DE3878611D1 - Kontrolsystem fuer magnetkopfpositionierer in einem magnetischen plattenspieler mit mehreren positionierern. - Google Patents

Kontrolsystem fuer magnetkopfpositionierer in einem magnetischen plattenspieler mit mehreren positionierern.

Info

Publication number
DE3878611D1
DE3878611D1 DE8888112899T DE3878611T DE3878611D1 DE 3878611 D1 DE3878611 D1 DE 3878611D1 DE 8888112899 T DE8888112899 T DE 8888112899T DE 3878611 T DE3878611 T DE 3878611T DE 3878611 D1 DE3878611 D1 DE 3878611D1
Authority
DE
Germany
Prior art keywords
positioners
magnetic
control system
turntable
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 - Fee Related
Application number
DE8888112899T
Other languages
English (en)
Other versions
DE3878611T2 (de
Inventor
Keiji Aruga
Yoshifumi Mizoshita
Masahito Iwatsubo
Toshifumi Hatagami
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 JP62201515A external-priority patent/JPH0668896B2/ja
Priority claimed from JP62230568A external-priority patent/JP2584242B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE3878611D1 publication Critical patent/DE3878611D1/de
Publication of DE3878611T2 publication Critical patent/DE3878611T2/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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • 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
    • G11B5/54—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
    • 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
    • G11B5/59655—Sector, sample or burst servo format
DE8888112899T 1987-08-11 1988-08-08 Kontrolsystem fuer magnetkopfpositionierer in einem magnetischen plattenspieler mit mehreren positionierern. Expired - Fee Related DE3878611T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62201515A JPH0668896B2 (ja) 1987-08-11 1987-08-11 磁気ディスク装置
JP62230568A JP2584242B2 (ja) 1987-09-14 1987-09-14 情報記憶装置のヘッド位置決め制御装置

Publications (2)

Publication Number Publication Date
DE3878611D1 true DE3878611D1 (de) 1993-04-01
DE3878611T2 DE3878611T2 (de) 1993-09-02

Family

ID=26512835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888112899T Expired - Fee Related DE3878611T2 (de) 1987-08-11 1988-08-08 Kontrolsystem fuer magnetkopfpositionierer in einem magnetischen plattenspieler mit mehreren positionierern.

Country Status (4)

