ATE275752T1 - Verfahren und positioniersteuerung für ein servosystem zur seitlichen positionierung eines kopfes bezüglich definierter servospuren - Google Patents
Verfahren und positioniersteuerung für ein servosystem zur seitlichen positionierung eines kopfes bezüglich definierter servospurenInfo
- Publication number
- ATE275752T1 ATE275752T1 AT01947657T AT01947657T ATE275752T1 AT E275752 T1 ATE275752 T1 AT E275752T1 AT 01947657 T AT01947657 T AT 01947657T AT 01947657 T AT01947657 T AT 01947657T AT E275752 T1 ATE275752 T1 AT E275752T1
- Authority
- AT
- Austria
- Prior art keywords
- servo
- actuator portion
- positioning
- tracks
- coarse actuator
- Prior art date
Links
- 150000001875 compounds Chemical class 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
- G11B5/58—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
-
- 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
- G11B5/584—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 tapes
-
- 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
- G11B21/086—Access to indexed tracks or parts of continuous track on tapes
- G11B21/088—Access to indexed tracks or parts of continuous track on tapes with track following of accessed part
-
- 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
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/103—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on tapes
-
- 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
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
- G11B5/5508—Control circuits therefor
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Control Of Position Or Direction (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Numerical Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/641,135 US6721126B1 (en) | 2000-08-16 | 2000-08-16 | Position identification for a coarse actuator portion of a compound actuator |
PCT/GB2001/003063 WO2002015173A1 (en) | 2000-08-16 | 2001-07-06 | Method and position control for a servo system for positioning a head laterally with respect to defined servo tracks |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE275752T1 true ATE275752T1 (de) | 2004-09-15 |
Family
ID=24571082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01947657T ATE275752T1 (de) | 2000-08-16 | 2001-07-06 | Verfahren und positioniersteuerung für ein servosystem zur seitlichen positionierung eines kopfes bezüglich definierter servospuren |
Country Status (11)
Country | Link |
---|---|
US (1) | US6721126B1 (de) |
EP (1) | EP1309967B1 (de) |
JP (1) | JP4068959B2 (de) |
KR (1) | KR100523704B1 (de) |
CN (1) | CN1207701C (de) |
AT (1) | ATE275752T1 (de) |
AU (1) | AU2001269303A1 (de) |
CA (1) | CA2413132C (de) |
DE (1) | DE60105436T2 (de) |
MY (1) | MY134153A (de) |
WO (1) | WO2002015173A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7773340B2 (en) * | 1999-02-23 | 2010-08-10 | Advanced Research Corporation | Patterned magnetic recording head having a gap pattern with substantially elliptical or substantially diamond-shaped termination pattern |
US6269533B2 (en) * | 1999-02-23 | 2001-08-07 | Advanced Research Corporation | Method of making a patterned magnetic recording head |
US6496328B1 (en) * | 1999-12-30 | 2002-12-17 | Advanced Research Corporation | Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads |
US7038877B2 (en) * | 2003-03-12 | 2006-05-02 | Matsushita Electric Idustrial Co., Ltd. | Head positioning apparatus |
US7106544B2 (en) * | 2003-05-09 | 2006-09-12 | Advanced Research Corporation | Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape |
US7038872B2 (en) * | 2003-11-10 | 2006-05-02 | Imation Corp. | Servo patterns with inherent track ID |
US7038871B2 (en) * | 2003-11-10 | 2006-05-02 | Imation Corp. | Multi-band servo patterns with inherent track ID |
US7142381B2 (en) * | 2003-11-10 | 2006-11-28 | Imation Corp. | Servo writing devices for creating servo patterns with inherent track ID |
US7133261B2 (en) * | 2003-12-17 | 2006-11-07 | International Business Machines Corporation | Tape head having a support plate with contoured surface |
US8144424B2 (en) | 2003-12-19 | 2012-03-27 | Dugas Matthew P | Timing-based servo verify head and magnetic media made therewith |
US7283317B2 (en) * | 2004-01-30 | 2007-10-16 | Advanced Research Corporation | Apparatuses and methods for pre-erasing during manufacture of magnetic tape |
US20100321824A1 (en) * | 2004-02-18 | 2010-12-23 | Dugas Matthew P | Magnetic recording head having secondary sub-gaps |
JP2007536683A (ja) * | 2004-05-04 | 2007-12-13 | アドバンスト・リサーチ・コーポレーション | 任意形状のギャップ・パターンのための集積型薄膜サブギャップ/サブ磁極構造、磁気記録ヘッド、及びその製造方法 |
US7158338B2 (en) * | 2004-05-24 | 2007-01-02 | Quantum Corporation | Servo track having periodic frames of tone field and embedded synchronization marks |
US7362525B2 (en) * | 2005-07-22 | 2008-04-22 | Quantum Corporation | PRML based magnetic servo position demodulator |
US7307809B2 (en) * | 2005-08-18 | 2007-12-11 | Quantum Corporation | Correlation servo for positioning recording head |
US7428118B2 (en) * | 2005-11-28 | 2008-09-23 | Quantum Corporation | LTM compensation methods and systems for magnetic servo writing |
WO2009094516A1 (en) * | 2008-01-23 | 2009-07-30 | Advanced Research Corporation | Recording heads with embedded tape guides and magnetic media made by such recording heads |
WO2009121073A1 (en) * | 2008-03-28 | 2009-10-01 | Advanced Research Corporation | Thin film planar arbitrary gap pattern magnetic head |
US8767331B2 (en) * | 2009-07-31 | 2014-07-01 | Advanced Research Corporation | Erase drive system and methods of erasure for tape data cartridge |
US8027121B2 (en) * | 2009-11-04 | 2011-09-27 | International Business Machines Corporation | Positioning coarse servo actuator of tape servo system to allow fine servo actuator to follow tape shift excursions |
US8059362B2 (en) * | 2010-03-02 | 2011-11-15 | International Business Machines Corporation | Positioning a coarse actuator of compound actuator tape servo system at midpoint of maximum peaks of lateral tape movement |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121270A (en) | 1989-09-19 | 1992-06-09 | Alcudia Ezra R | Multitransducer head positioning servo for use in a bi-directional magnetic tape system |
US5726824A (en) | 1991-12-10 | 1998-03-10 | Exabyte Corporation | Head positioning in a multi-track magnetic tape recorder/player |
DE69318617T2 (de) * | 1992-04-13 | 1999-04-15 | Imation Corp | Vorrichtung zur Kopfpositionierung für Mehrspurbandaufzeichnungsgerät |
US5949604A (en) | 1992-06-24 | 1999-09-07 | Quantum Corporation | Method of writing and reading servo on tracks having a longitudinal gap |
US5689384A (en) | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
US5793573A (en) | 1995-06-07 | 1998-08-11 | International Business Machines Corporation | Hybrid actuator servo actuated tape drive having a pivotally mounted motion transmission member |
US5710681A (en) | 1995-06-07 | 1998-01-20 | International Business Machines Corporation | Pivot bearing having no moving parts for use in a high density data tape drive |
US5644453A (en) | 1995-06-07 | 1997-07-01 | International Business Machines Corporation | Tape drive actuator including a one piece internally pre-loaded linear bearing |
US5726834A (en) * | 1995-06-07 | 1998-03-10 | International Business Machines Corporation | Actuator for servo actuated tape drive |
US5852535A (en) | 1996-02-29 | 1998-12-22 | Hewlett-Packard Company | Accurate measurement of preformatted track servo patterns by a magnetic data tape drive |
US5946159A (en) | 1996-11-27 | 1999-08-31 | International Business Machines Corporation | Servo edge correction using edge samples taken by independently positioned servo elements |
US5946156A (en) | 1997-03-04 | 1999-08-31 | Imation Corp. | Tape servo system and methods, write/read heads, and servo track configurations regarding same |
US5982711A (en) | 1997-06-05 | 1999-11-09 | Hewlett-Packard Co. | Device for reading data from or writing data to magnetic storage media and a method of positioning a tape head relative to the magnetic storage media |
US6078476A (en) * | 1997-12-17 | 2000-06-20 | Texas Instruments Incorporated | Twin head design for micro-actuator position sensing in a hard disk drive |
KR100518514B1 (ko) * | 1998-02-20 | 2005-11-24 | 삼성전자주식회사 | 하드 디스크 드라이브에서 엑츄에이터 온트랙 제어장치및 그방법 |
US6075678A (en) * | 1998-03-24 | 2000-06-13 | Quantum Corporation | Pivoting lever cam guide tape head positioner |
CN1363099A (zh) * | 1999-07-23 | 2002-08-07 | 西加特技术有限责任公司 | 使用自适应前馈伺服装置抑制双致动器磁盘驱动器中机械相互作用的干扰 |
JP2003513394A (ja) * | 1999-10-28 | 2003-04-08 | シーゲイト テクノロジー エルエルシー | センサの精密位置決めのためのマイクロ・アクチュエータ誘導式反動力 |
US6621653B1 (en) * | 2000-06-09 | 2003-09-16 | Hitachi Global Storage Technologies Netherlands B.V. | Secondary actuator system for mode compensation |
US6587303B1 (en) * | 2000-06-09 | 2003-07-01 | International Business Machines Corporation | Servo control of a coarse actuator |
US6519109B1 (en) * | 2000-07-21 | 2003-02-11 | International Business Machines Corporation | Method and apparatus for providing feedforward control of two interacting actuators |
US6580581B1 (en) * | 2000-08-16 | 2003-06-17 | International Business Machines Corporation | Recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tape |
-
2000
- 2000-08-16 US US09/641,135 patent/US6721126B1/en not_active Expired - Fee Related
-
2001
- 2001-07-06 EP EP01947657A patent/EP1309967B1/de not_active Expired - Lifetime
- 2001-07-06 AT AT01947657T patent/ATE275752T1/de not_active IP Right Cessation
- 2001-07-06 KR KR10-2003-7001935A patent/KR100523704B1/ko not_active IP Right Cessation
- 2001-07-06 AU AU2001269303A patent/AU2001269303A1/en not_active Abandoned
- 2001-07-06 CA CA002413132A patent/CA2413132C/en not_active Expired - Lifetime
- 2001-07-06 JP JP2002520217A patent/JP4068959B2/ja not_active Expired - Fee Related
- 2001-07-06 DE DE60105436T patent/DE60105436T2/de not_active Expired - Lifetime
- 2001-07-06 CN CNB018141749A patent/CN1207701C/zh not_active Expired - Fee Related
- 2001-07-06 WO PCT/GB2001/003063 patent/WO2002015173A1/en active IP Right Grant
- 2001-08-09 MY MYPI20013749 patent/MY134153A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE60105436D1 (de) | 2004-10-14 |
CN1207701C (zh) | 2005-06-22 |
EP1309967B1 (de) | 2004-09-08 |
EP1309967A1 (de) | 2003-05-14 |
JP2004507014A (ja) | 2004-03-04 |
US6721126B1 (en) | 2004-04-13 |
KR100523704B1 (ko) | 2005-10-26 |
KR20030024848A (ko) | 2003-03-26 |
CN1447964A (zh) | 2003-10-08 |
MY134153A (en) | 2007-11-30 |
DE60105436T2 (de) | 2005-10-06 |
CA2413132A1 (en) | 2002-02-21 |
WO2002015173A1 (en) | 2002-02-21 |
JP4068959B2 (ja) | 2008-03-26 |
CA2413132C (en) | 2006-09-19 |
AU2001269303A1 (en) | 2002-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |