DE3464428D1 - System for detecting the position of a read-write head on a disk recording medium having data and servo sectors - Google Patents

System for detecting the position of a read-write head on a disk recording medium having data and servo sectors

Info

Publication number
DE3464428D1
DE3464428D1 DE8484102516T DE3464428T DE3464428D1 DE 3464428 D1 DE3464428 D1 DE 3464428D1 DE 8484102516 T DE8484102516 T DE 8484102516T DE 3464428 T DE3464428 T DE 3464428T DE 3464428 D1 DE3464428 D1 DE 3464428D1
Authority
DE
Germany
Prior art keywords
read
detecting
data
recording medium
write head
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
Application number
DE8484102516T
Other languages
English (en)
Inventor
Toshihiro Sugaya
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3464428D1 publication Critical patent/DE3464428D1/de
Expired 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
    • 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
DE8484102516T 1983-03-11 1984-03-08 System for detecting the position of a read-write head on a disk recording medium having data and servo sectors Expired DE3464428D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58040370A JPS59165279A (ja) 1983-03-11 1983-03-11 ヘツドの位置決め方式

Publications (1)

Publication Number Publication Date
DE3464428D1 true DE3464428D1 (en) 1987-07-30

Family

ID=12578752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484102516T Expired DE3464428D1 (en) 1983-03-11 1984-03-08 System for detecting the position of a read-write head on a disk recording medium having data and servo sectors

Country Status (4)

Country Link
US (1) US4631606A (de)
EP (1) EP0121145B1 (de)
JP (1) JPS59165279A (de)
DE (1) DE3464428D1 (de)

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JP2593437B2 (ja) * 1985-09-24 1997-03-26 株式会社東芝 磁気デイスクのサーボ位置決め装置
FR2597248B1 (fr) * 1985-11-27 1988-05-13 Thomson Alcatel Gigadisc Support d'information a pregravure et son dispositif d'exploration optiques a acces echantillonne
JPS62289977A (ja) * 1986-06-06 1987-12-16 Matsushita Electric Ind Co Ltd 磁気デイスク装置
JP2624683B2 (ja) * 1986-09-30 1997-06-25 株式会社東芝 磁気ディスク装置における記録制御方法
JPS62287479A (ja) * 1987-01-13 1987-12-14 Alps Electric Co Ltd Ｏトラツク検出方法
US5453887A (en) * 1987-01-13 1995-09-26 Canon Denshi Kabushiki Kaisha Head tracking servo pattern
KR910008503B1 (ko) * 1987-03-13 1991-10-18 미쯔비시덴끼 가부시끼가이샤 광 디스크
JP2605721B2 (ja) * 1987-07-17 1997-04-30 ソニー株式会社 ディスク状記録媒体
JP2637118B2 (ja) * 1987-11-10 1997-08-06 株式会社東芝 磁気ディスク装置
JPH0727699B2 (ja) * 1987-11-30 1995-03-29 ティアツク株式会社 磁気デイスク装置
US4949202A (en) * 1988-04-04 1990-08-14 Kalok Corporation Disk track for locating zero track and generating timing for index signal
JPH01260678A (ja) * 1988-04-12 1989-10-17 Toshiba Corp 磁気記録再生装置の磁気ヘッド位置決め制御装置
US5036408A (en) * 1988-05-12 1991-07-30 Digital Equipment Corporation High efficiency disk format and synchronization system
US5079654A (en) * 1989-05-30 1992-01-07 Teac Corporation Data transducer position control system for data transfer apparatus employing dislike record media
EP0494869B1 (de) * 1989-07-27 1996-09-04 Conner Peripherals, Inc. Plattenantriebssystem mit mehreren eingebetteten quadratur-servo-feldern
US4987355A (en) * 1989-12-05 1991-01-22 Digital Equipment Corporation Self-synchronizing servo control system and servo data code for high density disk drives
JP2591225B2 (ja) * 1990-02-21 1997-03-19 松下電器産業株式会社 ヘッド位置情報認識方法及び装置とヘッド位置決め装置
US5396380A (en) * 1990-07-16 1995-03-07 Matsushita Electric Industrial Co., Ltd. Resolution enhancement of absolute track position using iterative process and position bursts with track following capability
JP2591270B2 (ja) * 1990-07-16 1997-03-19 松下電器産業株式会社 ヘッド位置決め信号生成方法及び生成装置とヘッド位置決め装置
US5402287A (en) * 1990-07-20 1995-03-28 Matsushita Electric Industrial Co., Ltd. Resolution enhancement of absolute track position using iterative process and position bursts
JP2616175B2 (ja) * 1990-07-20 1997-06-04 松下電器産業株式会社 ヘッド位置決め信号生成方法及び生成装置とヘッド位置決め装置
US5305302A (en) * 1990-12-04 1994-04-19 Conner Peripherals, Inc. Track format and record carrier system for split data field support
DE69131993T2 (de) * 1990-12-19 2000-07-20 Mobile Storage Technology Inc Miniatur-festplattenantrieb für tragbaren computer
JP2616586B2 (ja) * 1991-01-16 1997-06-04 松下電器産業株式会社 磁気ディスク及び磁気ディスク装置
US5321560A (en) * 1991-09-25 1994-06-14 Integral Peripherals, Inc. Embedded servo system for low power disk drives
US6310747B1 (en) 1991-09-25 2001-10-30 Mobile Storage Technology, Inc. Method for reducing external signal interference with signals in a computer disk storage system
US5379171A (en) * 1991-09-25 1995-01-03 Integral Peripherals Microminiature hard disk drive
JP2625315B2 (ja) * 1992-05-06 1997-07-02 富士通株式会社 サーボトラックライターのベリファイ方法
US5255131A (en) * 1992-08-13 1993-10-19 International Business Machines Corporation Asynchronous servo identification/address mark detection for PRML disk drive ssytem
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5596458A (en) * 1994-12-19 1997-01-21 Integral Peripherals, Inc. Variable zone layout for information storage disk drive
US6091559A (en) * 1994-12-19 2000-07-18 Mobile Storage Technology Inc. Variable zone layout and track pitch parameter considerations for information storage disk drive
KR0159441B1 (ko) * 1995-08-28 1999-01-15 김광호 고용량 하드 디스크 드라이브 구현을 위한 디스크 기록매체와 그에 따른 서보제어방법
US6058191A (en) * 1997-02-04 2000-05-02 Macrovision Corp Method and apparatus for modifying the envelope of a RF carrier signal to remove copy protection signals therefrom
US6665138B1 (en) 1997-02-11 2003-12-16 Samsung Electronics Co., Ltd. Technique for detecting head position in hard disk drive
US5903410A (en) * 1997-03-24 1999-05-11 International Business Machines Corporation Disk drive using multiple servo timing marks that form a code of unique interrelated bit patterns
KR100288781B1 (ko) * 1997-11-27 2001-05-02 구자홍 광픽업의 이동거리 결정장치 및 결정방법
US7342741B1 (en) 2000-02-10 2008-03-11 Esgw Holdings Limited Disk drive with variable track density
KR20060046445A (ko) * 2004-07-22 2006-05-17 엘지전자 주식회사 기록매체 및 기록매체의 기록재생 제어방법 및 데이터기록재생 방법과 장치
US8737183B1 (en) 2013-01-07 2014-05-27 Elwha, Llc Topographic feedforward system
WO2014107662A1 (en) * 2013-01-07 2014-07-10 Elwha Llc Topographic feedforward system

