not_active Expired - Fee Related
- 1992-04-30 EP EP92303908A patent/EP0511863B1/de not_active Expired - Lifetime
- 1992-04-30 KR KR1019920007365A patent/KR960006334B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0511863A2 (de) | 1992-11-04 |
EP0511863A3 (en) | 1993-02-10 |
JP2653933B2 (ja) | 1997-09-17 |
DE69222563T2 (de) | 1998-02-12 |
JPH05189902A (ja) | 1993-07-30 |
EP0511863B1 (de) | 1997-10-08 |
US5321564A (en) | 1994-06-14 |
KR920020409A (ko) | 1992-11-21 |
KR960006334B1 (ko) | 1996-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |