DE602005016003D1 - Verfahren und vorrichtungen zur steuerung des schreibtreiberstroms - Google Patents
Verfahren und vorrichtungen zur steuerung des schreibtreiberstromsInfo
- Publication number
- DE602005016003D1 DE602005016003D1 DE602005016003T DE602005016003T DE602005016003D1 DE 602005016003 D1 DE602005016003 D1 DE 602005016003D1 DE 602005016003 T DE602005016003 T DE 602005016003T DE 602005016003 T DE602005016003 T DE 602005016003T DE 602005016003 D1 DE602005016003 D1 DE 602005016003D1
- Authority
- DE
- Germany
- Prior art keywords
- write driver
- control
- lookup table
- value
- controlling
- 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.)
- Active
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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/022—H-Bridge head driver circuit, the "H" configuration allowing to inverse the current direction in the head
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62302204P | 2004-10-28 | 2004-10-28 | |
PCT/US2005/001096 WO2006049635A1 (en) | 2004-10-28 | 2005-01-11 | Methods and apparatus for controlling write driver current |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602005016003D1 true DE602005016003D1 (de) | 2009-09-24 |
Family
ID=34960321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005016003T Active DE602005016003D1 (de) | 2004-10-28 | 2005-01-11 | Verfahren und vorrichtungen zur steuerung des schreibtreiberstroms |
Country Status (7)
Country | Link |
---|---|
US (1) | US7660064B2 (de) |
EP (1) | EP1810282B1 (de) |
JP (1) | JP4739344B2 (de) |
KR (1) | KR101063179B1 (de) |
AT (1) | ATE439668T1 (de) |
DE (1) | DE602005016003D1 (de) |
WO (1) | WO2006049635A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7688536B2 (en) * | 2007-05-23 | 2010-03-30 | International Business Machines Corporation | Variable power write driver circuit |
US7933090B1 (en) * | 2009-01-14 | 2011-04-26 | Western Digital Technologies, Inc. | Disk drive establishing write current limits prior to optimizing the write current for a plurality of tracks |
US8424418B1 (en) | 2010-09-30 | 2013-04-23 | Western Digital Technologies, Inc. | Systems and methods for coupling screwdrivers to screw finders |
US8310902B1 (en) | 2011-12-23 | 2012-11-13 | HGST Netherlands B.V. | Signal-extraction laser-pulse system architecture for thermally-assisted magnetic recording |
CN102522950B (zh) | 2012-01-06 | 2015-04-29 | 开曼群岛威睿电通股份有限公司 | 具有输出信号转换率控制的电子芯片 |
US8957934B2 (en) * | 2012-11-21 | 2015-02-17 | Ricoh Company, Ltd. | Light source drive circuit, optical scanning apparatus, semiconductor drive circuit, and image forming apparatus |
US9207750B2 (en) | 2012-12-14 | 2015-12-08 | Intel Corporation | Apparatus and method for reducing leakage power of a circuit |
US8848467B1 (en) | 2013-03-14 | 2014-09-30 | Taiwan Semiconductor Manufacturing Co., Ltd. | Integrated write mux and driver systems and methods |
US9793890B2 (en) * | 2015-05-07 | 2017-10-17 | Infineon Technologies Austria Ag | System and method for a switch transistor driver |
US9275656B1 (en) | 2015-07-20 | 2016-03-01 | HGST Netherlands B.V. | Disk drive with channel and preamp with dynamic write-current control for write head |
US9368132B1 (en) | 2015-09-04 | 2016-06-14 | Western Digital Technologies, Inc. | Data storage device employing differential write data signal and differential write pattern signal |
JP6629160B2 (ja) | 2016-09-26 | 2020-01-15 | 株式会社東芝 | 磁気記録再生装置および磁気記録再生装置の制御方法 |
JP2019160381A (ja) * | 2018-03-16 | 2019-09-19 | 株式会社東芝 | ディスク装置、プリアンプ、及び制御方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02306401A (ja) * | 1989-05-19 | 1990-12-19 | Fujitsu Ltd | 2端子薄膜磁気ヘッド用記録回路 |
US5993356A (en) * | 1996-12-31 | 1999-11-30 | Houston Enterprises, Inc. | Force generation and control system for an exercise machine |
US6252450B1 (en) * | 1999-09-09 | 2001-06-26 | Stmicroelectronics, Inc. | Circuit and method for writing to a memory disk |
US7440208B1 (en) * | 2001-09-21 | 2008-10-21 | Maxtor Corporation | Flexible partial response targets for data detectors |
US6970316B2 (en) | 2001-11-09 | 2005-11-29 | Stmicroelectronics, Inc. | Write head driver circuit and method for writing to a memory disk |
US20030111856A1 (en) * | 2001-12-13 | 2003-06-19 | Hewett Frank W. | Bundling, carrying and storing device |
JP3648496B2 (ja) | 2002-05-31 | 2005-05-18 | 株式会社東芝 | ディスク記憶装置及び同装置における記録電流制御方法 |
JP3978091B2 (ja) | 2002-06-24 | 2007-09-19 | 株式会社日立グローバルストレージテクノロジーズ | オーバーシュート電流位相/振幅制御機構を備えた磁気記録装置、制御回路および制御方法 |
US6927933B2 (en) * | 2003-04-02 | 2005-08-09 | Texas Instruments Incorporated | Apparatus configured for applying write signals for driving a write head and method for configuring |
JP4819316B2 (ja) * | 2004-02-23 | 2011-11-24 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US7035028B2 (en) * | 2004-05-12 | 2006-04-25 | Stmicroelectronics, Inc. | Disk drive write driver with boosting circuit to improve output voltage swing |
US7365928B2 (en) * | 2004-04-14 | 2008-04-29 | Stmicroelectronics, Inc. | Write driver with improved boosting circuit and interconnect impedance matching |
US8032672B2 (en) * | 2006-04-14 | 2011-10-04 | Apple Inc. | Increased speed of processing of audio samples received over a serial communications link by use of channel map and steering table |
-
2005
- 2005-01-11 JP JP2007538882A patent/JP4739344B2/ja not_active Expired - Fee Related
- 2005-01-11 KR KR1020077009720A patent/KR101063179B1/ko active IP Right Grant
- 2005-01-11 WO PCT/US2005/001096 patent/WO2006049635A1/en active Application Filing
- 2005-01-11 DE DE602005016003T patent/DE602005016003D1/de active Active
- 2005-01-11 US US11/576,486 patent/US7660064B2/en not_active Expired - Fee Related
- 2005-01-11 EP EP05705648A patent/EP1810282B1/de not_active Not-in-force
- 2005-01-11 AT AT05705648T patent/ATE439668T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2008518382A (ja) | 2008-05-29 |
KR20070083849A (ko) | 2007-08-24 |
EP1810282B1 (de) | 2009-08-12 |
US20090116134A1 (en) | 2009-05-07 |
JP4739344B2 (ja) | 2011-08-03 |
WO2006049635A1 (en) | 2006-05-11 |
US7660064B2 (en) | 2010-02-09 |
KR101063179B1 (ko) | 2011-09-08 |
EP1810282A1 (de) | 2007-07-25 |
ATE439668T1 (de) | 2009-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |