DE69626746D1 - Plattenspeichergerät - Google Patents

Plattenspeichergerät

Info

Publication number
DE69626746D1
DE69626746D1 DE69626746T DE69626746T DE69626746D1 DE 69626746 D1 DE69626746 D1 DE 69626746D1 DE 69626746 T DE69626746 T DE 69626746T DE 69626746 T DE69626746 T DE 69626746T DE 69626746 D1 DE69626746 D1 DE 69626746D1
Authority
DE
Germany
Prior art keywords
storage device
disk storage
disk
storage
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
DE69626746T
Other languages
English (en)
Other versions
DE69626746T2 (de
Inventor
Kazuhiko Takaishi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69626746D1 publication Critical patent/DE69626746D1/de
Publication of DE69626746T2 publication Critical patent/DE69626746T2/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
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
    • 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
    • G11B5/48—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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor
DE69626746T 1995-11-17 1996-07-23 Plattenspeichergerät Expired - Fee Related DE69626746T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29953595A JP3875294B2 (ja) 1995-11-17 1995-11-17 ディスク装置

Publications (2)

Publication Number Publication Date
DE69626746D1 true DE69626746D1 (de) 2003-04-24
DE69626746T2 DE69626746T2 (de) 2003-10-16

Family

ID=17873871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69626746T Expired - Fee Related DE69626746T2 (de) 1995-11-17 1996-07-23 Plattenspeichergerät

Country Status (4)

Country Link
US (1) US5859742A (de)
EP (1) EP0774754B1 (de)
JP (1) JP3875294B2 (de)
DE (1) DE69626746T2 (de)

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JP3871085B2 (ja) * 1997-05-12 2007-01-24 富士通株式会社 ディスク装置及びディスク装置の校正方法
US6917569B1 (en) * 1997-10-06 2005-07-12 Emc Corporation Method for determining seek times in a disk array storage device
JPH11120685A (ja) * 1997-10-09 1999-04-30 Fujitsu Ltd ディスク装置
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US6101065A (en) * 1998-03-30 2000-08-08 Western Digital Corporation Disk drive with seek profile selection based on read/write operation
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US6153998A (en) * 1998-05-28 2000-11-28 Kabushiki Kaisha Toshiba Method of controlling a two-degree-of-freedom control system
US6195222B1 (en) * 1998-11-04 2001-02-27 Western Digital Corporation Disk drive with seek profile selection based on a queued vs. non-queued environment
US6570732B1 (en) * 1998-12-15 2003-05-27 Seagate Technology Llc Method and apparatus for settling determination control systems
US7433144B2 (en) * 1999-03-04 2008-10-07 Convolve, Inc. Dynamic system control method
US6515819B1 (en) * 1999-03-29 2003-02-04 Maxtor Corporation Adaptive update of seek time prediction data
KR100629035B1 (ko) 1999-04-21 2006-09-26 시게이트 테크놀로지 엘엘씨 가상 디스크 드라이브를 사용한 서보 프로세서 코드 평가
US6421198B1 (en) 1999-04-27 2002-07-16 International Business Machines Corporation Linearity compensation for a position error signal based on repeatable and non-repeatable run out in a disk drive
US6522493B1 (en) 1999-04-27 2003-02-18 International Business Machines Corporation Position error signal linearization using an auxiliary discontinuity removal routine
US6597528B1 (en) 1999-06-30 2003-07-22 Seagate Technology Llc Self-adaptive seeking profile for resonance actuator
US6504670B1 (en) 1999-07-06 2003-01-07 Maxtor Corporation Method and apparatus for reducing oscillations excited during a seek operation in a disk drive
US6643080B1 (en) * 1999-08-25 2003-11-04 Seagate Technology Llc Resonance identification by commanding a spindle speed change
US6510019B1 (en) 1999-11-12 2003-01-21 Maxtor Corporation Acceleration tracking position controller
US6275092B1 (en) 1999-11-16 2001-08-14 Texas Instruments Incorporated Active damping circuit
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US6614618B1 (en) 2000-03-31 2003-09-02 Western Digital Technologies, Inc. Disk drive with feed-forward control path that receives a reference position signal to apply a feed-forward command effort at a rate greater than a servo sampling rate
US6721124B2 (en) 2000-05-09 2004-04-13 Maxtor Corporation Method and apparatus for providing an intelligent settle scheme for a hard disk drive with dual stage actuators
JP4213850B2 (ja) * 2000-06-01 2009-01-21 富士通株式会社 ディスク装置の制御方法およびディスク装置
US6690534B2 (en) 2000-06-14 2004-02-10 Seagate Technology Llc Method and apparatus for handling multiple resonance frequencies in disc drives using active damping
US6831804B2 (en) 2000-06-20 2004-12-14 Seagate Technology Llc Method and apparatus for handling resonance effects in disc drives using active damping
US6636377B1 (en) * 2000-06-30 2003-10-21 Western Digital Technologies, Inc. Method of tuning feed-forward control in a disk drive
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US6775090B2 (en) 2001-03-09 2004-08-10 Seagate Technology Llc Adapting logical track addresses in relation to head offsets
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JP4156284B2 (ja) * 2002-07-01 2008-09-24 富士通株式会社 ヘッド位置制御方法及びデイスク装置
US6909576B2 (en) * 2002-08-22 2005-06-21 Hitachi Global Storage Technologies Netherlands B.V. Method, system, and program for generating control signals to perform a seek operation
US7002761B1 (en) 2003-03-27 2006-02-21 Marvell International Ltd. Demodulation compensation for spiral servo tracks in hard disk drives
WO2005010870A1 (en) * 2003-06-26 2005-02-03 Seagate Technology Llc Guiding a sensor using a broadly-curved lateral profile
US6930851B2 (en) 2003-06-26 2005-08-16 Seagate Technology Llc Guiding a sensor using a broadly-curved lateral profile
JP4362076B2 (ja) * 2004-02-25 2009-11-11 富士通株式会社 位置制御装置
US7286317B1 (en) * 2005-02-03 2007-10-23 Maxtor Corporation Disk drive that compensates for repeatable runout of a disk based on measured timing between servo information and methods thereof
KR100640642B1 (ko) * 2005-05-26 2006-10-31 삼성전자주식회사 하드디스크 드라이브의 트랙 탐색 제어 방법 및 이에적합한 기록 매체
US7319570B2 (en) * 2005-09-19 2008-01-15 Seagate Technology Llc Random vibration and shock compensator using a disturbance observer
TWI306688B (en) * 2005-11-18 2009-02-21 Sunplus Technology Co Ltd Method for adaptively driving a tracking element with mechanical deviation and device using the same
JP4509952B2 (ja) 2006-03-03 2010-07-21 東芝ストレージデバイス株式会社 制御装置、ディスク装置、及びシーク軌道生成方法
JP4690948B2 (ja) * 2006-03-31 2011-06-01 東芝ストレージデバイス株式会社 位置決め制御装置の整定判定方法及び位置決め制御装置
JP4550764B2 (ja) * 2006-04-26 2010-09-22 東芝ストレージデバイス株式会社 シーク制御方法、シーク制御装置およびディスク装置
JP4991201B2 (ja) 2006-07-28 2012-08-01 株式会社東芝 位置決め制御装置の整定判定方法及び位置決め制御装置
JP4976798B2 (ja) 2006-09-28 2012-07-18 株式会社東芝 二自由度位置制御方法、二自由度位置制御装置および媒体記憶装置
US7420759B2 (en) * 2006-10-31 2008-09-02 Samsung Electronics Co., Ltd. Apparatus and method for internal calibration of normalized playback transfer curve in a hard disk drive
JP4991343B2 (ja) * 2007-02-22 2012-08-01 株式会社東芝 ヘッド位置制御装置及び媒体記憶装置
KR20090113461A (ko) * 2008-04-28 2009-11-02 삼성전자주식회사 가변적 신호를 이용한 정보 저장용 디스크 및 상기디스크를 이용한 하드디스크 드라이브
US8024069B2 (en) * 2009-01-28 2011-09-20 Ge Intelligent Platforms, Inc. System and method for path planning
JP5043066B2 (ja) * 2009-05-28 2012-10-10 株式会社日立ハイテクノロジーズ 磁気ヘッドセトリング時間を考慮した最適なシーク時間測定方法およびこの測定方法を使用する検査装置
JP2014049168A (ja) * 2012-09-03 2014-03-17 Mitsubishi Electric Corp シーク制御装置及び方法、並びにプログラム及び記録媒体
US8730614B2 (en) 2012-09-05 2014-05-20 Seagate Technology Llc Suppression of seek repeatable runout
JP2018113085A (ja) * 2017-01-10 2018-07-19 株式会社東芝 磁気ディスク装置及びライト方法
US10748568B1 (en) * 2019-08-06 2020-08-18 Western Digital Technologies, Inc. Data storage device employing dynamic track trajectories
US10867629B1 (en) * 2020-03-04 2020-12-15 Western Digital Technologies, Inc. Data storage device employing staggered servo wedges to increase capacity

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Also Published As

Publication number Publication date
DE69626746T2 (de) 2003-10-16
JPH09139032A (ja) 1997-05-27
EP0774754B1 (de) 2003-03-19
EP0774754A3 (de) 1997-12-17
US5859742A (en) 1999-01-12
JP3875294B2 (ja) 2007-01-31
EP0774754A2 (de) 1997-05-21

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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