HK1009200A1 - Adaptive control of a write inhibit signal in a disk drive - Google Patents
Adaptive control of a write inhibit signal in a disk driveInfo
- Publication number
- HK1009200A1 HK1009200A1 HK98109945A HK98109945A HK1009200A1 HK 1009200 A1 HK1009200 A1 HK 1009200A1 HK 98109945 A HK98109945 A HK 98109945A HK 98109945 A HK98109945 A HK 98109945A HK 1009200 A1 HK1009200 A1 HK 1009200A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- disk drive
- adaptive control
- inhibit signal
- write inhibit
- write
- Prior art date
Links
Classifications
-
- 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
- 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
- G11B19/14—Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements
-
- 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
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
- G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
- G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/450,170 US5570244A (en) | 1995-05-25 | 1995-05-25 | Method and apparatus for controlling assertion of a write inhibit signal using separate threshold values for each of a plurality of recording surfaces |
PCT/US1996/006847 WO1996037890A1 (en) | 1995-05-25 | 1996-05-14 | Adaptive control of a write inhibit signal in a disk drive |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1009200A1 true HK1009200A1 (en) | 1999-05-28 |
Family
ID=23787058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98109945A HK1009200A1 (en) | 1995-05-25 | 1998-08-14 | Adaptive control of a write inhibit signal in a disk drive |
Country Status (7)
Country | Link |
---|---|
US (1) | US5570244A (xx) |
EP (1) | EP0829084B1 (xx) |
JP (1) | JPH11507462A (xx) |
KR (1) | KR100395152B1 (xx) |
DE (1) | DE69603365T2 (xx) |
HK (1) | HK1009200A1 (xx) |
WO (1) | WO1996037890A1 (xx) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6061197A (en) * | 1996-11-25 | 2000-05-09 | Seagate Technology, Inc. | Adaptive control of a write inhibit signal in a disk drive based on adaptive track pitch |
JP3039855B2 (ja) * | 1997-03-27 | 2000-05-08 | 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 | ディスクドライブ装置及びディスクドライブ装置の書き込み制御方法 |
US6226142B1 (en) | 1997-11-14 | 2001-05-01 | Castlewood Systems, Inc. | Burst pattern for detecting the position of a read/write head relative to a magnetic disk |
US6104568A (en) * | 1997-11-14 | 2000-08-15 | Castlewod Systems, Inc. | Servo-burst gray code pattern |
US6191904B1 (en) | 1997-11-14 | 2001-02-20 | Castlewood Systems, Inc. | Data sector timing compensation technique based upon drive eccentricity |
US6092195A (en) * | 1997-11-14 | 2000-07-18 | Castlewood Systems, Inc. | Encryption of defects map |
JP3847435B2 (ja) | 1998-01-12 | 2006-11-22 | 株式会社日立グローバルストレージテクノロジーズ | 磁気ディスク装置 |
JP3721255B2 (ja) * | 1998-01-13 | 2005-11-30 | 株式会社日立グローバルストレージテクノロジーズ | 磁気情報記憶装置 |
US6181493B1 (en) * | 1998-06-05 | 2001-01-30 | Seagate Technology Llc | Write fault thresholds adaptive by head and disc location in a disc drive |
US6226140B1 (en) | 1998-07-14 | 2001-05-01 | International Business Machines Corporation | Shock detector in a disk drive servo control system |
US6215608B1 (en) | 1998-08-31 | 2001-04-10 | International Business Machines Corporation | Hardware inhibit for a disk drive digital servo control system |
JP3329289B2 (ja) | 1998-11-26 | 2002-09-30 | インターナショナル・ビジネス・マシーンズ・コーポレーション | ディスクドライブ装置及びその製造方法、ディスクドライブ装置のシーク制御方法、ディスクドライブ制御装置 |
JP3050218B1 (ja) * | 1998-12-21 | 2000-06-12 | 株式会社日立製作所 | 磁気ヘッド、それを用いた磁気記録再生装置及び磁性メモリ装置 |
US6421197B1 (en) * | 1999-02-22 | 2002-07-16 | Seagate Technology Llc | Optimal reader/writer offsets and write fault thresholds in a disc drive |
US6442705B1 (en) | 1999-04-26 | 2002-08-27 | International Business Machines Corporation | Method of and apparatus for improving data integrity in a disk drive system |
US6469855B1 (en) | 1999-04-30 | 2002-10-22 | International Business Machines Corporation | Method and system for adaptive settle and write inhibit constraints based on head geometry and servo/mechanical system |
KR20020033108A (ko) * | 1999-06-24 | 2002-05-04 | 추후 | 기록 명령 동안 오프 코스 헤드에 응답하기 위해 최적화된오디오-비주얼 디스크 드라이브 |
US6317285B1 (en) | 1999-10-28 | 2001-11-13 | Seagate Technology Llc | Method for calibrating MR head geometry in selfservo writing disc drives |
US6621652B2 (en) | 2000-07-26 | 2003-09-16 | Seagate Technology Llc | Drive with streaming-optimized write validation |
JP2002324354A (ja) * | 2001-04-26 | 2002-11-08 | Rohm Co Ltd | 情報記録装置 |
US6714372B1 (en) * | 2001-09-28 | 2004-03-30 | Western Digital Technologies, Inc. | Method of manufacturing a disk drive by measuring the read width in the servo-writer to set the write unsafe limit |
US20030158943A1 (en) * | 2002-01-28 | 2003-08-21 | Kim Bong Kyum | Real time data retrieving method of off-land transportation |
US6853511B2 (en) * | 2002-03-12 | 2005-02-08 | Seagate Technology Llc | Average position error measurement in a data storage device |
JP2005216443A (ja) * | 2004-01-30 | 2005-08-11 | Fujitsu Ltd | 記録ディスク駆動装置の書き込み動作制御方法および書き込み動作制御プログラム |
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 |
US7353010B1 (en) | 2004-12-22 | 2008-04-01 | Atheros Communications, Inc. | Techniques for fast automatic gain control |
US7209305B2 (en) * | 2005-01-06 | 2007-04-24 | Hitachi Global Storage Technologies Netherlands, B.V. | Method for determining unique write inhibit thresholds for individual heads for maximizing file servo performance |
US7474491B2 (en) * | 2005-12-09 | 2009-01-06 | Maxtor Corporation | Adaptive write unsafe thresholds for self servo writing |
US7423828B2 (en) * | 2006-04-06 | 2008-09-09 | Seagate Technology Llc | Off-track write error recovery |
US7411757B2 (en) * | 2006-07-27 | 2008-08-12 | Hitachi Global Storage Technologies Netherlands B.V. | Disk drive with nonvolatile memory having multiple modes of operation |
US8015433B2 (en) * | 2006-09-13 | 2011-09-06 | Hitachi Global Storage Technologies Netherlands B.V. | Disk drive with nonvolatile memory for storage of failure-related data |
US7558016B1 (en) | 2007-04-20 | 2009-07-07 | Western Digital Technologies, Inc. | Disk drive servo control techniques for predicting an off-track condition utilizing an estimation filter |
JP5100861B1 (ja) * | 2011-05-31 | 2012-12-19 | 株式会社東芝 | ディスク記憶装置、ディスク制御装置及び方法 |
US8953266B2 (en) | 2012-08-24 | 2015-02-10 | HGST Netherlands B.V. | Method and structure for improving performance and storage density in a data storage device |
US8922931B1 (en) | 2013-05-13 | 2014-12-30 | Western Digital Technologies, Inc. | Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality |
US11650761B1 (en) | 2021-10-27 | 2023-05-16 | Western Digital Technologies, Inc. | Data protection during concurrent operations for multiple actuator data storage devices |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4839751A (en) * | 1987-03-10 | 1989-06-13 | Unisys Corporation | Track-following servo for disk drive with multiple reference windows and time dependent logic circuitry |
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 |
US5233487A (en) * | 1991-06-27 | 1993-08-03 | International Business Machines Corporation | Functional measurement of data head misregistration |
US5270880A (en) * | 1992-04-10 | 1993-12-14 | International Business Machines Corporation | Predictive read-write inhibit decision using fuzzy logic |
KR0163678B1 (ko) * | 1992-09-09 | 1999-01-15 | 배순훈 | 이득조정 반복학습 제어를 이용한 디스크 드라이브의 헤드위치 제어장치 및 방법 |
JPH06103592A (ja) * | 1992-09-22 | 1994-04-15 | Ricoh Co Ltd | ディスク装置 |
US5521772A (en) * | 1993-11-30 | 1996-05-28 | International Business Machines Corporation | Disk drive with accerleration rate sensing |
US5434733A (en) * | 1994-02-18 | 1995-07-18 | Hewlett-Packard Company | Planar head having separate read and write gaps |
-
1995
- 1995-05-25 US US08/450,170 patent/US5570244A/en not_active Expired - Fee Related
-
1996
- 1996-05-14 KR KR1019970708432A patent/KR100395152B1/ko not_active IP Right Cessation
- 1996-05-14 EP EP96915779A patent/EP0829084B1/en not_active Expired - Lifetime
- 1996-05-14 JP JP8535736A patent/JPH11507462A/ja active Pending
- 1996-05-14 WO PCT/US1996/006847 patent/WO1996037890A1/en active IP Right Grant
- 1996-05-14 DE DE69603365T patent/DE69603365T2/de not_active Expired - Fee Related
-
1998
- 1998-08-14 HK HK98109945A patent/HK1009200A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0829084A1 (en) | 1998-03-18 |
US5570244A (en) | 1996-10-29 |
DE69603365D1 (de) | 1999-08-26 |
EP0829084B1 (en) | 1999-07-21 |
WO1996037890A1 (en) | 1996-11-28 |
KR19990021957A (ko) | 1999-03-25 |
DE69603365T2 (de) | 1999-11-11 |
KR100395152B1 (ko) | 2003-10-17 |
JPH11507462A (ja) | 1999-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |