JP2005346741A - ディスク記憶装置及び同装置に適用される緊急ヘッド退避制御回路 - Google Patents

ディスク記憶装置及び同装置に適用される緊急ヘッド退避制御回路 Download PDF

Info

Publication number
JP2005346741A
JP2005346741A JP2004161417A JP2004161417A JP2005346741A JP 2005346741 A JP2005346741 A JP 2005346741A JP 2004161417 A JP2004161417 A JP 2004161417A JP 2004161417 A JP2004161417 A JP 2004161417A JP 2005346741 A JP2005346741 A JP 2005346741A
Authority
JP
Japan
Prior art keywords
storage device
head
disk storage
disk
circuit
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.)
Pending
Application number
JP2004161417A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005346741A5 (enExample
Inventor
Tatsuharu Kusumoto
辰春 楠本
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP2004161417A priority Critical patent/JP2005346741A/ja
Priority to SG200500251A priority patent/SG117515A1/en
Priority to US11/038,049 priority patent/US7206158B2/en
Priority to CNB2005100064165A priority patent/CN100399424C/zh
Publication of JP2005346741A publication Critical patent/JP2005346741A/ja
Publication of JP2005346741A5 publication Critical patent/JP2005346741A5/ja
Pending legal-status Critical Current

Links

Images

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
    • 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
JP2004161417A 2004-05-31 2004-05-31 ディスク記憶装置及び同装置に適用される緊急ヘッド退避制御回路 Pending JP2005346741A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004161417A JP2005346741A (ja) 2004-05-31 2004-05-31 ディスク記憶装置及び同装置に適用される緊急ヘッド退避制御回路
SG200500251A SG117515A1 (en) 2004-05-31 2005-01-18 Disk drive for quickly retracting head to retract area, and emergency head-unload control circuit for use in the disk drive
US11/038,049 US7206158B2 (en) 2004-05-31 2005-01-21 Disk drive for quickly retracting head to retract area, and emergency head-unload control circuit for use in the disk drive
CNB2005100064165A CN100399424C (zh) 2004-05-31 2005-01-31 使磁头快速退回的磁盘驱动器及紧急磁头卸载控制电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004161417A JP2005346741A (ja) 2004-05-31 2004-05-31 ディスク記憶装置及び同装置に適用される緊急ヘッド退避制御回路

Publications (2)

Publication Number Publication Date
JP2005346741A true JP2005346741A (ja) 2005-12-15
JP2005346741A5 JP2005346741A5 (enExample) 2007-08-30

Family

ID=35424887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004161417A Pending JP2005346741A (ja) 2004-05-31 2004-05-31 ディスク記憶装置及び同装置に適用される緊急ヘッド退避制御回路

Country Status (4)

Country Link
US (1) US7206158B2 (enExample)
JP (1) JP2005346741A (enExample)
CN (1) CN100399424C (enExample)
SG (1) SG117515A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7190540B2 (en) * 2004-06-03 2007-03-13 Sony Corporation Portable apparatus having head retracting function and head retracting method
US7471881B2 (en) * 2005-02-22 2008-12-30 Lsi Corporation System for parking a drive in a video recorder
CN101060244A (zh) * 2006-04-19 2007-10-24 鸿富锦精密工业（深圳）有限公司 具有自动关机保护功能的便携式电子装置
US7548392B1 (en) 2007-05-21 2009-06-16 Western Digital Technologies, Inc. Disk drive controlling a voice coil motor during an emergency unload
US8474721B2 (en) 2007-06-11 2013-07-02 Drs Rsta, Inc. Variable aperture and actuator assemblies for an imaging system
US7724412B2 (en) 2007-06-11 2010-05-25 Drs Rsta, Inc. Variable aperture and actuator assemblies for an imaging system
JP2009020968A (ja) * 2007-07-12 2009-01-29 Toshiba Corp 磁気ディスク装置、同装置を搭載した携帯型電子機器及び同電子機器の落下時における緊急ヘッドアンロード方法
US7974038B2 (en) * 2007-12-10 2011-07-05 Western Digital Technologies, Inc. Servo writer with retract capacitor for generating a VCM driving current during a power failure
CN101593531B (zh) * 2008-05-30 2011-11-16 爱国者电子科技有限公司 实现姿态控制的移动存储装置
US7907364B2 (en) * 2008-08-29 2011-03-15 Western Digital Technologies, Inc. Disk drive including a delay circuit to provide a delayed reset signal
US7800856B1 (en) 2009-03-24 2010-09-21 Western Digital Technologies, Inc. Disk drive flushing write cache to a nearest set of reserved tracks during a power failure
EP2259265A3 (en) * 2009-06-02 2012-01-18 Samsung Electronics Co., Ltd. Disk drive data storage systems and methods using backup power source charged by spindle motor
JP2020155173A (ja) * 2019-03-19 2020-09-24 株式会社東芝 磁気ディスク装置
CN111883184A (zh) * 2020-07-02 2020-11-03 唐敏敏 一种计算机用硬盘辅助保护磁头设备

