NO922249L - Flerspors servo-opptakshode, resulterende medium som inneholder forhaandsregistrert servospor samt servostyrt hodeposisjoneringssystem - Google Patents

Flerspors servo-opptakshode, resulterende medium som inneholder forhaandsregistrert servospor samt servostyrt hodeposisjoneringssystem

Info

Publication number
NO922249L
NO922249L NO92922249A NO922249A NO922249L NO 922249 L NO922249 L NO 922249L NO 92922249 A NO92922249 A NO 92922249A NO 922249 A NO922249 A NO 922249A NO 922249 L NO922249 L NO 922249L
Authority
NO
Norway
Prior art keywords
servo
head
servospor
drived
multiples
Prior art date
Application number
NO92922249A
Other languages
English (en)
Norwegian (no)
Other versions
NO922249D0 (no
Inventor
Theodore A Schwarz
Robert J Youngquist
Bennett G Dy
Richard W Molstad
Original Assignee
Minnesota Mining & Mfg
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
Priority claimed from US07/712,346 external-priority patent/US5229895A/en
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of NO922249D0 publication Critical patent/NO922249D0/no
Publication of NO922249L publication Critical patent/NO922249L/no

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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
NO92922249A 1991-06-07 1992-06-05 Flerspors servo-opptakshode, resulterende medium som inneholder forhaandsregistrert servospor samt servostyrt hodeposisjoneringssystem NO922249L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/712,346 US5229895A (en) 1991-06-07 1991-06-07 Multi-track servo recording head assembly
US74167791A 1991-08-07 1991-08-07

Publications (2)

Publication Number Publication Date
NO922249D0 NO922249D0 (no) 1992-06-05
NO922249L true NO922249L (no) 1992-12-08

Family

ID=27108814

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92922249A NO922249L (no) 1991-06-07 1992-06-05 Flerspors servo-opptakshode, resulterende medium som inneholder forhaandsregistrert servospor samt servostyrt hodeposisjoneringssystem

Country Status (7)

Country Link
US (1) US5426543A (fr)
EP (2) EP0829853A3 (fr)
JP (1) JPH05182131A (fr)
KR (1) KR930001132A (fr)
CN (1) CN1067760A (fr)
DE (1) DE69225528T2 (fr)
NO (1) NO922249L (fr)

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US5726824A (en) * 1991-12-10 1998-03-10 Exabyte Corporation Head positioning in a multi-track magnetic tape recorder/player
US5396376A (en) * 1992-03-23 1995-03-07 Conner Peripherals, Inc. Multi-track embedded servo recording format and method
US5331493A (en) * 1992-08-21 1994-07-19 Minnesota Mining And Manufacturing Company Bidirectional thin-film magnetoresistive tape head assembly
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
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
US5602703A (en) * 1994-12-27 1997-02-11 Seagate Technology, Inc. Recording head for recording track-centering servo signals on a multi-track recording medium
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
US6061196A (en) 1996-12-10 2000-05-09 Onstream, Inc. System for recording and/or reproducing information medium for use in the system, and magnetic write head and arrangement for formatting the medium
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
US6023385A (en) * 1997-02-21 2000-02-08 Storage Technology Corporation Tape servo pattern with enhanced synchronization properties
US5946156A (en) * 1997-03-04 1999-08-31 Imation Corp. Tape servo system and methods, write/read heads, and servo track configurations regarding same
US6134070A (en) * 1997-05-22 2000-10-17 Imation Corp. Encoded servo track configurations, servo writer and systems/method regarding same
US6456449B1 (en) 1997-08-07 2002-09-24 International Business Machines Corporation Disk drive with wide servo burst pattern and wide servo sensing element
US6243225B1 (en) 1998-10-23 2001-06-05 Storage Technology Corporation Adaptive filter for redundant sensor sampled magnetic tape drive control system
US6330123B1 (en) 1999-05-28 2001-12-11 Imation Corp. Head assembly having a single pass servo writer
US6661600B1 (en) 2000-11-02 2003-12-09 International Business Machines Corporation Calibration of servo index positions of a magnetic tape employing second order curve fitting
US6873487B2 (en) * 2001-11-26 2005-03-29 Imation Corp. Hybrid servopositioning systems
JP2003162874A (ja) * 2001-11-27 2003-06-06 Toshiba Corp ヘッド位置決め情報書き込み装置及び方法
US6999258B2 (en) * 2002-03-01 2006-02-14 Imation Ccorp. Time-based servopositioning systems
KR100989206B1 (ko) * 2008-10-08 2010-10-20 풍원공업 주식회사 탑 로드 타입용 도어 힌지
WO2011014836A2 (fr) 2009-07-31 2011-02-03 Advanced Research Corporation Système de commande d’effacement et procédés d’effacement pour cartouche de données en bande
US8310780B2 (en) 2010-07-20 2012-11-13 International Business Machines Corporation Method and apparatus for bipolar servo marks writing with high output
WO2013122550A1 (fr) 2012-02-17 2013-08-22 Agency For Science, Technology And Research Support d'enregistrement et procédé d'écriture d'informations d'asservissement dessus

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US3813693A (en) * 1970-08-28 1974-05-28 Ampex Magnetic head with protective pockets of glass adjacent the corners of the gap
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US4007493A (en) * 1975-05-06 1977-02-08 Burroughs Corporation Track positioning system for magnetic transducer head
NL7810250A (nl) * 1978-10-12 1980-04-15 Philips Nv Werkwijze voor het inschrijven van informatie en spoor- volgsignalen en een inrichting voor het uitvoeren van de werkwijze.
JPS55117728A (en) * 1979-03-06 1980-09-10 Victor Co Of Japan Ltd Magnetic head
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US4313143A (en) * 1979-09-04 1982-01-26 Minnesota Mining And Manufacturing Co. Head positioning mechanism for data cartridge recorder
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US4498129A (en) * 1981-07-02 1985-02-05 Irwin Magnetic Systems, Inc. Method and apparatus for normalizing servo-positioning signals
US4462053A (en) * 1981-07-02 1984-07-24 Irwin International, Inc. Method for controlling a disc head
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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
JPH01176373A (ja) * 1987-12-29 1989-07-12 Fuji Electric Co Ltd ディスク記憶装置の基準トラック検出方法
US4979051A (en) * 1988-03-22 1990-12-18 Eggebeen James A Bimodal multi-track magnetic head
US4975791A (en) * 1988-03-22 1990-12-04 Carlisle Memory Products Group Incorporated Recording system having head transducers with controlled skew
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
JPH0366053A (ja) * 1989-08-04 1991-03-20 Matsushita Electric Ind Co Ltd 磁気記録再生装置
US5121270A (en) * 1989-09-19 1992-06-09 Alcudia Ezra R Multitransducer head positioning servo for use in a bi-directional magnetic tape system

Also Published As

Publication number Publication date
EP0517531A2 (fr) 1992-12-09
EP0517531B1 (fr) 1998-05-20
DE69225528T2 (de) 1998-12-24
CN1067760A (zh) 1993-01-06
KR930001132A (ko) 1993-01-16
DE69225528D1 (de) 1998-06-25
EP0517531A3 (en) 1993-01-13
EP0829853A2 (fr) 1998-03-18
NO922249D0 (no) 1992-06-05
US5426543A (en) 1995-06-20
EP0829853A3 (fr) 1998-05-13
JPH05182131A (ja) 1993-07-23

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