JP2005346741A5 - - Google Patents
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- Publication number
- JP2005346741A5 JP2005346741A5 JP2004161417A JP2004161417A JP2005346741A5 JP 2005346741 A5 JP2005346741 A5 JP 2005346741A5 JP 2004161417 A JP2004161417 A JP 2004161417A JP 2004161417 A JP2004161417 A JP 2004161417A JP 2005346741 A5 JP2005346741 A5 JP 2005346741A5
- Authority
- JP
- Japan
- Prior art keywords
- storage device
- disk
- head
- disk storage
- emergency
- 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
Links
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 JP2005346741A (ja) | 2005-12-15 |
| JP2005346741A5 true 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)
| 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)
| 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 |
-
2004
- 2004-05-31 JP JP2004161417A patent/JP2005346741A/ja active Pending
-
2005
- 2005-01-18 SG SG200500251A patent/SG117515A1/en unknown
- 2005-01-21 US US11/038,049 patent/US7206158B2/en not_active Expired - Fee Related
- 2005-01-31 CN CNB2005100064165A patent/CN100399424C/zh not_active Expired - Fee Related
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