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04147463A (ja) * 1990-10-09 1992-05-20 Nec Software Ltd ハードディスクのヘッドリトラクト処理装置
US5227929A (en) 1990-11-26 1993-07-13 International Business Machines Corporation Portable computer hard disk protective reflex system
US6594102B1 (en) * 1998-07-01 2003-07-15 Kabushiki Kaisha Toshiba Apparatus and method for retracting the head on power down in a disk drive
JP2000021073A (ja) 1998-07-01 2000-01-21 Toshiba Corp 磁気ディスク装置及び同装置に適用される電源遮断時におけるヘッドリトラクト方法
US6396652B1 (en) * 1998-08-12 2002-05-28 Kabushiki Kaisha Toshiba Apparatus and method for control head unloading on power down in a disk drive
JP2000076772A (ja) 1998-09-03 2000-03-14 Hitachi Ltd ダイナミックローディング／アンローディング機構付き磁気ディスク装置
JP3937064B2 (ja) * 2000-04-24 2007-06-27 パイオニア株式会社 記録再生装置
EP1152424A3 (en) * 2000-04-24 2003-07-30 Pioneer Corporation Disk drive device
JP3966534B2 (ja) * 2000-04-24 2007-08-29 パイオニア株式会社 記録再生装置
JP4491114B2 (ja) * 2000-06-23 2010-06-30 株式会社日立グローバルストレージテクノロジーズ 落下感知センサ及びこれを用いた情報処理装置
JP2002100180A (ja) * 2000-09-22 2002-04-05 Toshiba Corp 磁気ディスク装置
US6580574B1 (en) * 2001-05-25 2003-06-17 Western Digital Technologies, Inc. Mobile device comprising a disk storage system protected by a pressure-sensitive detector
JP2004127364A (ja) * 2002-09-30 2004-04-22 Toshiba Corp 電子機器および衝撃対策方法
JP2005129172A (ja) * 2003-10-24 2005-05-19 Matsushita Electric Ind Co Ltd ハードディスクドライブの衝撃保護装置
US7145742B2 (en) * 2004-09-30 2006-12-05 Agere Systems, Inc. Velocity controlled disk drive head retraction after power loss

Also Published As

Publication number Publication date
US7206158B2 (en) 2007-04-17
US20050264914A1 (en) 2005-12-01
CN1873781A (zh) 2006-12-06
SG117515A1 (en) 2005-12-29
CN100399424C (zh) 2008-07-02

Similar Documents

Publication Publication Date Title
JP2005346741A (ja) ディスク記憶装置及び同装置に適用される緊急ヘッド退避制御回路
JP2002298530A (ja) 電源遮断時のヘッドリトラクト方法及び磁気ディスク装置
JP4421485B2 (ja) 電源遮断時におけるヘッドリトラクト方法及び同方法を適用するディスク記憶装置
US7274529B2 (en) Disk drive with adaptive actuator braking upon unexpected power loss
CN101192186A (zh) 信息处理设备
JPH1125625A (ja) ディスクドライブ装置、ロード・アンロード装置及びその制御方法
JP2009020968A (ja) 磁気ディスク装置、同装置を搭載した携帯型電子機器及び同電子機器の落下時における緊急ヘッドアンロード方法
JP2001202728A (ja) ディスク記憶装置、同記憶装置を搭載したシステム、及び同記憶装置を搭載した車両
JP4078155B2 (ja) 磁気ディスク装置及びその制御方法
KR100630713B1 (ko) 스핀들 모터 기동 전류 제어 방법 및 이를 이용한 디스크드라이브
US20100328813A1 (en) Disk-enclosure cover for low-profile, hard-disk drive
US11322180B2 (en) Storage apparatus
JPWO2008146364A1 (ja) 制御装置及び記憶装置
US9058834B1 (en) Power architecture for low power modes in storage devices
JP4819591B2 (ja) ハードディスクドライブ及びハードディスクドライブの磁気ヘッド退避方法並びにハードディスクドライブの磁気ヘッドの退避を遂行するコンピュータプログラムを記録した記録媒体
US6738217B2 (en) Method and apparatus for controlling access to disk upon detection of condensation
JP2009054209A (ja) 不揮発性半導体メモリ装置を有するディスク・ドライブ装置及びそのディスク・ドライブ装置において不揮発性半導体メモリ装置にデータを格納する方法
JP4266112B2 (ja) 記録再生装置
JP4267596B2 (ja) ヘッドのロード／アンロード制御方法及び記憶装置
JP4220986B2 (ja) ヘッドのロード／アンロード制御方法及び記憶装置
JP4891382B2 (ja) 磁気ディスク装置及びプログラム
JP4267597B2 (ja) ヘッドのロード／アンロード制御方法及び記憶装置
JP4651698B2 (ja) 記録再生装置
JP2001143228A (ja) 電源遮断時アンロード回路、同回路を備えたディスク記憶装置及び電源遮断時におけるヘッドアンロード方法
JP2001307449A (ja) 磁気ディスク装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070711

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20081001

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081021

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090310