DE4390305T1 - Magnetplattenvorrichtung mit verbesserter Positionierungssteuerung des Magnetkopfes - Google Patents
Magnetplattenvorrichtung mit verbesserter Positionierungssteuerung des MagnetkopfesInfo
- Publication number
- DE4390305T1 DE4390305T1 DE4390305T DE4390305T DE4390305T1 DE 4390305 T1 DE4390305 T1 DE 4390305T1 DE 4390305 T DE4390305 T DE 4390305T DE 4390305 T DE4390305 T DE 4390305T DE 4390305 T1 DE4390305 T1 DE 4390305T1
- Authority
- DE
- Germany
- Prior art keywords
- disk device
- positioning control
- improved positioning
- magnetic
- magnetic 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.)
- Pending
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
- 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
- G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns
-
- 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
- G11B5/59605—Circuits
- G11B5/59622—Gain control; Filters
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4016186A JP2608220B2 (ja) | 1992-01-31 | 1992-01-31 | 磁気ディスク装置のポジション感度調整方法 |
PCT/JP1993/000110 WO1993015505A1 (en) | 1992-01-31 | 1993-01-29 | Magnetic disk apparatus with improved positioning control of magnetic head |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4390305T1 true DE4390305T1 (de) | 1997-07-31 |
Family
ID=11909486
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4390305T Pending DE4390305T1 (de) | 1992-01-31 | 1993-01-29 | Magnetplattenvorrichtung mit verbesserter Positionierungssteuerung des Magnetkopfes |
DE4390305A Expired - Fee Related DE4390305C2 (de) | 1992-01-31 | 1993-01-29 | Plattenspeicheranordnung und Kopfpositionierungssignalerzeugungsschaltung sowie Verfahren zum Steuern einer Position eines Kopfes auf einer Platte |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4390305A Expired - Fee Related DE4390305C2 (de) | 1992-01-31 | 1993-01-29 | Plattenspeicheranordnung und Kopfpositionierungssignalerzeugungsschaltung sowie Verfahren zum Steuern einer Position eines Kopfes auf einer Platte |
Country Status (4)
Country | Link |
---|---|
US (1) | US5541785A (de) |
JP (1) | JP2608220B2 (de) |
DE (2) | DE4390305T1 (de) |
WO (1) | WO1993015505A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3275404B2 (ja) * | 1992-03-31 | 2002-04-15 | 三菱化学株式会社 | 情報記録媒体および情報記録装置 |
JP3781380B2 (ja) * | 1995-01-13 | 2006-05-31 | 富士通株式会社 | 位置信号復調方法 |
JP3292621B2 (ja) * | 1995-04-20 | 2002-06-17 | 富士通株式会社 | ディスク装置のポジション感度調整装置及び方法 |
KR100245145B1 (ko) * | 1995-10-24 | 2000-02-15 | 포만 제프리 엘 | 자기헤드의 위치 검출방법 및 자기 디스크 장치 |
JPH09128916A (ja) | 1995-10-31 | 1997-05-16 | Fujitsu Ltd | ディスク装置 |
EP0777215B1 (de) * | 1995-11-30 | 2002-12-11 | Hewlett-Packard Company, A Delaware Corporation | Sinusförmige Verstärkungskorrektur zum Kompensieren der Verstärkungsänderungen eines magnetoresistiven Servokopfes |
KR100271617B1 (ko) | 1997-06-03 | 2000-11-15 | 윤종용 | 드롭다운(DropDown)현상을최소화하기위한예비탐색방법 |
JP3743698B2 (ja) | 1998-07-10 | 2006-02-08 | 富士通株式会社 | 記憶装置及びそのポジション感度設定方法 |
US6943970B2 (en) * | 2001-09-06 | 2005-09-13 | Fujitsu Limited | Position demodulating method and circuit of disk apparatus |
JP2005078774A (ja) * | 2003-09-03 | 2005-03-24 | Toshiba Corp | ディスクドライブ及びヘッド位置決め制御方法 |
CN113475151B (zh) * | 2019-08-16 | 2024-08-20 | 联发科技股份有限公司 | 执行小区激活流程的方法及其装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4551776A (en) * | 1982-12-20 | 1985-11-05 | International Business Machines Corporation | Automatic reference adjustment for position error signal on disk file servo system |
US5027233A (en) * | 1983-08-31 | 1991-06-25 | Unisys Corp. | Method for determining servo position data in a disk drive |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1520350A (en) * | 1976-12-22 | 1978-08-09 | Ibm | Data storage apparatus |
JPS607664A (ja) * | 1983-06-24 | 1985-01-16 | Toshiba Corp | ヘツドの位置決め方式 |
JPS60138786A (ja) * | 1983-12-27 | 1985-07-23 | Fujitsu Ltd | シ−ク制御回路 |
-
1992
- 1992-01-31 JP JP4016186A patent/JP2608220B2/ja not_active Expired - Fee Related
-
1993
- 1993-01-29 WO PCT/JP1993/000110 patent/WO1993015505A1/ja active Application Filing
- 1993-01-29 DE DE4390305T patent/DE4390305T1/de active Pending
- 1993-01-29 DE DE4390305A patent/DE4390305C2/de not_active Expired - Fee Related
- 1993-09-27 US US08/122,481 patent/US5541785A/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4551776A (en) * | 1982-12-20 | 1985-11-05 | International Business Machines Corporation | Automatic reference adjustment for position error signal on disk file servo system |
US5027233A (en) * | 1983-08-31 | 1991-06-25 | Unisys Corp. | Method for determining servo position data in a disk drive |
Also Published As
Publication number | Publication date |
---|---|
JP2608220B2 (ja) | 1997-05-07 |
JPH05210926A (ja) | 1993-08-20 |
US5541785A (en) | 1996-07-30 |
WO1993015505A1 (en) | 1993-08-05 |
DE4390305C2 (de) | 1999-06-10 |
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