DE69602484D1 - Datenaufzeichnungs- und Wiedergabevorrichtung für Platten - Google Patents

Datenaufzeichnungs- und Wiedergabevorrichtung für Platten

Info

Publication number
DE69602484D1
DE69602484D1 DE69602484T DE69602484T DE69602484D1 DE 69602484 D1 DE69602484 D1 DE 69602484D1 DE 69602484 T DE69602484 T DE 69602484T DE 69602484 T DE69602484 T DE 69602484T DE 69602484 D1 DE69602484 D1 DE 69602484D1
Authority
DE
Germany
Prior art keywords
disks
reproducing apparatus
data recording
recording
reproducing
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
DE69602484T
Other languages
English (en)
Other versions
DE69602484T2 (de
Inventor
Daniel Y Abramovitch
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69602484D1 publication Critical patent/DE69602484D1/de
Publication of DE69602484T2 publication Critical patent/DE69602484T2/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
    • G11B5/48—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
    • G11B5/5582—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/0888—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values for indicating angular acceleration
DE69602484T 1995-03-27 1996-03-22 Datenaufzeichnungs- und Wiedergabevorrichtung für Platten Expired - Lifetime DE69602484T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/410,991 US5663847A (en) 1995-03-27 1995-03-27 Rejection of disturbances on a disk drive by use of an accelerometer

Publications (2)

Publication Number Publication Date
DE69602484D1 true DE69602484D1 (de) 1999-06-24
DE69602484T2 DE69602484T2 (de) 1999-09-16

Family

ID=23627106

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69602484T Expired - Lifetime DE69602484T2 (de) 1995-03-27 1996-03-22 Datenaufzeichnungs- und Wiedergabevorrichtung für Platten

Country Status (4)

Country Link
US (1) US5663847A (de)
EP (1) EP0735522B1 (de)
JP (1) JPH08329633A (de)
DE (1) DE69602484T2 (de)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3321354B2 (ja) * 1996-03-28 2002-09-03 株式会社日立製作所 位置決め方法および位置決め装置ならびに回転型記憶装置
US6429990B2 (en) 1997-02-03 2002-08-06 International Business Machines Corporation Method and apparatus for controlling write operations of a data storage system subjected to a shock event
US6115200A (en) * 1997-02-03 2000-09-05 International Business Machines Corporation Method and apparatus for preventing write operations in the presence of post-shock motion
US5801311A (en) * 1997-04-30 1998-09-01 Seagate Technology, Inc. Rotary drive accelerator
US5909661A (en) * 1997-05-30 1999-06-01 Hewlett-Packard Company Method and apparatus for decomposing drive error signal noise sources
US6005736A (en) * 1997-10-21 1999-12-21 International Business Machines Corporation Method and means for active shock protection in a magnetic disk storage device using electrostatic forces
JPH11203808A (ja) * 1998-01-19 1999-07-30 Matsushita Electric Ind Co Ltd 情報記録再生装置
US6304406B1 (en) 1998-06-05 2001-10-16 Seagate Technology Llc Rotational vibration compensation using a fixed head and a constant frequency pattern
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
US5979249A (en) * 1998-06-09 1999-11-09 Samsung Electronics Co., Ltd. Actuator resonance tester for a disk drive
US6226140B1 (en) * 1998-07-14 2001-05-01 International Business Machines Corporation Shock detector in a disk drive servo control system
TW445446B (en) * 1998-07-20 2001-07-11 Ibm Adaptive vibration control for servo systems in data storage devices
US6341048B1 (en) 1999-01-25 2002-01-22 Seagate Technology Llc Method and apparatus for servo data synchronization in a disc drive
JP2000242321A (ja) * 1999-02-19 2000-09-08 Fujitsu Ltd フィードバック制御装置、ディジタルフィルタ装置、および記憶装置
JP2000260105A (ja) 1999-03-10 2000-09-22 Fujitsu Ltd 記憶ディスク装置の加速度センサの校正方法
US6304409B1 (en) 1999-06-30 2001-10-16 Seagate Technology Llc Active damping of actuator bearing translational mode
CN1363086A (zh) * 1999-07-23 2002-08-07 西加特技术有限责任公司 使用自调谐加速度计前馈伺服系统的磁盘驱动器的干扰抑制
DE19955251A1 (de) 1999-11-17 2001-05-23 Bosch Gmbh Robert Verfahren zur Regelung der Nachführung einer Abtastvorrichtung und Laufwerk dafür
JP3270439B2 (ja) * 1999-12-28 2002-04-02 株式会社東芝 ディスク記憶装置
US6414813B2 (en) 2000-02-07 2002-07-02 Seagate Technology Llc Rotational acceleration correction in a disc drive
US6496320B1 (en) 2000-02-09 2002-12-17 Seagate Technology Llc Adaptive attenuation of multi-axis vibrational disturbance
US6629448B1 (en) 2000-02-25 2003-10-07 Seagate Technology Llc In-situ testing of a MEMS accelerometer in a disc storage system
US6674600B1 (en) 2000-05-31 2004-01-06 Western Digital Technologies, Inc. Disk drive having separate motion sensors for base and actuator
US6771454B2 (en) * 2000-10-13 2004-08-03 Seagate Technology Llc Suspension sense capability for windage control
US6914743B1 (en) * 2000-11-30 2005-07-05 Western Digital Technologies, Inc. Vibration cancellation in a disk drive by using an acceleration sensor and adaptively adjusting its gain to minimize external acceleration effects
US6693764B1 (en) * 2001-01-31 2004-02-17 Western Digital Technologies, Inc. Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration
US6538839B1 (en) 2001-01-31 2003-03-25 Western Digital Technologies, Inc. Disk drive employing adaptive feed-forward vibration compensation to enhance a retry operation
JP2002245738A (ja) * 2001-02-15 2002-08-30 Fujitsu Ltd ディスク装置及び外乱補償方法
EP1316956A3 (de) * 2001-11-28 2004-07-21 Matsushita Electric Industrial Co., Ltd. Plattenspeichergerät und Plattenspeichergerätssteuerverfahren
SG103906A1 (en) * 2002-03-13 2004-05-26 Toshiba Kk Method and apparatus for head positioning control in a disk drive
US20030220751A1 (en) * 2002-05-22 2003-11-27 Toh Michael Joo Chiang Method and apparatus to verify disc drive vibrational performance
US6963463B2 (en) * 2002-05-24 2005-11-08 Hitachi Global Storage Technologies Netherlands B.V. Rotational vibration velocity-based sensor for disk drives
JP4486786B2 (ja) * 2003-03-24 2010-06-23 クラリオン株式会社 保護装置
JP3751954B2 (ja) * 2003-04-25 2006-03-08 株式会社東芝 ディスク記憶装置及びヘッド位置決め制御方法
US20040246617A1 (en) * 2003-06-05 2004-12-09 Ehrlich Richard M. Disk drive disturbance rejection using spindle motor speed
US7265931B2 (en) * 2003-06-05 2007-09-04 Matsushita Electric Industrial Co., Ltd. Apparatus to reject disk drive disturbance
US7088546B2 (en) * 2003-06-05 2006-08-08 Matsushita Electric Industrial Co., Ltd. Method to reject disk drive disturbance
US20040257693A1 (en) * 2003-06-05 2004-12-23 Ehrlich Richard M. Disk drive disturbance rejection using accelerometer and/or back-EMF measurements
US20040246833A1 (en) * 2003-06-05 2004-12-09 Ehrlich Richard M. Disk drive system model for determining a threshold to perform disturbance rejection
US6900958B1 (en) 2003-07-31 2005-05-31 Western Digital Technologies, Inc. Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrences
JP2005317130A (ja) * 2004-04-28 2005-11-10 Toshiba Corp ディスク記憶装置、ヘッド位置決め制御システム及びその方法
US7369345B1 (en) 2004-12-03 2008-05-06 Maxtor Corporation Mobile hard disk drive free fall detection and protection
US7350394B1 (en) * 2004-12-03 2008-04-01 Maxtor Corporation Zero-g offset identification of an accelerometer employed in a hard disk drive
JP4150032B2 (ja) * 2005-06-27 2008-09-17 富士通株式会社 ヘッド位置制御方法、ヘッド位置制御装置およびディスク装置
US7797106B2 (en) * 2005-06-30 2010-09-14 Nokia Corporation System and method for adjusting step detection based on motion information
US7177113B1 (en) * 2005-08-03 2007-02-13 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with switchable rotational vibration cancellation
US7319570B2 (en) 2005-09-19 2008-01-15 Seagate Technology Llc Random vibration and shock compensator using a disturbance observer
US7345841B2 (en) * 2006-02-07 2008-03-18 Hitachi Global Storage Technologies Netherlands B.V. Disk drive using a disturbance sensor for disturbance frequency-identification and suppression
US7468857B2 (en) * 2006-02-10 2008-12-23 Maxtor Corporation Acceleration feed-forward correction enabled or disabled based on track follow loop signals
US7375916B2 (en) 2006-03-17 2008-05-20 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with multiple feedforward controllers for rotational vibration cancellation
US7580217B2 (en) * 2007-01-02 2009-08-25 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with hybrid analog-digital acceleration feedforward control system and method for rejecting rotational vibration
JP4970184B2 (ja) * 2007-07-30 2012-07-04 株式会社東芝 記憶装置、制御方法及び制御装置
US8488268B2 (en) * 2007-10-30 2013-07-16 Hitachi, Ltd. Disk device
US8027119B2 (en) * 2007-11-07 2011-09-27 Seagate Technology Llc Vibration detection and compensation filter
US7768738B2 (en) * 2007-11-13 2010-08-03 Sensor Platforms, Inc. Mitigating the effects of disturbances of a disk drive
US7852588B1 (en) 2008-06-23 2010-12-14 Western Digital Technologies, Inc. Disk drive adjusting gain of shock detector relative to resonant frequency amplitude
US7595953B1 (en) 2008-07-22 2009-09-29 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with switchable compensation for mechanical and electrical disturbances
US8132459B2 (en) * 2008-09-13 2012-03-13 Texas Instruments Incorporated System and method to determine mechanical resonance of an accelerometer
US20100079906A1 (en) * 2008-09-29 2010-04-01 Wile Donald T Adaptive Feed Forward Rotational Vibration Compensation During a SEEK Operation
JP2010146614A (ja) * 2008-12-16 2010-07-01 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ及びその制御方法
US8027112B2 (en) * 2009-10-30 2011-09-27 Hitachi Asia Ltd. Low frequency booster for RV/shock/friction disturbance rejection
US8179626B1 (en) 2009-12-04 2012-05-15 Western Digital Technologies, Inc. Adaptive shock detection
US8896955B1 (en) 2010-08-31 2014-11-25 Western Digital Technologies, Inc. Adaptive track follow control
US8773800B2 (en) * 2010-10-08 2014-07-08 Quantum Corporation Adaptive disturbance compensation with multi-rate synchronized sampling
US8634158B1 (en) 2011-11-16 2014-01-21 Western Digital Technologies, Inc. Disk drive generating feed-forward actuator compensation based on a speaker driver signal
US8737013B2 (en) 2011-11-16 2014-05-27 Western Digital Technologies, Inc. Disk drive selecting disturbance signal for feed-forward compensation
US8634159B2 (en) * 2012-03-22 2014-01-21 HGST Netherlands B.V. Magnetic recording disk drive with three sensors for rotational and linear vibration compensation
US8964328B1 (en) 2012-06-20 2015-02-24 Western Digital Technologies, Inc. Shock sensor on an external surface of a disk drive base adjacent a disk drive printed circuit board
US8947819B1 (en) 2012-08-28 2015-02-03 Western Digital Technologies, Inc. Disk drive implementing hysteresis for primary shock detector based on a more sensitive secondary shock detector
US9435824B2 (en) * 2013-07-25 2016-09-06 Garimella R Sarma Circuit to extend frequency response of accelerometer
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
US9111575B1 (en) 2014-10-23 2015-08-18 Western Digital Technologies, Inc. Data storage device employing adaptive feed-forward control in timing loop to compensate for vibration
US9747936B1 (en) 2016-08-24 2017-08-29 Western Digital Technologies, Inc. Data storage device filtering sensor signal to optimize shock and thermal pop detection
US9940967B1 (en) * 2017-08-29 2018-04-10 Western Digital Technologies, Inc. Data storage device conditioning write abort based on secondary read signal
CN109581525B (zh) * 2018-11-23 2020-06-19 中国船舶重工集团公司第七0七研究所 旋转加速度计式重力梯度敏感器原始采样频率的选择方法
CN111564999B (zh) * 2019-12-30 2021-12-14 哈尔滨工业大学（深圳） 一种基于mras算法的电机低速测速方法

Family Cites Families (11)

* 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
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
KR910010185B1 (ko) * 1987-08-11 1991-12-20 후지쓰 가부시끼가이샤 멀티-포지셔너 자기 디스크 저장 장치에 있는 자기 헤드 포지셔너들의 제어 시스템
US4862298A (en) * 1988-03-11 1989-08-29 Magnetic Peripherals Inc. Shock load detection device
JPH03192585A (ja) * 1989-12-20 1991-08-22 Tokico Ltd 磁気ディスク装置
US5426545A (en) * 1991-05-09 1995-06-20 Sidman; Michael D. Active disturbance compensation system for disk drives
US5235472A (en) * 1991-10-18 1993-08-10 Seagate Technology, Inc. Apparatus for sensing operating shock on a disk drive
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
US5325247A (en) * 1992-11-12 1994-06-28 Quantum Corporation Digital multi-rate notch filter for sampled servo digital control system
US5521772A (en) * 1993-11-30 1996-05-28 International Business Machines Corporation Disk drive with accerleration rate sensing

Also Published As

Publication number Publication date
JPH08329633A (ja) 1996-12-13
DE69602484T2 (de) 1999-09-16
EP0735522B1 (de) 1999-05-19
EP0735522A1 (de) 1996-10-02
US5663847A (en) 1997-09-02

Similar Documents

Publication Publication Date Title
DE69602484D1 (de) Datenaufzeichnungs- und Wiedergabevorrichtung für Platten
DE69621982D1 (de) Aufnahmeträger und Wiedergabevorrichtung für Playbackdaten
DE69638266D1 (de) Datenaufzeichnungs-/-wiedergabeverfahren und Datenaufzeichnungs-/-wiedergabegerät
DE69636842D1 (de) Datenaufzeichnungsverfahren und -Einrichtung, Aufzeichnungsmedium, Datenwiedergabeverfahren und Einrichtung
DE69738785D1 (de) Informationsaufzeichnungsträger und Wiedergabegerät dafür
DE69623736D1 (de) Drehendes Gerät zur Datenaufnahme und -wiedergabe
HK1005115A1 (en) Recording medium and apparatus for reproducing data
HK1074907A1 (en) Recording apparatus and reproducing apparatus for an information record medium
DE69435283D1 (de) Informationsdatenaufzeichnungs- und Wiedergabevorrichtung und Informationsdatenverarbeitungssystem
DE69708179D1 (de) Aufzeichnungsträger für Information sowie Gerät zum Aufzeichnen und Wiedergeben derselben
DE69717532D1 (de) Aufzeichnungsdatenerzeugungsverfahren und Datenwiedergabegerät
DE69626362T2 (de) Datenaufzeichnungs- und -wiedergabegerät sowie -verfahren
DE69429935T2 (de) Aufzeichnungs-Wiedergabegerät für Aufzeichnungsmedium
DE69516484T2 (de) Informationsaufzeichnungs- und/oder -wiedergabegerät
DE69507080T2 (de) Optisches Informationsaufzeichnungsmedium, optisches Informationsaufzeichnungsverfahren, und optisches Informationswiedergabegerät hierfür
DE69532231D1 (de) Datenaufzeichnungs-/wiedergabeverfahren, datenwiedergabevorrichtung, und aufzeichnungsmedium
DE69718225D1 (de) Aufzeichnungsträger für Information sowie Gerät zum Aufzeichnen und Wiedergeben derselben
KR960015498A (ko) 기록매체의 재생 장치 및 재생 방법
DE69919237D1 (de) Informationsaufzeichnungs- und -wiedergabegerät
DE69522128D1 (de) Verfahren und Gerät zur Aufzeichnung und/oder Wiedergabe von Daten, und bandförmiges Aufzeichnungsmedium
DE69520320D1 (de) Informationsaufzeichnungs- und -wiedergabegerät
DE69430392T2 (de) Informationsaufzeichnungs- und -wiedergabegerät
KR960011963A (ko) 기록 매체에 대한 기록 및/또는 재생 방법 및 장치
DE69527870D1 (de) Aufzeichnungs- und Aufzeichnungs- und Wiedergabegerät für digitale Information
DE69522348D1 (de) Daten-Aufnahme/Wiedergabe-Anlage und Daten-Aufnahme/Wiedergabe-Verfahren

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE),

8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE