ATE155603T1 - System zum thermischen kalibrieren von einem festplattenlaufwerk - Google Patents
System zum thermischen kalibrieren von einem festplattenlaufwerkInfo
- Publication number
- ATE155603T1 ATE155603T1 AT93900698T AT93900698T ATE155603T1 AT E155603 T1 ATE155603 T1 AT E155603T1 AT 93900698 T AT93900698 T AT 93900698T AT 93900698 T AT93900698 T AT 93900698T AT E155603 T1 ATE155603 T1 AT E155603T1
- Authority
- AT
- Austria
- Prior art keywords
- hard disk
- read
- phase information
- write head
- correction function
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 2
- 230000005055 memory storage Effects 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 abstract 1
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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
- G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Protection Of Generators And Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79746791A | 1991-11-22 | 1991-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE155603T1 true ATE155603T1 (de) | 1997-08-15 |
Family
ID=25170916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT93900698T ATE155603T1 (de) | 1991-11-22 | 1992-11-20 | System zum thermischen kalibrieren von einem festplattenlaufwerk |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5523899A (de) |
| EP (1) | EP0613578B1 (de) |
| AT (1) | ATE155603T1 (de) |
| DE (1) | DE69220961D1 (de) |
| WO (1) | WO1993010525A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010821A1 (en) * | 1994-09-30 | 1996-04-11 | Maxtor Corporation | Off-track pes calibration for a magneto-resistive element |
| JPH08202506A (ja) * | 1995-01-30 | 1996-08-09 | Fujitsu Ltd | データ転送制御装置及びデータ転送制御方法 |
| US6449686B1 (en) * | 1997-03-06 | 2002-09-10 | Micron Technology, Inc. | Method and apparatus for determining removable magnetic media types in a computer after detection of a read error condition |
| US6690311B2 (en) * | 1998-11-20 | 2004-02-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptively calibrating analog-to-digital conversion with correction table indexing |
| US6906883B2 (en) * | 2000-09-14 | 2005-06-14 | Samsung Electronics Ltd., Co. | Servo defect management scheme in hard disk drives |
| US6724553B2 (en) | 2001-03-26 | 2004-04-20 | Samsung Electronics Co., Ltd. | Method and apparatus for generating the optimum read timing for read and write offset of a magneto resistive head |
| KR100438770B1 (ko) * | 2001-05-28 | 2004-07-05 | 삼성전자주식회사 | 데이터 저장 시스템의 설계 파라미터 최적화 방법 및최적화된 설계 파라미터 적용 방법 |
| KR100468764B1 (ko) * | 2001-09-13 | 2005-01-29 | 삼성전자주식회사 | 디스크 위의 위치 정보를 제공하는 방법 및 장치 |
| US6791780B2 (en) | 2001-10-15 | 2004-09-14 | Samsung Electronics Co., Inc. | Method and apparatus for providing write current optimization |
| JP2008204494A (ja) * | 2007-02-16 | 2008-09-04 | Fujitsu Ltd | 記憶装置、記憶制御回路及びヘッド位置ずれ測定方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4205338A (en) * | 1977-11-03 | 1980-05-27 | Laser File Inc. | Disc recording tracking system |
| US4454549A (en) * | 1982-06-28 | 1984-06-12 | International Business Machines Corporation | Slant track sector servo |
| US4633345A (en) * | 1985-05-24 | 1986-12-30 | International Business Machines Corp. | Positioning misaligned disk heads |
| US4745497A (en) * | 1985-08-12 | 1988-05-17 | Fuji Electric Company Ltd. | Digital head position controller with triangle wave comparison |
| JPS6262487A (ja) * | 1985-09-12 | 1987-03-19 | Fuji Electric Co Ltd | デイスク記憶装置の読み書きヘツドの位置決め方法 |
| JPS639086A (ja) * | 1986-06-30 | 1988-01-14 | Alps Electric Co Ltd | 磁気デイスク駆動装置 |
| JPS6316476A (ja) * | 1986-07-08 | 1988-01-23 | Fuji Electric Co Ltd | デイスク記憶装置のヘツド位置補正制御方式 |
| JPS63131385A (ja) * | 1986-11-10 | 1988-06-03 | マグネチツク ペリフエラルズ インコ−ポレ−テツド | デ−タトラックに対するデ−タ書込/取出し装置 |
| US5005089A (en) * | 1988-05-10 | 1991-04-02 | Quantum Corp. | High performance, high capacity micro-winchester disk drive |
| US4890172A (en) * | 1988-09-27 | 1989-12-26 | Digital Equipment Corporation | Automatic servo gain calibration system for a disk drive |
| US5040084A (en) * | 1989-04-06 | 1991-08-13 | Digisys Corporation | Disk drive system and method |
| JPH03120676A (ja) * | 1989-09-29 | 1991-05-22 | Internatl Business Mach Corp <Ibm> | ヘッド位置決めシステム |
| US5185681A (en) * | 1990-09-28 | 1993-02-09 | Seagate | Thermal offset compensation for high density disk drives |
-
1992
- 1992-11-20 EP EP93900698A patent/EP0613578B1/de not_active Expired - Lifetime
- 1992-11-20 DE DE69220961T patent/DE69220961D1/de not_active Expired - Lifetime
- 1992-11-20 AT AT93900698T patent/ATE155603T1/de not_active IP Right Cessation
- 1992-11-20 WO PCT/US1992/010246 patent/WO1993010525A1/en not_active Ceased
-
1995
- 1995-10-06 US US08/540,570 patent/US5523899A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69220961D1 (de) | 1997-08-21 |
| EP0613578A1 (de) | 1994-09-07 |
| EP0613578B1 (de) | 1997-07-16 |
| EP0613578A4 (de) | 1994-11-23 |
| WO1993010525A1 (en) | 1993-05-27 |
| US5523899A (en) | 1996-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |