DE3778716D1 - Verfahren zum positionieren eines wandlerkopfes. - Google Patents

Verfahren zum positionieren eines wandlerkopfes.

Info

Publication number
DE3778716D1
DE3778716D1 DE8787300563T DE3778716T DE3778716D1 DE 3778716 D1 DE3778716 D1 DE 3778716D1 DE 8787300563 T DE8787300563 T DE 8787300563T DE 3778716 T DE3778716 T DE 3778716T DE 3778716 D1 DE3778716 D1 DE 3778716D1
Authority
DE
Germany
Prior art keywords
positioning
converter head
converter
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 - Fee Related
Application number
DE8787300563T
Other languages
English (en)
Inventor
Makoto Mizukami
Akio Mitamura
Ryoichi Arai
Yasunaga Mitsuya
Tetsuo Mikazuki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE3778716D1 publication Critical patent/DE3778716D1/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
    • G11B5/5547—"Seek" control and circuits therefor
    • 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
    • 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
    • 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
    • G11B5/488—Disposition of heads
    • G11B5/4886—Disposition of heads relative to rotating disc
    • 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"
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
DE8787300563T 1986-01-23 1987-01-22 Verfahren zum positionieren eines wandlerkopfes. Expired - Fee Related DE3778716D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61012350A JPH0668893B2 (ja) 1986-01-23 1986-01-23 磁気ヘツドの位置決め制御方式

Publications (1)

Publication Number Publication Date
DE3778716D1 true DE3778716D1 (de) 1992-06-11

Family

ID=11802831

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787300563T Expired - Fee Related DE3778716D1 (de) 1986-01-23 1987-01-22 Verfahren zum positionieren eines wandlerkopfes.

Country Status (4)

Country Link
US (1) US4903151A (de)
EP (1) EP0231103B1 (de)
JP (1) JPH0668893B2 (de)
DE (1) DE3778716D1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008765A (en) * 1989-01-17 1991-04-16 Minnesota Mining And Manufacturing Company Method and apparatus for reading or writing on tape using a servo positioned multiple channel head
US5223994A (en) * 1989-10-02 1993-06-29 Behr Michael I System using superimposed, orthogonal buried servo signals
US5132861A (en) * 1989-10-02 1992-07-21 Behr Michael I Systems using superimposed, orthogonal buried servo signals
US5321570A (en) * 1989-10-02 1994-06-14 Behr Michael I Systems using superimposed, orthogonal buried servo signals
US5257149A (en) * 1991-02-13 1993-10-26 Seagate Technology, Inc. Disc drive with offset address field
JPH05182131A (ja) * 1991-06-07 1993-07-23 Minnesota Mining & Mfg Co <3M> マルチチャンネルヘッドアセンブリと書き込み装置と磁気記録媒体
US5229895A (en) * 1991-06-07 1993-07-20 Minnesota Mining And Manufacturing Company Multi-track servo recording head assembly
JP2707191B2 (ja) * 1992-10-19 1998-01-28 シャープ株式会社 マルチトラック磁気信号再生装置
US5563859A (en) * 1993-04-07 1996-10-08 Matsushita Electric Industrial Co., Ltd. Method for simultaneous recording and playback from both sides of a recording medium
US6700732B1 (en) * 1993-07-30 2004-03-02 Washington University Method and apparatus for a vernier magnetic recording head
JPH07230625A (ja) * 1994-02-17 1995-08-29 Pioneer Electron Corp 光記録媒体並びにその記録装置及び再生装置
US5488525A (en) * 1994-08-18 1996-01-30 International Business Machines Corporation Decoupled magnetic head assembly for quarter-inch tape
JPH10501091A (ja) * 1995-03-24 1998-01-27 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 磁気ヘッドと磁気ヘッドの位置を制御するシステム
WO1997021213A1 (en) * 1995-12-07 1997-06-12 Philips Electronics N.V. Positioning of a head relative to a plurality of tracks
DE19610089A1 (de) * 1996-03-14 1997-09-18 Thomson Brandt Gmbh Spurführung bei Längsspuraufzeichnung mit einer Vielzahl paralleler Spuren
TW352433B (en) * 1996-12-10 1999-02-11 Philips Electronics Nv System for recording and/or reproducing information, medium for use in the system, and magnetic head for formating the medium
US5946156A (en) * 1997-03-04 1999-08-31 Imation Corp. Tape servo system and methods, write/read heads, and servo track configurations regarding same
EP0962016A1 (de) * 1997-12-22 1999-12-08 Koninklijke Philips Electronics N.V. Informationsaufzeichnung- und/oder wiedergabesystem, medium für den gebrauch in dem system und magnetischer prägekopf und anordnung zum formatierung des mediums
US6195230B1 (en) * 1998-04-27 2001-02-27 Intel Corporation Disk head assembly with multiple read and/or write transducers for improved performance
US6388830B1 (en) 1998-07-31 2002-05-14 Seagate Technology Llc Head switching operation utilizing an automatic dummy load
DE19846835A1 (de) * 1998-10-10 2000-04-13 Thomson Brandt Gmbh Verfahren zur Spurlageregelung
US6330123B1 (en) 1999-05-28 2001-12-11 Imation Corp. Head assembly having a single pass servo writer
US7289285B2 (en) * 2002-10-24 2007-10-30 Charles Frederick James Barnes Information storage systems
GB2422243B (en) * 2002-10-24 2007-05-09 Charles Frederick James Barnes Information storage systems
GB0224779D0 (en) * 2002-10-24 2002-12-04 Barnes Charles F J Information storage system
US7447140B2 (en) 2004-07-30 2008-11-04 Seagate Technology Llc Ferroelectric probe storage apparatus
US8310777B2 (en) * 2009-09-09 2012-11-13 International Business Machines Corporation Systems and methods for reducing crosstalk between adjacent writers
US9177598B2 (en) * 2011-11-21 2015-11-03 Marvell International Ltd. Device, method of fabricating a media and method of servo writing
US9245556B2 (en) * 2014-03-10 2016-01-26 Western Digital Technologies, Inc. Disk drive employing multiple read elements to increase radial band for two-dimensional magnetic recording
US9070406B1 (en) 2014-03-10 2015-06-30 Western Digital Technologies, Inc. Disk drive configuring one-dimensional and two-dimensional recording areas based on read element spacing
US9601154B2 (en) * 2014-11-24 2017-03-21 Seagate Technology Llc Prioritized random access for magnetic recording

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263031A (en) * 1962-05-29 1966-07-26 Sperry Rand Corp High-low frequency homing
US3292168A (en) * 1962-08-13 1966-12-13 Sperry Rand Corp High resolution, head positioner system
US3769465A (en) * 1969-08-18 1973-10-30 Ibm Electronic servo in magnetic recording readout
FR2299694A1 (fr) * 1975-01-31 1976-08-27 Ibm Dispositif d'acces aux pistes d'un milieu d'enregistrement tel qu'un disque magnetique
US4007493A (en) * 1975-05-06 1977-02-08 Burroughs Corporation Track positioning system for magnetic transducer head
JPS54135520A (en) * 1978-04-12 1979-10-20 Mitsubishi Electric Corp Magnetic disc apparatus
US4575775A (en) * 1984-08-27 1986-03-11 International Business Machines Corporation Magnetic recording disk having a sector servo pattern for use with a multiple element head

Also Published As

Publication number Publication date
JPS62172578A (ja) 1987-07-29
JPH0668893B2 (ja) 1994-08-31
US4903151A (en) 1990-02-20
EP0231103A3 (en) 1988-09-14
EP0231103A2 (de) 1987-08-05
EP0231103B1 (de) 1992-05-06

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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