DE69721479D1 - Magnetkopf mit vier kanälen mit und zwei kanälen ohne azimut zur längsgerichteten aufzeichnung mit hinterbandkontrolle - Google Patents

Magnetkopf mit vier kanälen mit und zwei kanälen ohne azimut zur längsgerichteten aufzeichnung mit hinterbandkontrolle

Info

Publication number
DE69721479D1
DE69721479D1 DE69721479T DE69721479T DE69721479D1 DE 69721479 D1 DE69721479 D1 DE 69721479D1 DE 69721479 T DE69721479 T DE 69721479T DE 69721479 T DE69721479 T DE 69721479T DE 69721479 D1 DE69721479 D1 DE 69721479D1
Authority
DE
Germany
Prior art keywords
channels
rearband
azimut
control
magnetic 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 - Lifetime
Application number
DE69721479T
Other languages
English (en)
Other versions
DE69721479T2 (de
Inventor
M Panish
A Saliba
R Steinberg
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.)
Quantum Corp
Original Assignee
Quantum 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 Quantum Corp filed Critical Quantum Corp
Publication of DE69721479D1 publication Critical patent/DE69721479D1/de
Application granted granted Critical
Publication of DE69721479T2 publication Critical patent/DE69721479T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
    • 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
    • G11B5/5513—Specially adapted for transducing in both travelling directions of tape
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • 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
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2651—Manufacture
    • 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one 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
    • G11B5/4893—Disposition of heads relative to moving tape
    • 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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
    • G11B5/534—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis inclined relative to the direction of movement of the tape, e.g. for helicoidal scanning
    • 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
    • G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
DE69721479T 1996-01-11 1997-01-08 Magnetkopf mit vier kanälen mit und zwei kanälen ohne azimut zur längsgerichteten aufzeichnung mit hinterbandkontrolle Expired - Lifetime DE69721479T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US970896P 1996-01-11 1996-01-11
US9708P 1996-01-11
US08/760,794 US5867339A (en) 1996-01-11 1996-12-04 Two channel azimuth and two channel non-azimuth read-after-write longitudinal magnetic head
US760794 1996-12-04
PCT/US1997/000344 WO1997025710A1 (en) 1996-01-11 1997-01-08 Four channel azimuth and two channel non-azimuth read-after-write longitudinal magnetic head

Publications (2)

Publication Number Publication Date
DE69721479D1 true DE69721479D1 (de) 2003-06-05
DE69721479T2 DE69721479T2 (de) 2004-04-08

Family

ID=26679803

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69721479T Expired - Lifetime DE69721479T2 (de) 1996-01-11 1997-01-08 Magnetkopf mit vier kanälen mit und zwei kanälen ohne azimut zur längsgerichteten aufzeichnung mit hinterbandkontrolle

Country Status (7)

Country Link
US (3) US5867339A (de)
EP (1) EP0873559B1 (de)
JP (1) JP2000503447A (de)
KR (1) KR19990077163A (de)
AU (1) AU1694697A (de)
DE (1) DE69721479T2 (de)
WO (1) WO1997025710A1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0919990A3 (de) * 1997-11-24 1999-08-18 Hewlett-Packard Company Fähigkeit zum Lesen/Schreiben von Bändern älterer Generationen im longitudinalen Aufzeichnungsmodus durch Ausschneiden von Spuren
US6275350B1 (en) 1998-04-03 2001-08-14 Hewlett-Packard Company Magnetic head and method for compensating for magnetic tape dimensional instability
US6141174A (en) * 1998-08-14 2000-10-31 Quantum Corporation Method of reading recorded information from a magnetic tape that compensates for track pitch changes
US6188532B1 (en) 1998-09-08 2001-02-13 Quantum Corporation Backward compatible head and head positioning assembly for a linear digital tape drive
US6369982B2 (en) * 1998-09-08 2002-04-09 Quantum Corporation Floating tape head having side wings for longitudinal and azimuth play back with minimized tape wrap angle
US7773340B2 (en) * 1999-02-23 2010-08-10 Advanced Research Corporation Patterned magnetic recording head having a gap pattern with substantially elliptical or substantially diamond-shaped termination pattern
US6269533B2 (en) * 1999-02-23 2001-08-07 Advanced Research Corporation Method of making a patterned magnetic recording head
US6453448B1 (en) * 1999-06-03 2002-09-17 Micron Technology, Inc. Functional level configuration of input-output test circuitry
US6496328B1 (en) * 1999-12-30 2002-12-17 Advanced Research Corporation Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads
JP2004145948A (ja) * 2002-10-23 2004-05-20 Fuji Photo Film Co Ltd 磁気テープドライブ
JP2004227704A (ja) * 2003-01-24 2004-08-12 Sony Corp ヘッド装置、記録再生装置及び磁気記録方法
US6947247B2 (en) 2003-03-05 2005-09-20 Advanced Research Corporation Large angle azimuth recording and head configurations
EP1498877A1 (de) * 2003-07-15 2005-01-19 O-Mass AS Schreibkopfanordnung
US7149050B2 (en) * 2003-10-20 2006-12-12 Quantum Corporation Diffractive position sensors and control systems
US7116514B2 (en) * 2003-10-20 2006-10-03 Quantum Corporation Methods and systems for magnetic recording
US7102845B2 (en) * 2003-10-20 2006-09-05 Quantum Corporation Servo methods and systems using existing data structures and medium edge position
US7085095B2 (en) * 2003-10-20 2006-08-01 Quantum Corporation Electromagnetic void-sensing probes and position control systems
US7136255B2 (en) * 2003-10-20 2006-11-14 Quantum Corporation Servo methods and systems using masked medium edge position sensors
US7139152B2 (en) * 2003-10-20 2006-11-21 Quantum Corporation Servo methods and systems using existing data structures and optical masks
US8144424B2 (en) 2003-12-19 2012-03-27 Dugas Matthew P Timing-based servo verify head and magnetic media made therewith
US7283317B2 (en) * 2004-01-30 2007-10-16 Advanced Research Corporation Apparatuses and methods for pre-erasing during manufacture of magnetic tape
US20100321824A1 (en) * 2004-02-18 2010-12-23 Dugas Matthew P Magnetic recording head having secondary sub-gaps
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
US7184233B2 (en) * 2004-06-04 2007-02-27 Quantum Corporation Dual source tracking servo systems and associated methods
US20060103968A1 (en) * 2004-11-12 2006-05-18 Jurneke Joe K Dynamic skew compensation systems and associated methods
US7499235B2 (en) * 2005-03-18 2009-03-03 Quantum Corporation Auto-servo tape system and associated recording head
US7826169B2 (en) * 2007-04-25 2010-11-02 Quantum Corporation Servo error detection and compensation utilizing virtual data tracking servo methods
US7570450B2 (en) * 2007-09-14 2009-08-04 International Business Machines Corporation Tape heads for use with multiple tape formats
US20090174963A1 (en) * 2008-01-03 2009-07-09 Jason Liang Tape-based data storage system and head enabling compounded reading rate
WO2009094516A1 (en) * 2008-01-23 2009-07-30 Advanced Research Corporation Recording heads with embedded tape guides and magnetic media made by such recording heads
US8068301B2 (en) * 2008-03-28 2011-11-29 Advanced Research Corporation Magnetic media formed by a thin film planar arbitrary gap pattern magnetic head
WO2011014836A2 (en) * 2009-07-31 2011-02-03 Advanced Research Corporation Erase drive systems and methods of erasure for tape data cartridge
US8665560B1 (en) 2013-01-14 2014-03-04 International Business Machines Corporation Head with supplemental module for backward and/or cross-platform compatibility
US9449628B2 (en) * 2013-05-01 2016-09-20 International Business Machines Corporation Quasi-statically oriented, bi-directional tape recording head
US9208809B2 (en) 2013-05-01 2015-12-08 International Business Machines Corporation Magnetic head and system having offset arrays
US9129614B2 (en) 2013-05-01 2015-09-08 International Business Machines Corporation Magnetic head having canted arrays
US8982495B2 (en) 2013-07-09 2015-03-17 International Business Machines Corporation Multi-format read drive
US8797682B1 (en) 2013-08-21 2014-08-05 International Business Machines Corporation Quasi-statically tilted magnetic tape head having backward compatibility
US8810957B1 (en) 2013-09-05 2014-08-19 International Business Machines Corporation Quasi-statically tilted head having dilated transducer pitch
US9214164B2 (en) 2013-09-16 2015-12-15 International Business Machines Corporation Miniskirt tape head having quasi-statically tilted transducer arrays
US9218838B2 (en) 2013-12-12 2015-12-22 International Business Machines Corporation Quasi-statically tilted head having offset reader/writer transducer pairs
US9007712B1 (en) 2013-12-16 2015-04-14 International Business Machines Corporation Backward compatible head for quasi-static tilted reading and/or recording
US9117470B1 (en) 2014-07-17 2015-08-25 International Business Machines Corporation Write delay to de-skew data in read while write function for tape storage devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938962A (en) * 1955-07-12 1960-05-31 Konins Azimuth seeking reproducing head
US4539615A (en) * 1981-06-08 1985-09-03 Hitachi, Ltd. Azimuthal magnetic recording and reproducing apparatus
JPS5992418A (ja) * 1982-11-19 1984-05-28 Hitachi Ltd 多素子磁気ヘツド
US5289328A (en) * 1992-05-26 1994-02-22 George Saliba Method and apparatus for variable density read-after-writing on magnetic tape
US5307217A (en) * 1992-06-24 1994-04-26 Digital Equipment Corporation Magnetic head for very high track density magnetic recording
US5523904A (en) * 1992-06-24 1996-06-04 Quantum Corporation Linear tape write servo using embedded azimuth servo blocks
US5371638A (en) * 1992-06-24 1994-12-06 Digital Equipment Corporation Servo method and apparatus for very high track density magnetic recording by adjusting head position based on servo information read from adjacent track
WO1997018555A1 (en) * 1995-11-13 1997-05-22 Quantum Corporation Head tilt mechanism for azimuth recortding in tape drives

Also Published As

Publication number Publication date
US6130804A (en) 2000-10-10
US5973874A (en) 1999-10-26
US5867339A (en) 1999-02-02
JP2000503447A (ja) 2000-03-21
EP0873559A1 (de) 1998-10-28
KR19990077163A (ko) 1999-10-25
AU1694697A (en) 1997-08-01
EP0873559A4 (de) 1999-03-24
WO1997025710A1 (en) 1997-07-17
EP0873559B1 (de) 2003-05-02
DE69721479T2 (de) 2004-04-08

Similar Documents

Publication Publication Date Title
DE69721479D1 (de) Magnetkopf mit vier kanälen mit und zwei kanälen ohne azimut zur längsgerichteten aufzeichnung mit hinterbandkontrolle
DE69733295D1 (de) Aufzeichnungskopf und Aufzeichnungsapparat unter Verwendung derselben
DE69710956T2 (de) Aufzeichnungskopf und Aufzeichnungsapparat
DE69738561D1 (de) Dünnfilm-Magnetkopf
DE69418805D1 (de) Farbstrahlkopf und Farbstrahlaufzeichnungsgerät damit versehen
DE69508783D1 (de) Autopilot mit Lern- und Wiedergabemoden
GB2312082B (en) Head gimbal assembly and hard magnetic disk unit with the same
SG67390A1 (en) Magnetic recording media and magnetic recording system using the same
SG48525A1 (en) Suspension for supporting magnetic head slider and head gimbal assembly with the suspension and the slider
DE69422048T2 (de) Tintenstrahlaufzeichnungsverfahren und aufzeichnungsmaterial
DE69826182D1 (de) Eine Vielkanal-Aufnahme und Wiedergabeanlage
DE69705031T2 (de) Tintenstrahlaufzeichnungskopf
DE69505219T2 (de) Festplattenkopfsteuerung
DE69737796D1 (de) Aufzeichnungskopf und Aufzeichnungsgerät
DE69737896D1 (de) Bestückungsverfahren und Bestückungskopf
DE69725073D1 (de) Aufzeichnungskopf und Aufzeichnungsverfahren
DE69705335T2 (de) Aufzeichnungsvorrichtung und Aufzeichnungssteuerungsverfahren
DE69706096T2 (de) Magnetkopf und Plattenlaufwerk mit demselben
DE69709575D1 (de) Magnetischer Aufzeichnungsträger und diesen Träger verwendendes magnetisches Aufzeichnungssystem
SG52926A1 (en) Perpendicular magnetic recording medium and magnetic recording device using the same
DE69711019T2 (de) Thermokopfanordnung mit mehreren Thermoköpfen
SG47214A1 (en) Thin-film magnetic head
DE68923933D1 (de) System mit Magnetkopf und beweglichem Magnetaufzeichnungsträger.
GB2317739B (en) Head gimbal assembly and hard magnetic disk unit with the same
SG48521A1 (en) Thin-film magnetic head

Legal Events

Date Code Title Description
8364 No opposition during term of opposition