ATE439668T1 - Verfahren und vorrichtungen zur steuerung des schreibtreiberstroms - Google Patents

Verfahren und vorrichtungen zur steuerung des schreibtreiberstroms

Info

Publication number
ATE439668T1
ATE439668T1 AT05705648T AT05705648T ATE439668T1 AT E439668 T1 ATE439668 T1 AT E439668T1 AT 05705648 T AT05705648 T AT 05705648T AT 05705648 T AT05705648 T AT 05705648T AT E439668 T1 ATE439668 T1 AT E439668T1
Authority
AT
Austria
Prior art keywords
write driver
control
lookup table
value
devices
Prior art date
Application number
AT05705648T
Other languages
English (en)
Inventor
James Howley
Michael Straub
Original Assignee
Agere Systems Inc
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 Agere Systems Inc filed Critical Agere Systems Inc
Application granted granted Critical
Publication of ATE439668T1 publication Critical patent/ATE439668T1/de

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

Landscapes

  • Digital Magnetic Recording (AREA)
  • Electronic Switches (AREA)
AT05705648T 2004-10-28 2005-01-11 Verfahren und vorrichtungen zur steuerung des schreibtreiberstroms ATE439668T1 (de)

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
ATE439668T1 true ATE439668T1 (de) 2009-08-15

Family

ID=34960321

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05705648T ATE439668T1 (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 (15)

* Cited by examiner, † Cited by third party
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
US12542151B2 (en) 2024-05-02 2026-02-03 Avago Technologies International Sales Pte. Limited Programmable writer overdrive
US20250372120A1 (en) * 2024-06-04 2025-12-04 Western Digital Technologies, Inc. High-speed high-voltage cmos write driver

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US7660064B2 (en) 2010-02-09
JP2008518382A (ja) 2008-05-29
KR101063179B1 (ko) 2011-09-08
EP1810282B1 (de) 2009-08-12
KR20070083849A (ko) 2007-08-24
DE602005016003D1 (de) 2009-09-24
JP4739344B2 (ja) 2011-08-03
WO2006049635A1 (en) 2006-05-11
US20090116134A1 (en) 2009-05-07
EP1810282A1 (de) 2007-07-25

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