Country Link
US (1) US4967293A (de)
EP (1) EP0306715B1 (de)
KR (1) KR910010185B1 (de)
DE (1) DE3878611T2 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257255A (en) * 1988-03-30 1993-10-26 Canon Denshi Kabushiki Kaisha Recording and/or reproducing apparatus with sensor for detecting head speed or acceleration
JPH0632202B2 (ja) * 1988-05-13 1994-04-27 富士通株式会社 ディスク装置の防振構造
US5081552A (en) * 1989-01-31 1992-01-14 International Business Machines Corporation Rigid magnetic disk drive head disk assembly and enclosure structure
JPH02216661A (ja) * 1989-02-16 1990-08-29 Pioneer Electron Corp マガジンチェンジャー付ディスクプレーヤ
FR2645981B1 (fr) * 1989-04-17 1991-07-26 Aerospatiale Dispositif de commande en deplacement sans vibrations d'un element optique dans un interferometre stellaire et interferometre stellaire le comportant
JPH02278582A (ja) * 1989-04-20 1990-11-14 Fujitsu Ltd 位置制御回路
US5184055A (en) * 1989-10-06 1993-02-02 Canon Kabushiki Kaisha Device for positioning control
JPH03181024A (ja) * 1989-12-07 1991-08-07 Sony Corp 光学式ディスク装置
US5268891A (en) * 1990-05-24 1993-12-07 Olympus Optical Co., Ltd. Optical recording/reproducing apparatus which reduces seek time by timing initiation of tracking control based upon characteristics of record medium vibrations relative to an optical pick-up head
US5218496A (en) * 1990-12-06 1993-06-08 Kalok Corporation Magnetic disk drive with reduced disk-to-disk spacing and improved actuator design
US5459383A (en) * 1991-02-07 1995-10-17 Quantum Corporation Robust active damping control system
JPH04272538A (ja) * 1991-02-26 1992-09-29 Pioneer Electron Corp 物体担持装置
US5426545A (en) * 1991-05-09 1995-06-20 Sidman; Michael D. Active disturbance compensation system for disk drives
US5293290A (en) * 1991-10-17 1994-03-08 Storage Technology Corporation Stackable linear actuator using embedded coil carriages
EP0569593B1 (de) * 1991-11-22 1999-09-08 Fujitsu Limited Plattenanordnung
US5333138A (en) * 1992-03-11 1994-07-26 Ministor Peripherals International Limited Apparatus and method for preventing data corruption in disk drives from mechanical shock during write operations
US5400196A (en) * 1992-04-30 1995-03-21 International Business Machines Corporation DASD with spindle imbalance isolation and method for producing same
US5296790A (en) * 1992-05-08 1994-03-22 Ampex Systems Corporation Motor driven damping arrangement and method
US5299075A (en) * 1992-06-04 1994-03-29 Hewlett-Packard Company Apparatus and method for shock attenuation in a disk recording and/or reproduction system using variable gain acceleration sensor
US5250880A (en) * 1992-10-22 1993-10-05 Ford Motor Company Linear motor control system and method
TW325557B (en) * 1992-10-23 1998-01-21 Ibm Disk driver servo system
WO1994011874A1 (en) * 1992-11-13 1994-05-26 Maxtor Corporation Write disable acceleration sensing system for a hard disk drive
DE4243234A1 (de) * 1992-12-18 1994-06-23 Thomson Brandt Gmbh Aufzeichnungs und/oder Wiedergabegerät
US5612945A (en) * 1993-02-22 1997-03-18 U.S. Philips Corporation Device for recording and/or reading information by means of a radiation beam, plate-shaped element suitable for use in the device, and disc player comprising the device
US5416397A (en) * 1993-10-04 1995-05-16 Ford Motor Company Linear motor control system and method of use
US5521772A (en) * 1993-11-30 1996-05-28 International Business Machines Corporation Disk drive with accerleration rate sensing
US5982573A (en) * 1993-12-15 1999-11-09 Hewlett-Packard Company Disk drive and method for minimizing shock-induced damage
CN1095164C (zh) * 1994-06-07 2002-11-27 株式会社日立制作所 对多种运作模式进行选择后进行记录/再生的信息存储装置及其控制方法
JPH0850755A (ja) * 1994-08-04 1996-02-20 Pioneer Electron Corp ディスクオートチェンジャー
US5663847A (en) * 1995-03-27 1997-09-02 Abramovitch; Daniel Y. Rejection of disturbances on a disk drive by use of an accelerometer
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
TW358949B (en) * 1996-03-19 1999-05-21 Hitachi Global Storage Tech Magnetic disc device with dummy write function
DE19642343C2 (de) * 1996-10-14 1999-06-10 Bosch Gmbh Robert Verfahren zum Regeln der Fokussierung und der Führung eines Lichtstrahls
KR100223218B1 (ko) * 1997-01-30 1999-10-15 윤종용 하드디스크 드라이브에서 프레임을 이용한 프라스틱 커버
JP3398582B2 (ja) * 1997-10-08 2003-04-21 富士通株式会社 ディスク装置の筐体の振動解析方法及び解析装置
US6314473B1 (en) 1998-03-05 2001-11-06 Convolve, Inc. System for removing selected unwanted frequenices in accordance with altered settings in a user interface of a data storage device
US6088185A (en) * 1998-06-05 2000-07-11 Seagate Technology, Inc. Rotational vibration detection using a velocity sense coil
US6285522B1 (en) 1998-06-05 2001-09-04 Seagate Technology Llc Rotational vibration compensation using a dedicated surface with a constant frequency pattern
US6222336B1 (en) * 1998-06-05 2001-04-24 Seagate Technology Llc Rotational vibration detection using spindle motor velocity sense coils
US6304406B1 (en) 1998-06-05 2001-10-16 Seagate Technology Llc Rotational vibration compensation using a fixed head and a constant frequency pattern
US6122139A (en) * 1998-07-20 2000-09-19 International Business Machines Corporation Disk drive rotary actuator system including synchronous counter torque generator
KR100373575B1 (ko) * 1998-07-20 2003-02-26 인터내셔널 비지네스 머신즈 코포레이션 데이터 기억 장치 내의 서보 시스템용 적응 진동 제어
US7433144B2 (en) 1999-03-04 2008-10-07 Convolve, Inc. Dynamic system control method
US6583964B1 (en) * 1999-03-18 2003-06-24 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with mode canceling actuator
US6339512B1 (en) * 1999-03-25 2002-01-15 International Business Machines Corporation Disk-flutter servo control in rotating storage system with optimum disk thickness
KR20020040757A (ko) 1999-07-23 2002-05-30 추후 적응형 피드포워드 서보를 사용하는 이중 엑추에이터디스크 드라이브를 위한 기계적 상호작용의 방해 배제
JP2001043640A (ja) * 1999-07-29 2001-02-16 Fujitsu Ltd 記憶装置
US6683745B1 (en) 1999-12-27 2004-01-27 Hitachi Global Storage Technologies Netherlands B.V. Rotationally free mount system for disk drive having a rotary actuator
JP4199908B2 (ja) 2000-01-13 2008-12-24 株式会社日立グローバルストレージテクノロジーズ ケーブルの配線に特徴を有する磁気ディスク装置及びこれを用いた電子機器
US6614613B1 (en) * 2000-03-16 2003-09-02 International Business Machines Corporation Phase technique for active damping in a servo-controlled actuator
US6788489B1 (en) * 2000-05-09 2004-09-07 Hitachi Global Storage Technologies Netherlands B.V. Employing off-track capability in data access operations in a direct access storage device
US6704159B2 (en) 2000-06-20 2004-03-09 Seagate Technology Llc Automatic acoustic management system for a disc drive
US6519109B1 (en) * 2000-07-21 2003-02-11 International Business Machines Corporation Method and apparatus for providing feedforward control of two interacting actuators
US7253982B1 (en) 2000-08-15 2007-08-07 Maxtor Corporation Dynamic shock detection in disk drive using hair trigger timer
US6563657B1 (en) * 2000-09-29 2003-05-13 International Business Machines Corporation Multiple and reconfigurable data access and storage device using multiple actuators
JP3787491B2 (ja) * 2000-11-20 2006-06-21 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置
US6765743B2 (en) 2001-04-18 2004-07-20 Hitachi Global Storage Technologies Netherlands. B.V. Micro-actuator transducer stack inertia cancellation control
JP2005235324A (ja) * 2004-02-20 2005-09-02 Hitachi Global Storage Technologies Netherlands Bv データ記憶装置及びその制御方法
JP2013157063A (ja) * 2012-01-31 2013-08-15 Toshiba Corp 磁気ディスク装置および２段アクチュエータの外乱補償方法
CN103595330B (zh) * 2013-09-30 2015-08-12 哈尔滨工业大学 双绕组音圈电机推力补偿系统
CN103607150B (zh) * 2013-09-30 2016-04-13 哈尔滨工业大学 双绕组音圈电机推力补偿系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040103A (en) * 1976-02-05 1977-08-02 Sperry Rand Corporation Shock force compensating system
US4331990A (en) * 1979-10-18 1982-05-25 Burroughs Corporation Flat coil linear actuator for multiple transducer arms
US4423448A (en) * 1979-12-26 1983-12-27 Burroughs Corporation Multi-path to data facility for disk drive transducer arms
JPH0743900B2 (ja) * 1983-12-02 1995-05-15 松下電器産業株式会社 トラツキング制御装置
JPS613359A (ja) * 1984-06-15 1986-01-09 Matsushita Electric Ind Co Ltd 光学式記録再生装置
US4616277A (en) * 1984-06-15 1986-10-07 Memorex Corporation Disk drive storage system having means for compensating for seek driving forces coupled between head actuators
JPH0612595B2 (ja) * 1985-01-23 1994-02-16 松下電器産業株式会社 制御装置
NL8502635A (nl) * 1985-09-27 1987-04-16 Philips Nv Inrichting voor het uitlezen van informatie op een registratiedrager.
EP0264535A3 (de) * 1986-10-24 1990-09-05 Hewlett-Packard Company Ausgleichverfahren für Stoss- und Vibrationsstörung für einen Plattenantrieb

Also Published As

Publication number Publication date
DE3878611T2 (de) 1993-09-02
KR890004306A (ko) 1989-04-21
US4967293A (en) 1990-10-30
EP0306715A1 (de) 1989-03-15
KR910010185B1 (ko) 1991-12-20
EP0306715B1 (de) 1993-02-24

Similar Documents

Publication Publication Date Title
DE3878611D1 (de) Kontrolsystem fuer magnetkopfpositionierer in einem magnetischen plattenspieler mit mehreren positionierern.
DE59009567D1 (de) Magnetbandgerät mit einem Magnetkopf.
DE69028407D1 (de) Plattenantriebssystem mit mehreren eingebetteten quadratur-servo-feldern
DE3855251D1 (de) Speichersystem mit Parallelplattenlaufwerkanordnung
DE68921236D1 (de) Magnetische Aufzeichnungsplatte mit eingebetteter Servo-Information.
DE69020662D1 (de) Magnetkopfpositionierungsregelungssystem.
DE68924885D1 (de) Rotierender Antrieb für Magnetkopf-Positionierung in einem Plattenantrieb.
EP0280438A3 (en) Method for manufacturing a magnetic disk and the resulting disk
DE3685448D1 (de) Geraet mit kombiniertem magnetkopf.
DE69021688D1 (de) Positionierstruktur für eine Magnetkopfaushängungseinheit in einem Plattenantrieb.
DE68915887D1 (de) Kontrollsystem für einen Plattenantriebskopf.
DE68924905D1 (de) Servosystem mit mehreren Kanälen.
DE3776928D1 (de) Regelsystem zum spurzugriff fuer ein magnetplattensystem.
DE3883823D1 (de) Gerät zur Informationsaufzeichnung mit einem Lichtstrahl.
DE68922209D1 (de) Servosystem für einen Plattenspieler.
DE3650400D1 (de) Schlittenanordnungsservoeinheit in einem Plattenspieler.
DE3673052D1 (de) Schaltmechanismus in einem geraet fuer magnetische aufzeichnung/wiedergabe.
DE3677942D1 (de) Magnetischer aufzeichnungstraeger mit vertikaler aufzeichnung.
DE3583973D1 (de) Informationsverarbeitungsanlage mit instruktionsvorabrufschaltung.
DE3883259D1 (de) Synchrones umdrehungsregelungssystem fuer eine magnetische speicherplatte.
DE3585243D1 (de) Magnetisches aufnahme- oder wiedergabesystem mit zusammengesetztem magnetkopf.
DE3687422D1 (de) Magnetkopf mit aufwaertstransformator.
DE3880048D1 (de) Aufzeichnungstraeger mit senkrechter magnetisierung.
DE3874009D1 (de) Spurerfassungskontrollsystem fuer magnetischen plattenspieler.
DE68910615D1 (de) Magnetkopf.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee