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
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
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)
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)
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 |
-
1988
- 1988-07-20 KR KR1019880009037A patent/KR910010185B1/ko not_active IP Right Cessation
- 1988-08-05 US US07/228,942 patent/US4967293A/en not_active Expired - Lifetime
- 1988-08-08 DE DE8888112899T patent/DE3878611T2/de not_active Expired - Fee Related
- 1988-08-08 EP EP88112899A patent/EP0306715B1/de not_active Expired - Lifetime
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |