NO973637L - Posisjonering av et hode relativt flere spor - Google Patents

Posisjonering av et hode relativt flere spor

Info

Publication number
NO973637L
NO973637L NO973637A NO973637A NO973637L NO 973637 L NO973637 L NO 973637L NO 973637 A NO973637 A NO 973637A NO 973637 A NO973637 A NO 973637A NO 973637 L NO973637 L NO 973637L
Authority
NO
Norway
Prior art keywords
head
signals
positioning
tracks
response
Prior art date
Application number
NO973637A
Other languages
English (en)
Norwegian (no)
Other versions
NO973637D0 (no
Inventor
Abraham Hoogendoorn
Johannes Jozef Wilhelmus Kalfs
Original Assignee
Philips Electronics Nv
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 Nv filed Critical Philips Electronics Nv
Publication of NO973637D0 publication Critical patent/NO973637D0/no
Publication of NO973637L publication Critical patent/NO973637L/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
    • G11B5/48—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)
NO973637A 1995-12-07 1997-08-06 Posisjonering av et hode relativt flere spor NO973637L (no)

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
NO973637D0 NO973637D0 (no) 1997-08-06
NO973637L true NO973637L (no) 1997-09-26

Family

ID=8220912

Family Applications (1)

Application Number Title Priority Date Filing Date
NO973637A NO973637L (no) 1995-12-07 1997-08-06 Posisjonering av et hode relativt flere spor

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
WO2001046948A1 (en) 1999-12-21 2001-06-28 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
DE59010676D1 (de) * 1990-08-14 1997-04-17 Tandberg Data 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
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
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
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
HUP9801257A3 (en) 1999-12-28
IL121459A0 (en) 1998-02-08
NO973637D0 (no) 1997-08-06
JPH11500255A (ja) 1999-01-06
HUP9801257A2 (hu) 1998-10-28
KR19980701983A (ko) 1998-06-25
IL121459A (he) 2001-10-31
WO1997021213A1 (en) 1997-06-12
BG101817A (en) 1998-02-27
BG63440B1 (bg) 2002-01-31
US5805372A (en) 1998-09-08
EP0813738A1 (en) 1997-12-29

Similar Documents

Publication Publication Date Title
ES477439A1 (es) Un metodo de controlar la posicion de una cabeza lectora inscriptora.
KR970017507A (ko) 디스크 구동 기록장치의 서보 샘플링 타이밍 발생회로 및 그에 따른 헤드간 위치 오프셋 보상방법
KR940704043A (ko) 광 디스크 어드레싱 장치와 그 사용법(optical disc addressing devices, a method of use thereof)
US4639796A (en) Arrangement for positioning a transducer to at least one track of a tape-shaped recording medium
GB1507316A (en) Optical mass data memory
DE3676418D1 (de) Spurverfolgungssteuerungsgeraet.
NO973637L (no) Posisjonering av et hode relativt flere spor
US3669521A (en) Time sensed static beam holographic storage system
MY106732A (en) Optical recording and/or reproducing apparatus.
KR890017691A (ko) 기록 및 재생 장치
ATE122173T1 (de) Optisches aufzeichnungs- und wiedergabesystem mit doppelter lichtquelle.
US6501724B2 (en) Method and apparatus for parallel readout and correlation of data on optical disks
US6965554B2 (en) Method and apparatus for parallel readout and correlation of data on optical disks
AU2003274602A1 (en) Tilt control for reading information
KR950009577A (ko) 광학식 기록매체 및 기록재생시스템
GB2223346A (en) Videotape certifier
JPS6370903A (ja) 情報記録装置
TW340216B (en) Recording and reproducing an information signal on/from a longitudinal record carrier provided with tracking signals
KR930014516A (ko) 기록 재생 장치
SU462185A1 (ru) Аналоговый интерференционный корел тор
ATE47243T1 (de) Anzeigegeraet fuer ein pcm-aufnahmegeraet mit mehreren kanaelen.
JPH0373957B2 (he)
SU1712960A1 (ru) Устройство дл воспроизведени информации с оптического носител
SU605239A1 (ru) Устройство перезаписи информации по магнитной ленте
JPS544101A (en) Signal pickupdevice for reproducing system using rotary information recording medium

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application