CN1087094C - 磁盘驱动器 - Google Patents
磁盘驱动器 Download PDFInfo
- Publication number
- CN1087094C CN1087094C CN 97102269 CN97102269A CN1087094C CN 1087094 C CN1087094 C CN 1087094C CN 97102269 CN97102269 CN 97102269 CN 97102269 A CN97102269 A CN 97102269A CN 1087094 C CN1087094 C CN 1087094C
- Authority
- CN
- China
- Prior art keywords
- signal
- magnetic head
- position signalling
- write
- calculating
- 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
Images
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
- G11B5/59633—Servo formatting
- G11B5/59655—Sector, sample or burst servo format
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP007141/96 | 1996-01-19 | ||
JP00714196A JP3704390B2 (ja) | 1996-01-19 | 1996-01-19 | 磁気ディスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1164104A CN1164104A (zh) | 1997-11-05 |
CN1087094C true CN1087094C (zh) | 2002-07-03 |
Family
ID=11657806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97102269 Expired - Fee Related CN1087094C (zh) | 1996-01-19 | 1997-01-17 | 磁盘驱动器 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0785542B1 (zh) |
JP (1) | JP3704390B2 (zh) |
CN (1) | CN1087094C (zh) |
DE (1) | DE69728196T2 (zh) |
SG (1) | SG45526A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2002091381A1 (fr) * | 2001-04-27 | 2002-11-14 | Fujitsu Limited | Dispositif a disque magnetique et procede de surveillance des vibrations haute frequence |
JP3961456B2 (ja) | 2003-06-30 | 2007-08-22 | 富士通株式会社 | ヘッド位置復調方法及びデイスク装置 |
JP4185067B2 (ja) | 2005-03-30 | 2008-11-19 | 株式会社東芝 | 磁気ディスク装置におけるヘッド位置演算方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4802033A (en) * | 1986-11-07 | 1989-01-31 | Eastman Kodak Company | Predictive positioning offset compensation for high TPI disk systems |
US5170299A (en) * | 1990-08-17 | 1992-12-08 | Quantum Corporation | Edge servo for disk drive head positioner |
US5257149A (en) * | 1991-02-13 | 1993-10-26 | Seagate Technology, Inc. | Disc drive with offset address field |
JP2635912B2 (ja) | 1993-07-19 | 1997-07-30 | 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 | 磁気ヘッドの位置検出方法及び磁気ディスク装置 |
US5400201A (en) * | 1993-10-25 | 1995-03-21 | Syquest Technology, Inc. | Servo burst pattern for removing offset caused by magnetic distortion and method associated therewith |
US5500776A (en) * | 1993-12-16 | 1996-03-19 | Seagate Technology, Inc. | Self-calibration for computer disk read/write offsets |
JPH07287950A (ja) * | 1994-04-15 | 1995-10-31 | Teac Corp | ヘッド位置検出方法及びヘッド位置決め方法 |
-
1996
- 1996-01-13 SG SG1997000066A patent/SG45526A1/en unknown
- 1996-01-19 JP JP00714196A patent/JP3704390B2/ja not_active Expired - Lifetime
-
1997
- 1997-01-14 DE DE69728196T patent/DE69728196T2/de not_active Expired - Fee Related
- 1997-01-14 EP EP19970300191 patent/EP0785542B1/en not_active Expired - Lifetime
- 1997-01-17 CN CN 97102269 patent/CN1087094C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69728196D1 (de) | 2004-04-29 |
DE69728196T2 (de) | 2004-12-02 |
EP0785542A1 (en) | 1997-07-23 |
JP3704390B2 (ja) | 2005-10-12 |
SG45526A1 (en) | 1998-01-16 |
EP0785542B1 (en) | 2004-03-24 |
CN1164104A (zh) | 1997-11-05 |
JPH09198817A (ja) | 1997-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN LTD. Free format text: FORMER OWNER: HITACHI CO., LTD. Effective date: 20031224 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20031224 Address after: Kanagawa, Japan Patentee after: Hitachi Global Scinece Technology Jappan Co., Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020703 Termination date: 20160117 |
|
EXPY | Termination of patent right or utility model |