SG85611A1 - Head positioning control apparatus and method therefor - Google Patents
Head positioning control apparatus and method thereforInfo
- Publication number
- SG85611A1 SG85611A1 SG9900002A SG1999000002A SG85611A1 SG 85611 A1 SG85611 A1 SG 85611A1 SG 9900002 A SG9900002 A SG 9900002A SG 1999000002 A SG1999000002 A SG 1999000002A SG 85611 A1 SG85611 A1 SG 85611A1
- Authority
- SG
- Singapore
- Prior art keywords
- control apparatus
- method therefor
- positioning control
- head positioning
- head
- Prior art date
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
- G11B5/59627—Aligning for runout, eccentricity or offset compensation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10003325A JPH11203805A (ja) | 1998-01-09 | 1998-01-09 | ヘツド位置決め制御装置及びその方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG85611A1 true SG85611A1 (en) | 2002-01-15 |
Family
ID=11554216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG9900002A SG85611A1 (en) | 1998-01-09 | 1999-01-04 | Head positioning control apparatus and method therefor |
Country Status (4)
Country | Link |
---|---|
US (1) | US6469861B2 (ja) |
JP (1) | JPH11203805A (ja) |
MY (1) | MY133012A (ja) |
SG (1) | SG85611A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7992172B1 (en) * | 1999-04-15 | 2011-08-02 | Cox Communications, Inc. | Method and systems for multicast using multiple transport streams |
JP2001076451A (ja) * | 1999-09-06 | 2001-03-23 | Toshiba Corp | ディスク記憶装置におけるヘッド位置決め制御システム及びヘッド位置決め制御方法 |
JP2002124047A (ja) * | 2000-10-11 | 2002-04-26 | Sony Corp | 磁気ディスク装置 |
SG103906A1 (en) * | 2002-03-13 | 2004-05-26 | Toshiba Kk | Method and apparatus for head positioning control in a disk drive |
US6937422B2 (en) * | 2002-11-07 | 2005-08-30 | Hitachi Global Technologies Netherlands B.V. | Self-monitoring and self-healing of frequency specific position errors in a data storage device |
TWI292905B (en) * | 2005-06-20 | 2008-01-21 | Mediatek Inc | Control circuit of optical storage device and method thereof |
JP4150032B2 (ja) | 2005-06-27 | 2008-09-17 | 富士通株式会社 | ヘッド位置制御方法、ヘッド位置制御装置およびディスク装置 |
JP4498301B2 (ja) | 2006-03-30 | 2010-07-07 | 東芝ストレージデバイス株式会社 | 位置決め制御装置の整定判定方法及び位置決め制御装置 |
US20070279782A1 (en) * | 2006-05-31 | 2007-12-06 | Rydhan Abdul R | Method and apparatus for determining offset between read and write transducers in a disk drive |
JP4802060B2 (ja) * | 2006-07-28 | 2011-10-26 | 東芝ストレージデバイス株式会社 | ヘッド位置決め制御方法、ヘッド位置決め制御装置およびディスク装置 |
US7826170B2 (en) * | 2008-09-18 | 2010-11-02 | Hitachi Global Storage Technologies Netherlands, B.V | Apparatus and method for adjusting a feed-forward signal for seek control during a seek operation |
US20100079906A1 (en) * | 2008-09-29 | 2010-04-01 | Wile Donald T | Adaptive Feed Forward Rotational Vibration Compensation During a SEEK Operation |
KR20120019019A (ko) * | 2010-08-24 | 2012-03-06 | 삼성전자주식회사 | 외란 보상 방법 및 장치와 이를 적용한 디스크 드라이브 및 저장매체 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5177718A (en) * | 1988-10-31 | 1993-01-05 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
US5339206A (en) * | 1992-03-31 | 1994-08-16 | Fujitsu Limited | Positioning control method and apparatus of head which is used in magnetic disk apparatus |
JPH08306143A (ja) * | 1995-04-28 | 1996-11-22 | Fujitsu Ltd | ヘッド位置信号処理装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969059A (en) * | 1988-03-28 | 1990-11-06 | Rigidyne Corporation | Offset nulling system for computer disk drives |
US5550685A (en) * | 1993-10-22 | 1996-08-27 | Syquest Technology, Inc. | Applying an adaptive feed-forward algorithm as a frequency selective filter in a closed loop disk drive servo system in order to compensate for periodic perturbations which otherwise appear in the servo system position error signal |
US5592346A (en) * | 1994-03-31 | 1997-01-07 | Polaroid Corporation | Control system utilizing an adaptive predictor to compensate for harmonic distortion |
US5949605A (en) * | 1996-03-19 | 1999-09-07 | Seagate Technology, Inc. | Cancellation and calibration procedures of harmonic disturbances in magnetic data storage systems |
US6141175A (en) * | 1997-10-08 | 2000-10-31 | Western Digital Corporation | Repeatable runout cancellation in sectored servo disk drive positioning system |
-
1998
- 1998-01-09 JP JP10003325A patent/JPH11203805A/ja active Pending
-
1999
- 1999-01-04 SG SG9900002A patent/SG85611A1/en unknown
- 1999-01-05 MY MYPI99000021A patent/MY133012A/en unknown
- 1999-01-06 US US09/225,936 patent/US6469861B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5177718A (en) * | 1988-10-31 | 1993-01-05 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
US5339206A (en) * | 1992-03-31 | 1994-08-16 | Fujitsu Limited | Positioning control method and apparatus of head which is used in magnetic disk apparatus |
JPH08306143A (ja) * | 1995-04-28 | 1996-11-22 | Fujitsu Ltd | ヘッド位置信号処理装置 |
Also Published As
Publication number | Publication date |
---|---|
MY133012A (en) | 2007-10-31 |
JPH11203805A (ja) | 1999-07-30 |
US6469861B2 (en) | 2002-10-22 |
US20020122269A1 (en) | 2002-09-05 |
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