DE3713397C2 - - Google Patents
Info
- Publication number
- DE3713397C2 DE3713397C2 DE3713397A DE3713397A DE3713397C2 DE 3713397 C2 DE3713397 C2 DE 3713397C2 DE 3713397 A DE3713397 A DE 3713397A DE 3713397 A DE3713397 A DE 3713397A DE 3713397 C2 DE3713397 C2 DE 3713397C2
- Authority
- DE
- Germany
- Prior art keywords
- read
- head
- write
- command
- track
- 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
Links
- 238000000034 method Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 15
- 238000013459 approach Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000004886 head movement Effects 0.000 description 3
- 206010012289 Dementia Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- 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
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61089935A JPS62248168A (ja) | 1986-04-21 | 1986-04-21 | 磁気デイスク装置の記録／再生方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3713397A1 DE3713397A1 (de) | 1987-10-22 |
| DE3713397C2 true DE3713397C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-05-24 |
Family
ID=13984554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873713397 Granted DE3713397A1 (de) | 1986-04-21 | 1987-04-21 | Verfahren und vorrichtung zur datenaufnahme und -wiedergabe auf speicherplatten |
Country Status (4)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5257255A (en) * | 1988-03-30 | 1993-10-26 | Canon Denshi Kabushiki Kaisha | Recording and/or reproducing apparatus with sensor for detecting head speed or acceleration |
| JPH02297702A (ja) * | 1989-05-11 | 1990-12-10 | Teac Corp | ディスク装置 |
| 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 |
| US5150266A (en) * | 1990-04-30 | 1992-09-22 | Seagate Technology, Inc. | Hard disk drive adaptation based on approach time measurement |
| US5153789A (en) * | 1990-06-26 | 1992-10-06 | Digital Equipment Corporation | Methods and apparatus for optimizing track seeking operations |
| ES2129414T3 (es) * | 1990-09-18 | 1999-06-16 | Rodime Plc | Sistema de control digital para unidades de disco. |
| US5694265A (en) * | 1994-04-19 | 1997-12-02 | Fujitsu Limited | Disk apparatus for detecting position of head by reading phase servo pattern |
| US6327111B1 (en) * | 1994-07-15 | 2001-12-04 | Seagate Technology Llc | System for reducing controller delays during sequential data transfers in a disc drive |
| JPH08124294A (ja) * | 1994-10-26 | 1996-05-17 | Canon Inc | 記録再生システム |
| JPH08293176A (ja) * | 1995-04-21 | 1996-11-05 | Fujitsu Ltd | ディスク装置 |
| KR100223633B1 (ko) * | 1996-12-31 | 1999-10-15 | 윤종용 | 하드 디스크 드라이브에서 헤드속도 측정을 이용한 안정 기록방법 |
| KR20020001742A (ko) | 1999-02-22 | 2002-01-09 | 추후 | 반복 가능한 런아웃 에러 보상 |
| DE19983952T1 (de) | 1999-05-07 | 2002-06-20 | Seagate Technology Llc | Kompensation wiederholbaren Auslaufens mit iterativer Lernsteuerung bei einem Plattenspeichersystem |
| JP2003505818A (ja) | 1999-07-23 | 2003-02-12 | シーゲイト テクノロジー エルエルシー | パラメータがスケジュールされている学習アルゴリズムを使用した再現可能なランナウト補正 |
| US6952320B1 (en) | 1999-12-16 | 2005-10-04 | Seagate Technology Llc | Virtual tracks for repeatable runout compensation |
| JP4481747B2 (ja) * | 2004-07-05 | 2010-06-16 | 東芝ストレージデバイス株式会社 | 磁気ディスク装置、磁気ディスク制御方法、磁気ディスク制御プログラム |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57109151A (en) * | 1980-12-26 | 1982-07-07 | Tokyo Electric Co Ltd | Tape recorder |
| JPS58159166A (ja) * | 1982-03-17 | 1983-09-21 | Fujitsu Ltd | 磁気ディスク装置のシーク動作完了通知方法 |
-
1986
- 1986-04-21 JP JP61089935A patent/JPS62248168A/ja active Granted
-
1987
- 1987-04-20 US US07/040,126 patent/US4803572A/en not_active Expired - Lifetime
- 1987-04-20 KR KR1019870003773A patent/KR910000209B1/ko not_active Expired
- 1987-04-21 DE DE19873713397 patent/DE3713397A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62248168A (ja) | 1987-10-29 |
| DE3713397A1 (de) | 1987-10-22 |
| US4803572A (en) | 1989-02-07 |
| JPH0565950B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-09-20 |
| KR910000209B1 (ko) | 1991-01-23 |
| KR870010483A (ko) | 1987-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HITACHI COMPUTER PERIPHERALS CO., LTD., ODAWARA, K Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD., O |