KR910000209B1 - 자기 디스크 장치의 기록/재생 방법 및 장치 - Google Patents
자기 디스크 장치의 기록/재생 방법 및 장치 Download PDFInfo
- Publication number
- KR910000209B1 KR910000209B1 KR1019870003773A KR870003773A KR910000209B1 KR 910000209 B1 KR910000209 B1 KR 910000209B1 KR 1019870003773 A KR1019870003773 A KR 1019870003773A KR 870003773 A KR870003773 A KR 870003773A KR 910000209 B1 KR910000209 B1 KR 910000209B1
- Authority
- KR
- South Korea
- Prior art keywords
- command
- recording
- head
- data
- 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 title claims description 30
- 238000001514 detection method Methods 0.000 claims description 24
- 238000013459 approach Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 8
- 230000004886 head movement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- G11B5/02—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
- Signal Processing For Digital Recording And Reproducing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP89935 | 1986-04-21 | ||
| JP61-89935 | 1986-04-21 | ||
| 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 |
|---|---|
| KR870010483A KR870010483A (ko) | 1987-11-30 |
| KR910000209B1 true KR910000209B1 (ko) | 1991-01-23 |
Family
ID=13984554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870003773A Expired KR910000209B1 (ko) | 1986-04-21 | 1987-04-20 | 자기 디스크 장치의 기록/재생 방법 및 장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4803572A (enExample) |
| JP (1) | JPS62248168A (enExample) |
| KR (1) | KR910000209B1 (enExample) |
| DE (1) | DE3713397A1 (enExample) |
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 |
| EP0507907B1 (en) * | 1990-09-18 | 1999-01-13 | Rodime PLC | Digital servo control system for use in disk drives |
| 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 |
| GB2366660B (en) | 1999-07-23 | 2004-01-07 | Seagate Technology Llc | Repeatable runout compensation using a learning algorithm with scheduled parameters |
| 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 |
|---|---|
| US4803572A (en) | 1989-02-07 |
| DE3713397A1 (de) | 1987-10-22 |
| DE3713397C2 (enExample) | 1989-05-24 |
| KR870010483A (ko) | 1987-11-30 |
| JPS62248168A (ja) | 1987-10-29 |
| JPH0565950B2 (enExample) | 1993-09-20 |
Similar Documents
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|---|---|---|
| KR910000209B1 (ko) | 자기 디스크 장치의 기록/재생 방법 및 장치 | |
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| JPH07262539A (ja) | 磁気ディスク装置 | |
| US5099368A (en) | Method of accessing a medium with low power consumption and a recording/reproducing apparatus for realizing the same | |
| JPH04301278A (ja) | データ記録再生装置 | |
| JPH1139659A (ja) | 光ディスク装置 | |
| JPS63224083A (ja) | 磁気デイスク装置 | |
| JPS62248169A (ja) | 磁気デイスク装置システム | |
| JPH01253802A (ja) | リードエラー回復機能を有する磁気記録装置 | |
| JPH04330678A (ja) | 磁気記録再生装置 | |
| US4860131A (en) | Method for recorrecting head position in a disk drive | |
| US6661964B1 (en) | Signal recording and reproducing method and storage medium processor | |
| KR100205287B1 (ko) | 하드 디스크 드라이브의 액츄에이터 언래칭 감지장치 및 방법 | |
| KR100640607B1 (ko) | 데이터 저장 시스템의 이상 상태 복원 제어 방법 및 이를이용한 디스크 드라이브 | |
| US5926447A (en) | Method for enhancing the data access time in an optical disc apparatus | |
| JP2665361B2 (ja) | ディスク装置のエラー回復方式 | |
| JPH0652589A (ja) | 光磁気ディスク装置 | |
| JPH0324690B2 (enExample) | ||
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| JPH0547109A (ja) | 磁気デイスク装置 | |
| JP2000011481A (ja) | 再生装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19870420 |
|
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19870420 Comment text: Request for Examination of Application |
|
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19900908 Patent event code: PE09021S01D |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19901205 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19910422 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19910531 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
Payment date: 19910531 End annual number: 3 Start annual number: 1 |
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| PR1001 | Payment of annual fee |
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| FPAY | Annual fee payment |
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| PR1001 | Payment of annual fee |
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| EXPY | Expiration of term | ||
| PC1801 | Expiration of term |