KR100761811B1 - 로드/언로드 동작제어 방법 및 기억장치 - Google Patents

로드/언로드 동작제어 방법 및 기억장치 Download PDF

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Publication number
KR100761811B1
KR100761811B1 KR1020010064798A KR20010064798A KR100761811B1 KR 100761811 B1 KR100761811 B1 KR 100761811B1 KR 1020010064798 A KR1020010064798 A KR 1020010064798A KR 20010064798 A KR20010064798 A KR 20010064798A KR 100761811 B1 KR100761811 B1 KR 100761811B1
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KR
South Korea
Prior art keywords
load
unload
drive current
change
control
Prior art date
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Expired - Fee Related
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KR1020010064798A
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English (en)
Korean (ko)
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KR20020082097A (ko
Inventor
히라노마사카즈
스즈키노부유키
Original Assignee
후지쯔 가부시끼가이샤
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Publication of KR100761811B1 publication Critical patent/KR100761811B1/ko
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    • 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
    • G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
    • 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

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of Heads (AREA)
  • Automatic Disk Changers (AREA)
KR1020010064798A 2001-04-23 2001-10-19 로드/언로드 동작제어 방법 및 기억장치 Expired - Fee Related KR100761811B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2001-00124821 2001-04-23
JP2001124821A JP2002319257A (ja) 2001-04-23 2001-04-23 ロード／アンロード動作制御方法及び記憶装置

Publications (2)

Publication Number Publication Date
KR20020082097A KR20020082097A (ko) 2002-10-30
KR100761811B1 true KR100761811B1 (ko) 2007-09-28

Family

ID=18974143

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010064798A Expired - Fee Related KR100761811B1 (ko) 2001-04-23 2001-10-19 로드/언로드 동작제어 방법 및 기억장치

Country Status (4)

Country Link
US (1) US7110207B2 (https=)
EP (1) EP1253582A3 (https=)
JP (1) JP2002319257A (https=)
KR (1) KR100761811B1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4226998B2 (ja) * 2003-11-20 2009-02-18 株式会社東芝 ディスク記憶装置
KR100688528B1 (ko) * 2005-02-03 2007-03-02 삼성전자주식회사 하드디스크 드라이브에 있어서, 자기헤드의 스위칭방법
JP2007293980A (ja) * 2006-04-24 2007-11-08 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置およびロード／アンロード方法
JP2008186533A (ja) * 2007-01-30 2008-08-14 Fujitsu Ltd 緊急退避検証装置および媒体記憶装置
US20090034125A1 (en) * 2007-07-31 2009-02-05 Chan Andre S Load/unload ramp spoiler for a hard disk drive
US8988811B1 (en) 2008-05-23 2015-03-24 Western Digital Technologies, Inc. Disk drive toggling VCM inductor compensation to reduce acoustic noise
US7876522B1 (en) 2008-09-30 2011-01-25 Western Digital Technologies, Inc. Disk drive updating estimate of voice coil resistance to account for resistance change prior to unload operation
KR101007957B1 (ko) * 2010-03-11 2011-01-18 박준철 낚시용 다기능 좌대기구
US8665551B1 (en) 2011-12-22 2014-03-04 Western Digital Technologies, Inc. Disk drive adjusting gain and offset of BEMF velocity sensor during self writing of spiral tracks
US9076473B1 (en) 2014-08-12 2015-07-07 Western Digital Technologies, Inc. Data storage device detecting fly height instability of head during load operation based on microactuator response
US12080324B2 (en) 2021-06-30 2024-09-03 Oracle International Corporation Data tape media quality validation and action recommendation
US11935570B2 (en) 2021-06-30 2024-03-19 Oracle International Corporation Data tape quality analysis
US11727955B2 (en) * 2021-06-30 2023-08-15 Oracle International Corporation Data tape media action recommendation based on media drive calibration

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950703781A (ko) * 1993-08-24 1995-09-20 오오가 노리오 로드·언로드장치 및 구동제어회로

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573904B1 (fr) * 1984-11-29 1987-01-02 Bull Sa Procede pour deplacer un systeme mobile mu par un moteur electrique suivant une trajectoire donnee
JP2633739B2 (ja) * 1991-03-29 1997-07-23 株式会社東芝 データ記録再生装置
JP2714905B2 (ja) 1992-01-31 1998-02-16 富士通株式会社 位置決め制御装置
US5696647A (en) * 1994-03-28 1997-12-09 Seagate Technology, Inc. Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limit
DE69535162T2 (de) * 1994-06-07 2007-03-08 Hitachi Global Storage Technologies Japan, Ltd., Odawara Informationsaufzeichnungsgerät und Verfahren zu dessen Steuerung zur Aufzeichnung/Wiedergabe von Information durch Auswahl eines Betriebsmodus
JP3413731B2 (ja) 1994-06-07 2003-06-09 株式会社日立製作所 ディスク装置
KR100223645B1 (ko) * 1995-08-31 1999-10-15 윤종용 디스크 파킹존의 마모를 분산시키기 위한 하드 디스크 드라이브의 브이.씨.엠 제어방법
KR100255207B1 (ko) * 1997-01-28 2000-05-01 윤종용 하드 디스크 드라이브의 안정된 언래치 제어 방법
JPH10255419A (ja) 1997-03-14 1998-09-25 Nec Corp 磁気ディスク装置のヘッド位置決め制御装置
JPH10326470A (ja) 1997-05-26 1998-12-08 Hitachi Ltd 磁気ディスク装置
JPH1116259A (ja) * 1997-06-24 1999-01-22 Internatl Business Mach Corp <Ibm> ヘッド機構制御装置および信号供給制御装置ならびにディスクドライブ装置
JP3016476B2 (ja) * 1997-06-27 2000-03-06 インターナショナル・ビジネス・マシーンズ・コーポレイション ヘッド機構制御装置およびディスクドライブ装置ならびにヘッドアンロード制御方法
JP2000021103A (ja) 1998-06-30 2000-01-21 Toshiba Corp 磁気ディスク装置のシーク制御方法
US6583964B1 (en) * 1999-03-18 2003-06-24 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with mode canceling actuator
JP3688522B2 (ja) * 1999-07-30 2005-08-31 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置の制御方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950703781A (ko) * 1993-08-24 1995-09-20 오오가 노리오 로드·언로드장치 및 구동제어회로

Also Published As

Publication number Publication date
EP1253582A2 (en) 2002-10-30
EP1253582A3 (en) 2003-07-30
US20020154438A1 (en) 2002-10-24
US7110207B2 (en) 2006-09-19
KR20020082097A (ko) 2002-10-30
JP2002319257A (ja) 2002-10-31

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