BG63440B1 - Устройство за позициониране на глава спрямо множество пътечки - Google Patents

Устройство за позициониране на глава спрямо множество пътечки Download PDF

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Publication number
BG63440B1
BG63440B1 BG101817A BG10181797A BG63440B1 BG 63440 B1 BG63440 B1 BG 63440B1 BG 101817 A BG101817 A BG 101817A BG 10181797 A BG10181797 A BG 10181797A BG 63440 B1 BG63440 B1 BG 63440B1
Authority
BG
Bulgaria
Prior art keywords
head
signals
signal
track
control signal
Prior art date
Application number
BG101817A
Other languages
Bulgarian (bg)
English (en)
Other versions
BG101817A (en
Inventor
Abraham Hoogendoorn
Johannes KALFS
Original Assignee
Philips Electronics N.V.
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 Philips Electronics N.V. filed Critical Philips Electronics N.V.
Publication of BG101817A publication Critical patent/BG101817A/xx
Publication of BG63440B1 publication Critical patent/BG63440B1/bg

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
    • 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
    • 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)
  • Moving Of The Head To Find And Align With The Track (AREA)
BG101817A 1995-12-07 1997-08-06 Устройство за позициониране на глава спрямо множество пътечки BG63440B1 (bg)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203380 1995-12-07
PCT/IB1996/001287 WO1997021213A1 (en) 1995-12-07 1996-11-22 Positioning of a head relative to a plurality of tracks

Publications (2)

Publication Number Publication Date
BG101817A BG101817A (en) 1998-02-27
BG63440B1 true BG63440B1 (bg) 2002-01-31

Family

ID=8220912

Family Applications (1)

Application Number Title Priority Date Filing Date
BG101817A BG63440B1 (bg) 1995-12-07 1997-08-06 Устройство за позициониране на глава спрямо множество пътечки

Country Status (9)

Country Link
US (1) US5805372A (he)
EP (1) EP0813738A1 (he)
JP (1) JPH11500255A (he)
KR (1) KR19980701983A (he)
BG (1) BG63440B1 (he)
HU (1) HUP9801257A3 (he)
IL (1) IL121459A (he)
NO (1) NO973637L (he)
WO (1) WO1997021213A1 (he)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000511680A (ja) * 1997-04-03 2000-09-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 情報信号を記録担体に記録する装置及び方法
EP1157378A1 (en) 1999-12-21 2001-11-28 Koninklijke Philips Electronics N.V. System for recording and/or reproducing information, magnetic write head and magnetic tape for use in the system
US6469860B1 (en) * 2000-04-05 2002-10-22 Storage Technology Corporation Damped tape head
US7092196B2 (en) * 2004-06-23 2006-08-15 International Business Machines Corporation Characteristic measurement of an actuation drive coil and associated damping mechanism
US7436622B2 (en) * 2006-07-31 2008-10-14 Imation Corp. Concurrent servo and data track writing
US8755142B2 (en) * 2012-06-20 2014-06-17 HGST Netherlands B.V. Magnetic recording disk drive with method for data preservation during high track misregistration (TMR) environment

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318141A (en) * 1979-12-07 1982-03-02 International Business Machines Corp. Buried servo recording systems and methods
US4472750A (en) * 1981-07-02 1984-09-18 Irwin Magnetic Systems, Inc. Data record with pre-recorded transducer positioning signals, and system for utilizing same
US4586094A (en) * 1984-03-13 1986-04-29 Irwin Magnetic Systems, Inc. Method and apparatus for pre-recording tracking information on magnetic media
JPH0668893B2 (ja) * 1986-01-23 1994-08-31 日本電信電話株式会社 磁気ヘツドの位置決め制御方式
US5121270A (en) * 1989-09-19 1992-06-09 Alcudia Ezra R Multitransducer head positioning servo for use in a bi-directional magnetic tape system
EP0471101B1 (de) * 1990-08-14 1997-03-12 Tandberg Data A/S Verfahren zum Positionieren eines Magnetkopfes gegenüber dem Speichermedium eines Magnetschichtspeichers
US5379165A (en) * 1993-03-19 1995-01-03 Tandberg Data A/S Method and apparatus for improving the accuracy of a tape servo track seek algorithm by using longitudinally correlated waveforms of lateral tape movement unique to each tape cassette
US5432652A (en) * 1993-06-14 1995-07-11 International Business Machines Corporation Servo and data format for magnetic tape having plural spaced-apart servo areas interleaved with data track areas having serpentine track scanning using any one of a plurality of number of concurrently accessed tracks
JP2644182B2 (ja) * 1993-06-14 1997-08-25 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 多重トラック磁気テープ装置を初期化する装置及び方法
US5574602A (en) * 1993-06-14 1996-11-12 International Business Machines Corporation Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning
US5488525A (en) * 1994-08-18 1996-01-30 International Business Machines Corporation Decoupled magnetic head assembly for quarter-inch tape

Also Published As

Publication number Publication date
IL121459A0 (en) 1998-02-08
BG101817A (en) 1998-02-27
KR19980701983A (ko) 1998-06-25
WO1997021213A1 (en) 1997-06-12
NO973637D0 (no) 1997-08-06
NO973637L (no) 1997-09-26
HUP9801257A2 (hu) 1998-10-28
EP0813738A1 (en) 1997-12-29
HUP9801257A3 (en) 1999-12-28
IL121459A (he) 2001-10-31
JPH11500255A (ja) 1999-01-06
US5805372A (en) 1998-09-08

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