DE68920820D1 - Kopfwagenanordnung für Antrieb flexibler, magnetischer Scheiben von hoher Spurdichte. - Google Patents

Kopfwagenanordnung für Antrieb flexibler, magnetischer Scheiben von hoher Spurdichte.

Info

Publication number
DE68920820D1
DE68920820D1 DE68920820T DE68920820T DE68920820D1 DE 68920820 D1 DE68920820 D1 DE 68920820D1 DE 68920820 T DE68920820 T DE 68920820T DE 68920820 T DE68920820 T DE 68920820T DE 68920820 D1 DE68920820 D1 DE 68920820D1
Authority
DE
Germany
Prior art keywords
magnetic disks
head carriage
track density
high track
driving flexible
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 - Fee Related
Application number
DE68920820T
Other languages
English (en)
Other versions
DE68920820T2 (de
Inventor
Stephen P Williams
Roger O Williams
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.)
Insite Peripherals
Original Assignee
Insite Peripherals
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 Insite Peripherals filed Critical Insite Peripherals
Publication of DE68920820D1 publication Critical patent/DE68920820D1/de
Application granted granted Critical
Publication of DE68920820T2 publication Critical patent/DE68920820T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/48—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
    • G11B5/59677—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 with optical servo tracking
    • 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
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
    • 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
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5565—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for compensation of variations of physical parameters, e.g. temperature
DE68920820T 1988-11-10 1989-11-08 Kopfwagenanordnung für Antrieb flexibler, magnetischer Scheiben von hoher Spurdichte. Expired - Fee Related DE68920820T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/269,778 US4969058A (en) 1988-11-10 1988-11-10 CArriage assembly for high track density flexible magnetic disk drive

Publications (2)

Publication Number Publication Date
DE68920820D1 true DE68920820D1 (de) 1995-03-09
DE68920820T2 DE68920820T2 (de) 1995-06-08

Family

ID=23028624

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920820T Expired - Fee Related DE68920820T2 (de) 1988-11-10 1989-11-08 Kopfwagenanordnung für Antrieb flexibler, magnetischer Scheiben von hoher Spurdichte.

Country Status (4)

Country Link
US (1) US4969058A (de)
EP (1) EP0368268B1 (de)
JP (1) JPH02198076A (de)
DE (1) DE68920820T2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2777630B2 (ja) * 1989-04-07 1998-07-23 株式会社日立製作所 磁気ディスク装置
EP0423661A3 (en) * 1989-10-20 1993-08-04 Insite Peripherals, Inc. Dual magnetic head and method for writing on very high track density and conventional track density floppy disk
JP2607756B2 (ja) * 1990-07-18 1997-05-07 シーゲイト テクノロジー インターナショナル 磁気ディスクのトラック上でトランスデューサーを位置決めする装置
EP0484774A3 (en) * 1990-11-09 1993-09-29 Insite Peripherals, Inc. Very high-density diskette format method and computer-implemented process
US5251085A (en) * 1991-07-17 1993-10-05 Maxtor Corporation Pivotable arm assembly with reduced thermal distortion
JPH0982048A (ja) * 1995-09-12 1997-03-28 Toshiba Corp ディスク記録再生装置に適用するヘッドアクチュエータ機構及びその駆動制御方式
US20030054203A1 (en) * 1997-10-22 2003-03-20 Quantum Corporation, A California Corporation Magnetic tape
US6084740A (en) 1997-12-01 2000-07-04 Storage Technology Corporation Optical servo system for a tape drive
JPH11273279A (ja) * 1998-03-20 1999-10-08 Fujitsu Ltd ディスク装置及びヘッドキャリッジ装置
DE19913382C2 (de) 1998-03-24 2002-08-14 Quantum Corp Mehrkanaliges Magnetbandsystem mit einem optischen Spur-Servo
US7029726B1 (en) 1999-07-27 2006-04-18 Quantum Corporation Method for forming a servo pattern on a magnetic tape
US7153366B1 (en) 1998-03-24 2006-12-26 Quantum Corporation Systems and method for forming a servo pattern on a magnetic tape
WO2000049604A1 (fr) 1999-02-16 2000-08-24 Quantum Corporation Procede d'ecriture de signaux d'asservissement sur une bande magnetique
WO2000049605A1 (fr) 1999-02-17 2000-08-24 Quantum Corporation Procede d'ecriture de signaux d'asservissement sur une bande magnetique
US6961200B2 (en) 1999-07-27 2005-11-01 Quantum Corporation Optical servo track identification on tape storage media
US20030189782A1 (en) * 2002-04-04 2003-10-09 Storage Technology Corporation Optical servo system for a tape drive
US6558774B1 (en) 1999-08-17 2003-05-06 Quantum Corporation Multiple-layer backcoating for magnetic tape
DE19962247A1 (de) 1999-12-22 2001-09-20 Agie Sa Bewegungsübertragungsvorrichtung
US6760195B2 (en) 2000-04-17 2004-07-06 Seagate Technology Llc Intrinsically excitable actuator assembly
US6940676B1 (en) 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
US6940681B2 (en) 2001-08-20 2005-09-06 Quantum Corporation Optical to magnetic alignment in magnetic tape system
US7023650B2 (en) 2001-11-07 2006-04-04 Quantum Corporation Optical sensor to recording head alignment
US7187515B2 (en) 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks
US6980390B2 (en) 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks
US8189298B1 (en) 2008-06-27 2012-05-29 Western Digital Technologies, Inc. Disk drive actuator having a C-shaped bobbin with wings adjacent longitudinal coil legs
US8125740B1 (en) 2010-05-11 2012-02-28 Western Digital Technologies, Inc. Disk drive actuator having a bobbin contacting a closed coil periphery at two locations

