DE69032955T2 - Scheibenantriebsgerät mit Spurfolgeservomechanismus - Google Patents

Scheibenantriebsgerät mit Spurfolgeservomechanismus

Info

Publication number
DE69032955T2
DE69032955T2 DE69032955T DE69032955T DE69032955T2 DE 69032955 T2 DE69032955 T2 DE 69032955T2 DE 69032955 T DE69032955 T DE 69032955T DE 69032955 T DE69032955 T DE 69032955T DE 69032955 T2 DE69032955 T2 DE 69032955T2
Authority
DE
Germany
Prior art keywords
drive device
disc drive
tracking servomechanism
servomechanism
tracking
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 - Fee Related
Application number
DE69032955T
Other languages
English (en)
Other versions
DE69032955D1 (de
Inventor
Susumu Hoshimi
Hiroyuki Suzukawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP32521689A external-priority patent/JP2699594B2/ja
Priority claimed from JP32521589A external-priority patent/JP2697210B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69032955D1 publication Critical patent/DE69032955D1/de
Publication of DE69032955T2 publication Critical patent/DE69032955T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • G11B5/59655—Sector, sample or burst servo format
    • 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
    • G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
    • 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
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
    • G11B5/5556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek"
DE69032955T 1989-12-15 1990-12-13 Scheibenantriebsgerät mit Spurfolgeservomechanismus Expired - Fee Related DE69032955T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32521689A JP2699594B2 (ja) 1989-12-15 1989-12-15 磁気ディスク装置のヘッド位置決めシステム
JP32521589A JP2697210B2 (ja) 1989-12-15 1989-12-15 ディスクドライブ装置のトラックサーボ機構

Publications (2)

Publication Number Publication Date
DE69032955D1 DE69032955D1 (de) 1999-03-25
DE69032955T2 true DE69032955T2 (de) 1999-08-26

Family

ID=26571766

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69028186T Expired - Fee Related DE69028186T2 (de) 1989-12-15 1990-12-13 Plattenantriebsgerät mit Spurfolge-Servo-Mechanismus
DE69032955T Expired - Fee Related DE69032955T2 (de) 1989-12-15 1990-12-13 Scheibenantriebsgerät mit Spurfolgeservomechanismus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69028186T Expired - Fee Related DE69028186T2 (de) 1989-12-15 1990-12-13 Plattenantriebsgerät mit Spurfolge-Servo-Mechanismus

Country Status (4)

