SG49880A1 - A track address pattern for a magnetic disk apparatus - Google Patents
A track address pattern for a magnetic disk apparatusInfo
- Publication number
- SG49880A1 SG49880A1 SG1996008091A SG1996008091A SG49880A1 SG 49880 A1 SG49880 A1 SG 49880A1 SG 1996008091 A SG1996008091 A SG 1996008091A SG 1996008091 A SG1996008091 A SG 1996008091A SG 49880 A1 SG49880 A1 SG 49880A1
- Authority
- SG
- Singapore
- Prior art keywords
- magnetic disk
- disk apparatus
- track address
- address pattern
- pattern
- Prior art date
Links
Classifications
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2130745A JP2946636B2 (ja) | 1990-05-21 | 1990-05-21 | 磁気ディスク装置のトラックアドレスパターン |
Publications (1)
Publication Number | Publication Date |
---|---|
SG49880A1 true SG49880A1 (en) | 1998-06-15 |
Family
ID=15041622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996008091A SG49880A1 (en) | 1990-05-21 | 1991-05-21 | A track address pattern for a magnetic disk apparatus |
Country Status (6)
Country | Link |
---|---|
US (1) | US5274510A (fr) |
EP (1) | EP0459265B1 (fr) |
JP (1) | JP2946636B2 (fr) |
KR (1) | KR100236358B1 (fr) |
DE (1) | DE69118244T2 (fr) |
SG (1) | SG49880A1 (fr) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5604725A (en) * | 1993-12-16 | 1997-02-18 | Sharp Kabushiki Kaisha | Information recording method and collector and distributor for recording information |
KR100189519B1 (ko) * | 1993-12-18 | 1999-06-01 | 윤종용 | 하드디스크 드라이버의 그레이 코드 디코딩회로 |
US5485321A (en) * | 1993-12-29 | 1996-01-16 | Storage Technology Corporation | Format and method for recording optimization |
JP2635939B2 (ja) * | 1994-09-29 | 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 | 情報記録媒体、ヘッド位置識別情報の生成方法、ヘッド位置判定方法、及び情報記録・読取装置 |
US5646950A (en) * | 1994-11-18 | 1997-07-08 | Seagate Technology, Inc. | Matched spectral null codes for partial response channels |
US5847894A (en) * | 1994-12-30 | 1998-12-08 | International Business Machines Corporation | Disk and storage device having an anti-alias data pattern located on a servo sector |
US6424479B1 (en) | 1995-01-20 | 2002-07-23 | Sony Corporation | Magnetic disk having address information in a form which represents grey code between neighboring recording tracks and a reproducing apparatus therefor |
KR0131412B1 (ko) * | 1995-02-24 | 1998-04-18 | 김광호 | 디지탈 서보 제어방식 디스크 구동 기록 장치의 헤드위치 검출방법 |
US5617536A (en) * | 1995-03-02 | 1997-04-01 | International Business Machines Corporation | Method and apparatus for servo control with error detection of gray (pennington) code used for servo track ID |
US7126775B1 (en) | 1995-03-09 | 2006-10-24 | Cirrus Logic, Inc. | Servo track address channel code for d=1 magnetic recording |
US5737142A (en) * | 1995-03-31 | 1998-04-07 | Cirrus Logic, Inc. | Servo track address channel code for PR4 magnetic recording |
US5600506A (en) * | 1995-05-10 | 1997-02-04 | Conner Peripherals, Inc. | Apparatus and method for determining the position of a transducer relative to a disk surface in a disk drive system |
US5892634A (en) * | 1995-05-23 | 1999-04-06 | Kabushiki Kaisha Toshiba | Method and apparatus for heat positioning control in disk storage system |
WO1996041342A1 (fr) * | 1995-06-07 | 1996-12-19 | Seagate Technology, Inc. | CODE A RAPPORT n/(n+1) POUR LE CODAGE D'ADRESSES D'ASSERVISSEMENT INTEGREES |
US5949358A (en) * | 1995-06-07 | 1999-09-07 | Seagate Technology, Inc. | Rate n(n+1) code for embedded servo address encoding |
KR0159441B1 (ko) * | 1995-08-28 | 1999-01-15 | 김광호 | 고용량 하드 디스크 드라이브 구현을 위한 디스크 기록매체와 그에 따른 서보제어방법 |
JPH09128916A (ja) | 1995-10-31 | 1997-05-16 | Fujitsu Ltd | ディスク装置 |
US5867341A (en) * | 1996-01-30 | 1999-02-02 | Seagate Technology, Inc. | Disc drive system using multiple pairs of embedded servo bursts |
US5757567A (en) * | 1996-02-08 | 1998-05-26 | International Business Machines Corporation | Method and apparatus for servo control with high efficiency gray code for servo track ID |
US5737145A (en) * | 1996-06-04 | 1998-04-07 | Samsung Electronics Co., Ltd. | Method for generating index pulse with index pattern |
KR100421337B1 (ko) * | 1996-06-17 | 2004-05-24 | 삼성전자주식회사 | 트랙정보 독출 에러 검증정보를 가지는 그레이코드구간을기록한기록매체및그독출장치 |
US5828508A (en) * | 1996-10-17 | 1998-10-27 | Maxtor Corporation | Technique for reducing overhead in a data storage system |
KR100448733B1 (ko) * | 1996-12-31 | 2004-11-16 | 삼성전자주식회사 | 하드 디스크 드라이브의 그레이코드 디코딩회로 |
US6005727A (en) * | 1997-01-28 | 1999-12-21 | Cirrus Logic, Inc. | Servo decoder for decoding an error correcting servo code recorded on a disc storage medium |
US6115198A (en) * | 1997-10-29 | 2000-09-05 | Cirrus Logic, Inc. | PR4 sampled amplitude read channel for detecting user data and embedded servo data |
SG97769A1 (en) * | 1997-11-06 | 2003-08-20 | Caleb Technology Corp | Servo sector architecture for a high-density, removable media-type disk |
US6345074B1 (en) | 1998-03-20 | 2002-02-05 | Cirrus Logic, Inc. | Maximum likelihood servo detector for detecting an error correcting servo code recorded on a disc storage medium |
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 |
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 |
JP4074262B2 (ja) * | 2004-03-31 | 2008-04-09 | 株式会社東芝 | 磁気記録媒体およびその製造方法ならびに磁気記録再生装置 |
JP4331066B2 (ja) * | 2004-07-16 | 2009-09-16 | 株式会社東芝 | 磁気記録媒体、磁気記録装置、およびスタンパ |
JP4098784B2 (ja) * | 2005-02-03 | 2008-06-11 | 株式会社東芝 | 磁気記録媒体、磁気記録装置、スタンパおよびスタンパの製造方法 |
JP2006260713A (ja) * | 2005-03-18 | 2006-09-28 | Toshiba Corp | 記録媒体、記録再生装置及び記録再生方法 |
JP4649262B2 (ja) | 2005-04-19 | 2011-03-09 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4542953B2 (ja) * | 2005-06-10 | 2010-09-15 | 株式会社東芝 | 磁気ディスク媒体および磁気記録再生装置 |
JP4533854B2 (ja) * | 2006-03-06 | 2010-09-01 | 株式会社東芝 | 磁気記録再生装置、磁気記録方法、及び磁気記録再生方法 |
JP4585476B2 (ja) | 2006-03-16 | 2010-11-24 | 株式会社東芝 | パターンド媒体および磁気記録装置 |
JP4675812B2 (ja) | 2006-03-30 | 2011-04-27 | 株式会社東芝 | 磁気記録媒体、磁気記録装置および磁気記録媒体の製造方法 |
JP2007273042A (ja) * | 2006-03-31 | 2007-10-18 | Toshiba Corp | 磁気記録媒体及び磁気記録再生装置 |
JP4327824B2 (ja) * | 2006-06-30 | 2009-09-09 | 株式会社東芝 | 磁気ディスク装置、サーボ書込み方法及び検査方法 |
US7715137B2 (en) * | 2006-10-19 | 2010-05-11 | Hitachi Global Storage Technologies Netherlands B.V. | Servo patterns for patterned media |
JP2008282512A (ja) | 2007-05-14 | 2008-11-20 | Toshiba Corp | 磁気記録媒体及び磁気記録再生装置 |
JP4382843B2 (ja) | 2007-09-26 | 2009-12-16 | 株式会社東芝 | 磁気記録媒体およびその製造方法 |
US7916415B1 (en) | 2008-03-27 | 2011-03-29 | Western Digital Technologies, Inc. | Disk drive decoding binary sequence from phases of servo bursts |
US7710676B1 (en) * | 2008-03-27 | 2010-05-04 | Western Digital Technologies, Inc. | Disk drive comprising gray code implemented with servo bursts |
JP5052639B2 (ja) * | 2010-03-31 | 2012-10-17 | 株式会社東芝 | 送信装置および受信装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4032984A (en) * | 1975-04-28 | 1977-06-28 | Burroughs Corporation | Transducer positioning system for providing both coarse and fine positioning |
US4530019A (en) * | 1984-06-04 | 1985-07-16 | Dma Systems | Servo pattern |
US4777542A (en) * | 1985-04-26 | 1988-10-11 | Mitsubishi Denki Kabushiki Kaisha | Data recording method |
US4823212A (en) * | 1986-11-26 | 1989-04-18 | Hewlett-Packard Company | Sampled servo code format and system for a disc drive |
FR2615995A1 (fr) * | 1987-05-27 | 1988-12-02 | Bull Sa | Mode d'ecriture d'informations sur un support d'enregistrement magnetique |
US4977472A (en) * | 1988-03-28 | 1990-12-11 | Seagate Technology, Inc. | Servo address system |
JPH0821213B2 (ja) * | 1988-08-05 | 1996-03-04 | 富士通株式会社 | セクターサーボ情報検出方法 |
JPH02154361A (ja) * | 1988-12-05 | 1990-06-13 | Mitsubishi Electric Corp | 磁気ディスク装置 |
-
1990
- 1990-05-21 JP JP2130745A patent/JP2946636B2/ja not_active Expired - Fee Related
-
1991
- 1991-05-20 US US07/703,200 patent/US5274510A/en not_active Expired - Lifetime
- 1991-05-20 KR KR1019910008140A patent/KR100236358B1/ko not_active Expired - Fee Related
- 1991-05-21 SG SG1996008091A patent/SG49880A1/en unknown
- 1991-05-21 DE DE69118244T patent/DE69118244T2/de not_active Expired - Fee Related
- 1991-05-21 EP EP91108132A patent/EP0459265B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR910020701A (ko) | 1991-12-20 |
KR100236358B1 (ko) | 2000-01-15 |
EP0459265B1 (fr) | 1996-03-27 |
DE69118244T2 (de) | 1996-08-22 |
EP0459265A2 (fr) | 1991-12-04 |
EP0459265A3 (en) | 1992-09-02 |
JP2946636B2 (ja) | 1999-09-06 |
DE69118244D1 (de) | 1996-05-02 |
US5274510A (en) | 1993-12-28 |
JPH0426958A (ja) | 1992-01-30 |
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