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US4027338A (en) * 1975-04-28 1977-05-31 Burroughs Corporation Transducer positioning system for providing coarse positioning
US4032984A (en) * 1975-04-28 1977-06-28 Burroughs Corporation Transducer positioning system for providing both coarse and fine positioning
NL7702570A (nl) * 1977-03-10 1978-09-12 Philips Nv Magneetschijfgeheugen en magneetschijf voor dat geheugen.
JPS54119215A (en) * 1978-03-09 1979-09-17 Toshiba Corp Magnetic disc apparatus
US4390912A (en) * 1980-11-12 1983-06-28 Digital Equipment Corporation Transducer positioning system and data disk therefor
US4464689A (en) * 1981-06-04 1984-08-07 Education & Informations Systems, Inc. Random access read/write unit
US4400747A (en) * 1981-06-26 1983-08-23 International Business Machines Corporation Servo system for data storage apparatus
JPS5862870A (ja) * 1981-10-12 1983-04-14 Toshiba Corp 磁気ディスク装置
EP0088554B1 (de) * 1982-02-24 1986-04-16 Kabushiki Kaisha Toshiba Verfahren und Vorrichtung zur Lageermittlung und Vorrichtung zum Positionieren eines Schreib-Lesekopfes während der Suchoperation bei einem Plattenspeicher mit Daten und Servosektoren
JPS58146058A (ja) * 1982-02-24 1983-08-31 Toshiba Corp ヘツドの位置決め方式

Also Published As

Publication number Publication date
JPH0430111B2 (de) 1992-05-20
JPS59165279A (ja) 1984-09-18
US4631606A (en) 1986-12-23
EP0121145A1 (de) 1984-10-10
EP0121145B1 (de) 1987-06-24

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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