Country Link
US (1) US5235478A (de)
EP (2) EP0433059B1 (de)
KR (1) KR100215943B1 (de)
DE (2) DE69028186T2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04232610A (ja) * 1990-10-02 1992-08-20 Internatl Business Mach Corp <Ibm> 情報の読み取り・書き込み装置
EP0564181B1 (de) * 1992-03-30 1996-11-20 General Electric Company Konstruktion eines Brennkammerdomes
US5715105A (en) 1992-09-28 1998-02-03 Hitachi, Ltd. Method of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data area
JPH06111502A (ja) * 1992-09-30 1994-04-22 Sony Corp 磁気ディスク装置
JPH06150565A (ja) * 1992-10-30 1994-05-31 Sony Corp データ記録媒体および記録再生装置
KR0155737B1 (ko) * 1992-12-23 1998-12-15 김광호 브시알의 트래킹제어방법 및 장치
JP3395235B2 (ja) * 1993-02-09 2003-04-07 ソニー株式会社 情報記録ディスク
JP2635942B2 (ja) * 1994-02-10 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 直接アクセス記憶装置のサーボ位置決めの方法及び装置
US5587850A (en) * 1994-08-26 1996-12-24 Quantum Corporation Data track pattern including embedded servo sectors for magneto-resistive read/inductive write head structure for a disk drive
US5654842A (en) * 1994-08-30 1997-08-05 Sony Corporation Head displacement measuring method and apparatus and data recording/reproducing method and apparatus
JPH08147908A (ja) * 1994-11-17 1996-06-07 Fujitsu Ltd 記録再生方法及び記録再生装置
CA2223410A1 (en) * 1995-06-06 1996-12-12 James A.. Valent Mr head differential micro-jog
US5691857A (en) * 1995-09-29 1997-11-25 Quantum Corporation Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads
US5771131A (en) * 1996-07-18 1998-06-23 Quantum Corporation Tracking in hard disk drive using magnetoresistive heads
US5986847A (en) * 1996-10-18 1999-11-16 Samsung Electronics Co., Ltd. Method and apparatus for providing read and write skew offset information for a magneto-resistive head
US6014283A (en) * 1997-05-15 2000-01-11 Western Digital Corporation Non-quadrature servo burst pattern for micro-jogging a magnetoresistive head in a magnetic disk drive
JPH1145523A (ja) * 1997-07-25 1999-02-16 Toshiba Corp 磁気ディスク装置及び同装置に適用するヘッド位置決め制御システム
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
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
KR100518514B1 (ko) 1998-02-20 2005-11-24 삼성전자주식회사 하드 디스크 드라이브에서 엑츄에이터 온트랙 제어장치및 그방법
US6429994B1 (en) 1998-08-14 2002-08-06 Samsung Electronics Co., Ltd Method and apparatus for providing servo gain linearization for a magneto-resistive head
US6441988B2 (en) 1998-10-07 2002-08-27 Samsung Electronics Co., Ltd. Method and apparatus for reducing acoustic noise in a hard disk drive
US6704354B1 (en) 1998-10-16 2004-03-09 Samsung Electronics Co., Ltd. Method and apparatus of providing adaptive equalization using sign permutation filtering
US6687079B1 (en) 1999-10-08 2004-02-03 Samsung Electronics Co., Ltd Apparatus and method for providing servo gain linearization for a magneto-resistive head
US6359749B1 (en) * 1999-10-15 2002-03-19 International Business Machines Corporation Dual element head with radial offset optimized for minimal write-to-read track error
US6501613B1 (en) 1999-12-15 2002-12-31 Samsung Electronics Co., Ltd. Generalized Fourier seek method and apparatus for a hard disk drive servomechanism
US6549364B1 (en) 1999-12-15 2003-04-15 Samsung Electronics Co., Ltd. Optimization method and apparatus for a generalized fourier seek trajectory for a hard disk drive servomechanism
US6801384B2 (en) 2000-09-14 2004-10-05 Samsung Electronics Co., Ltd. Voltage-constrained sinusoidal seek servo in hard disk drives
US6982849B2 (en) * 2000-09-14 2006-01-03 Samsung Electronics Co., Ltd. Method and apparatus for providing positional information on a disk
US6744590B2 (en) 2000-09-14 2004-06-01 Samsung Electronics Co., Inc. Seek trajectory adaptation in sinusoidal seek servo hard disk drives
US6762902B2 (en) 2000-12-15 2004-07-13 Samsung Electronics Co., Ltd. Time-varying, non-synchronous disturbance identification and cancellation in a rotating disk storage device
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
US6700731B2 (en) * 2001-05-31 2004-03-02 Samsung Electronics Co., Inc. In-situ linearization of magnetic read/write head transducer position error signal
US7430091B2 (en) * 2005-10-21 2008-09-30 Microsoft Corporation Method and apparatus for improving the performance of a disk drive
JP2007234070A (ja) * 2006-02-27 2007-09-13 Fujitsu Ltd ディスリートトラック記録方法、記憶装置及びその製造方法
JP2008016065A (ja) * 2006-06-30 2008-01-24 Toshiba Corp ディスク記憶装置及びヘッド位置決め制御方法
JP2008204502A (ja) * 2007-02-16 2008-09-04 Fujitsu Ltd 書き込みヘッドの位置決め方法
JP4625816B2 (ja) * 2007-02-19 2011-02-02 株式会社東芝 原盤の作製方法、磁気記録媒体の製造方法および磁気記録媒体
US8381526B2 (en) * 2010-02-15 2013-02-26 General Electric Company Systems and methods of providing high pressure air to a head end of a combustor
KR20190115232A (ko) 2018-04-02 2019-10-11 송유진 거푸집 고정용 브라켓
US11404078B1 (en) * 2021-08-12 2022-08-02 International Business Machines Corporation Measuring amplitudes of written tracks in a tape drive to determine errors in read and write elements in the tape drive

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3374731D1 (en) * 1983-06-30 1988-01-07 Ibm Track following servo system for a disk file
JPS61172282A (ja) * 1985-01-28 1986-08-02 Seiko Epson Corp 磁気デイスク用サ−ボ方式
US4701815A (en) * 1985-03-11 1987-10-20 Sony Corporation Tracking servo system for disc memory
JPS6247885A (ja) * 1985-08-27 1987-03-02 Fujitsu Ltd サ−ボ情報検出方式
US4802033A (en) * 1986-11-07 1989-01-31 Eastman Kodak Company Predictive positioning offset compensation for high TPI disk systems
US4912585A (en) * 1988-04-28 1990-03-27 International Business Machines Corporation Discrete track thin film magnetic recording disk with embedded servo information
JPH06247885A (ja) * 1993-02-26 1994-09-06 Dainippon Ink & Chem Inc ４−アルキル−３，５−ジフルオロベンゼン誘導体

Also Published As

Publication number Publication date
EP0670572A3 (de) 1996-01-10
US5235478A (en) 1993-08-10
EP0433059B1 (de) 1996-08-21
EP0433059A3 (en) 1992-03-11
KR100215943B1 (ko) 1999-08-16
EP0670572B1 (de) 1999-02-17
EP0433059A2 (de) 1991-06-19
DE69028186D1 (de) 1996-09-26
DE69028186T2 (de) 1997-02-06
EP0670572A2 (de) 1995-09-06
DE69032955D1 (de) 1999-03-25
KR910013170A (ko) 1991-08-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee