JP2007293980A5 - - Google Patents
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- Publication number
- JP2007293980A5 JP2007293980A5 JP2006119351A JP2006119351A JP2007293980A5 JP 2007293980 A5 JP2007293980 A5 JP 2007293980A5 JP 2006119351 A JP2006119351 A JP 2006119351A JP 2006119351 A JP2006119351 A JP 2006119351A JP 2007293980 A5 JP2007293980 A5 JP 2007293980A5
- Authority
- JP
- Japan
- Prior art keywords
- voltage value
- set voltage
- magnetic disk
- transition
- supplying
- 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
- 230000007704 transition Effects 0.000 claims 22
- 238000005259 measurement Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006119351A JP2007293980A (ja) | 2006-04-24 | 2006-04-24 | 磁気ディスク装置およびロード/アンロード方法 |
| CN2007101012078A CN101064169B (zh) | 2006-04-24 | 2007-04-24 | 磁盘驱动器和加载/卸载方法 |
| US11/789,770 US7558017B2 (en) | 2006-04-24 | 2007-04-24 | Magnetic disk drive and a loading/unloading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006119351A JP2007293980A (ja) | 2006-04-24 | 2006-04-24 | 磁気ディスク装置およびロード/アンロード方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007293980A JP2007293980A (ja) | 2007-11-08 |
| JP2007293980A5 true JP2007293980A5 (enExample) | 2009-02-12 |
Family
ID=38660944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006119351A Pending JP2007293980A (ja) | 2006-04-24 | 2006-04-24 | 磁気ディスク装置およびロード/アンロード方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7558017B2 (enExample) |
| JP (1) | JP2007293980A (enExample) |
| CN (1) | CN101064169B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7559017B2 (en) | 2006-12-22 | 2009-07-07 | Google Inc. | Annotation framework for video |
| JP4768840B2 (ja) | 2009-07-24 | 2011-09-07 | 株式会社東芝 | 磁気ディスク装置のロード・アンロード制御方法及び装置 |
| GB201006394D0 (en) * | 2010-04-16 | 2010-06-02 | Dyson Technology Ltd | Controller for a brushless motor |
| JP2019160357A (ja) * | 2018-03-08 | 2019-09-19 | 株式会社東芝 | 磁気ディスク装置 |
| US10418055B1 (en) * | 2018-04-26 | 2019-09-17 | Seagate Technology Llc | Dual-stage head suspension assembly having additional microactuator pair |
| CN113162512B (zh) * | 2021-02-23 | 2022-09-23 | 歌尔股份有限公司 | 音圈电机及其控制方法和控制装置 |
| US12334119B2 (en) * | 2023-06-19 | 2025-06-17 | Stmicroelectronics International N.V. | Method of operating hard disk drives, corresponding control circuit, hard disk drive and processing device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6148240A (en) * | 1998-03-06 | 2000-11-14 | Quantum Corporation | Method and apparatus for performing an open-loop current shaping for seeking acoustics reduction in a disk drive |
| 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 |
| JP3549744B2 (ja) * | 1998-09-21 | 2004-08-04 | 富士通株式会社 | 情報記憶装置及びその制御方法 |
| US6441988B2 (en) * | 1998-10-07 | 2002-08-27 | Samsung Electronics Co., Ltd. | Method and apparatus for reducing acoustic noise in a hard disk drive |
| 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 |
| JP3856608B2 (ja) * | 1999-11-29 | 2006-12-13 | 富士通株式会社 | アクチュエータの速度制御装置及び記憶装置 |
| US6801384B2 (en) * | 2000-09-14 | 2004-10-05 | Samsung Electronics Co., Ltd. | Voltage-constrained sinusoidal seek servo in hard disk drives |
| JP4223667B2 (ja) * | 2000-09-18 | 2009-02-12 | 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 |
| JP2002319257A (ja) * | 2001-04-23 | 2002-10-31 | Fujitsu Ltd | ロード/アンロード動作制御方法及び記憶装置 |
| JP2005174511A (ja) * | 2003-12-15 | 2005-06-30 | Toshiba Corp | ディスク記憶装置及びヘッドアンロード制御方法 |
| US20060077588A1 (en) * | 2004-10-12 | 2006-04-13 | Teng-Yuan Shih | Generalized sinusoidal trajectory for seek servomechanism of hard drives |
| US7180692B1 (en) * | 2005-12-27 | 2007-02-20 | Hitachi Global Storage Technologies Netherlands B.V. | System and method for calibrating and controlling a fly-height actuator in a magnetic recording disk drive |
-
2006
- 2006-04-24 JP JP2006119351A patent/JP2007293980A/ja active Pending
-
2007
- 2007-04-24 CN CN2007101012078A patent/CN101064169B/zh not_active Expired - Fee Related
- 2007-04-24 US US11/789,770 patent/US7558017B2/en not_active Expired - Fee Related
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