BR8904646A - Membro de armazenamento de dados de servo-rastreamento,aparelho de posicionamento para dispositivos de armazenamento de dados,e processo de posicionar cabecas transdutores em aparelhos de processamento de dados do tipo que grava e reproduz dados sobre um membro de gravacao movel - Google Patents

Membro de armazenamento de dados de servo-rastreamento,aparelho de posicionamento para dispositivos de armazenamento de dados,e processo de posicionar cabecas transdutores em aparelhos de processamento de dados do tipo que grava e reproduz dados sobre um membro de gravacao movel

Info

Publication number
BR8904646A
BR8904646A BR898904646A BR8904646A BR8904646A BR 8904646 A BR8904646 A BR 8904646A BR 898904646 A BR898904646 A BR 898904646A BR 8904646 A BR8904646 A BR 8904646A BR 8904646 A BR8904646 A BR 8904646A
Authority
BR
Brazil
Prior art keywords
data storage
data
servo
recording
storage
Prior art date
Application number
BR898904646A
Other languages
English (en)
Inventor
Michael I Behr
Original Assignee
Irwin Magnetic Systems Inc
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 Irwin Magnetic Systems Inc filed Critical Irwin Magnetic Systems Inc
Publication of BR8904646A publication Critical patent/BR8904646A/pt

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
    • G11B5/58—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
    • 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
    • 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
    • G11B5/5965—Embedded servo format

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Position Or Direction (AREA)
BR898904646A 1989-03-10 1989-09-15 Membro de armazenamento de dados de servo-rastreamento,aparelho de posicionamento para dispositivos de armazenamento de dados,e processo de posicionar cabecas transdutores em aparelhos de processamento de dados do tipo que grava e reproduz dados sobre um membro de gravacao movel BR8904646A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/321,915 US5055951A (en) 1989-03-10 1989-03-10 Method and apparatus for servo-positioning movable transducer heads

Publications (1)

Publication Number Publication Date
BR8904646A true BR8904646A (pt) 1991-03-19

Family

ID=23252604

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904646A BR8904646A (pt) 1989-03-10 1989-09-15 Membro de armazenamento de dados de servo-rastreamento,aparelho de posicionamento para dispositivos de armazenamento de dados,e processo de posicionar cabecas transdutores em aparelhos de processamento de dados do tipo que grava e reproduz dados sobre um membro de gravacao movel

Country Status (9)

Country Link
US (1) US5055951A (pt)
EP (1) EP0387104B1 (pt)
JP (1) JP2762307B2 (pt)
KR (1) KR100194088B1 (pt)
AT (1) ATE116759T1 (pt)
AU (1) AU630616B2 (pt)
BR (1) BR8904646A (pt)
CA (1) CA1334768C (pt)
DE (1) DE69015665T2 (pt)

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CA2127971C (en) 1993-09-23 1999-01-12 Todd Barry Anderson Method and apparatus for phase modulated servo positioning in a direct access storage device
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US6775088B2 (en) * 2001-06-01 2004-08-10 Seagate Technology Llc Vertically-oriented servo track writer and method
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US6754022B1 (en) 2001-07-16 2004-06-22 Imation Corp. High-speed current driver
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US6873487B2 (en) * 2001-11-26 2005-03-29 Imation Corp. Hybrid servopositioning systems
US6937421B2 (en) * 2002-01-11 2005-08-30 International Business Machines Corporation Patterned media having offset tracks
DE20202183U1 (de) * 2002-02-01 2002-06-06 Kretzschmar, Michael, Dr., 22453 Hamburg Baukasten
US6735039B1 (en) * 2002-03-29 2004-05-11 Imation Corp. Linear positioning encoding in amplitude-based servopositioning systems
US6831805B2 (en) * 2002-06-27 2004-12-14 International Business Machines Corporation Apparatus and method to read and/or write information to a magnetic tape medium
US7139151B2 (en) * 2003-03-03 2006-11-21 Imation Corp. Band identification in time-based servopositioning formats
US7142381B2 (en) * 2003-11-10 2006-11-28 Imation Corp. Servo writing devices for creating servo patterns with inherent track ID
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US7038871B2 (en) * 2003-11-10 2006-05-02 Imation Corp. Multi-band servo patterns with inherent track ID
JP2005166140A (ja) * 2003-12-01 2005-06-23 Fuji Photo Film Co Ltd 磁気テープカートリッジおよびサーボライタ、ならびに磁気テープドライブおよびサーボ信号読取方法
US8144424B2 (en) 2003-12-19 2012-03-27 Dugas Matthew P Timing-based servo verify head and magnetic media made therewith
US7511907B2 (en) * 2004-02-17 2009-03-31 Advanced Research Corporation Stepped time based servo pattern and head
US7301716B2 (en) * 2004-02-17 2007-11-27 Advanced Research Corporation Stepped time based servo pattern and head
US7450341B2 (en) * 2004-05-04 2008-11-11 Advanced Research Corporation Intergrated thin film subgap subpole structure for arbitrary gap pattern magnetic recording heads and method of making the same
US7206170B2 (en) * 2004-05-19 2007-04-17 Imetion Corp. Thin film servo head apparatus with canted servo gaps
US7265935B2 (en) * 2004-12-15 2007-09-04 International Business Machines Corporation Velocity adaptive compensator for a synchronous sampling time-based servo system
US7110212B2 (en) * 2004-12-15 2006-09-19 International Business Machines Corporation Compensator for a synchronous sampling time-base servo system
US7474486B2 (en) * 2005-11-18 2009-01-06 International Business Machines Corporation Magnetic storage media
US7511908B2 (en) * 2005-11-18 2009-03-31 International Business Machines Corporation Magnetic-polarity encoded servo position information for magnetic-based storage media
US7679858B2 (en) * 2005-11-18 2010-03-16 International Business Machines Corporation Method for differential timing based servo pattern for magnetic-based storage media
US7508609B2 (en) * 2006-10-25 2009-03-24 Spectra Logic Corporation Formatted storage media providing space for encrypted text and dedicated space for clear text
US20080144211A1 (en) * 2006-12-18 2008-06-19 Weber Mark P Servo techniques that mitigate an effect of read and write velocity variations on position error signal calculations
US7495859B2 (en) * 2007-02-20 2009-02-24 Imation Corp. Interleaved servo pattern
JP2008226397A (ja) * 2007-03-15 2008-09-25 Fujifilm Corp テープリール、記録テープカートリッジ、マシンリール、引出部材及びドライブ装置
JP2008243294A (ja) * 2007-03-27 2008-10-09 Fujifilm Corp テープリール、記録テープカートリッジ、マシンリール及びドライブ装置
JP2008276868A (ja) * 2007-04-27 2008-11-13 Fujifilm Corp テープリール、記録テープカートリッジ、マシンリール、引出部材及びドライブ装置
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US11783857B2 (en) 2020-12-08 2023-10-10 International Business Machines Corporation Data storage system and magnetic tape recording media with features for correcting the combined effects of tape skew and tape dimensional stability
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Also Published As

Publication number Publication date
AU3930989A (en) 1990-09-20
EP0387104A1 (en) 1990-09-12
JPH02249180A (ja) 1990-10-04
US5055951A (en) 1991-10-08
EP0387104B1 (en) 1995-01-04
KR900015111A (ko) 1990-10-25
AU630616B2 (en) 1992-11-05
DE69015665T2 (de) 1995-05-11
DE69015665D1 (de) 1995-02-16
ATE116759T1 (de) 1995-01-15
KR100194088B1 (ko) 1999-06-15
CA1334768C (en) 1995-03-14
JP2762307B2 (ja) 1998-06-04

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