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924268A (en) * 1974-08-05 1975-12-02 Ibm High density track follower control system for magnetic disk file
JPS52136612A (en) * 1976-05-11 1977-11-15 Fujitsu Ltd Magnetic head device
JPS5471612A (en) * 1977-11-17 1979-06-08 Nec Corp Servo track writing device of magnetic disc memory device
FR2456990B1 (fr) * 1979-05-18 1986-07-18 Mitsubishi Electric Corp Perfectionnements aux mecanismes de support de tetes magnetiques pour appareils a disque magnetique
JPS5760503A (en) * 1980-09-26 1982-04-12 Seiko Epson Corp Magnetic disc memory
JPS57127969A (en) * 1981-01-28 1982-08-09 Hitachi Ltd Magnetic disc storage device
US4428012A (en) * 1981-05-04 1984-01-24 Miniscribe Corporation Method and apparatus for storing and retrieving information
JPS58122677A (ja) * 1982-01-18 1983-07-21 Hitachi Ltd 磁気ヘツド位置決め装置
US4630145A (en) * 1982-02-16 1986-12-16 Drivetec, Inc. Fine positioning apparatus for floppy disk drive
JPS59162672A (ja) * 1983-03-07 1984-09-13 Hitachi Ltd 磁気デイスク装置
JPS60170064A (ja) * 1984-02-10 1985-09-03 Hitachi Ltd 磁気ヘツド
JPH0351778Y2 (de) * 1984-08-31 1991-11-07
JPS6182388A (ja) * 1984-09-29 1986-04-25 Nec Home Electronics Ltd 垂直磁気記録再生装置
US4811143A (en) * 1986-03-31 1989-03-07 Kabushiki Kaisha Toshiba Head supporting mechanism for maintaining close operative relationship between magnetic heads and a flexible disk
JP2611970B2 (ja) * 1986-03-31 1997-05-21 株式会社東芝 フロツピーデイスク装置のキヤリツジ装置
US4816939A (en) * 1986-08-21 1989-03-28 Polaroid Corporation Magnetic recording media and servo systems using light-transmitting optical gratings
JPS63155457A (ja) * 1986-12-19 1988-06-28 Citizen Watch Co Ltd 磁気ヘツド支持機構
US4858040A (en) * 1987-08-25 1989-08-15 Ampex Corporation Bimorph actuator for a disk drive
US4935835A (en) * 1988-11-10 1990-06-19 Insite Peripherals, Inc. Magnetic media containing reference feature and methods for referencing magnetic head position to the reference feature

Also Published As

Publication number Publication date
JPH02198076A (ja) 1990-08-06
US4969058A (en) 1990-11-06
EP0368268A2 (de) 1990-05-16
DE68920820T2 (de) 1995-06-08
EP0368268B1 (de) 1995-01-25
EP0368268A3 (de) 1991-01-30

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee