AU2001220860A1 - Write compensation for a multi-level data storage system - Google Patents

Write compensation for a multi-level data storage system

Info

Publication number
AU2001220860A1
AU2001220860A1 AU2001220860A AU2086001A AU2001220860A1 AU 2001220860 A1 AU2001220860 A1 AU 2001220860A1 AU 2001220860 A AU2001220860 A AU 2001220860A AU 2086001 A AU2086001 A AU 2086001A AU 2001220860 A1 AU2001220860 A1 AU 2001220860A1
Authority
AU
Australia
Prior art keywords
data storage
storage system
level data
write compensation
compensation
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.)
Abandoned
Application number
AU2001220860A
Inventor
Judith C Powelson
David K Warland
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.)
Calimetrics Inc
Original Assignee
Calimetrics 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 Calimetrics Inc filed Critical Calimetrics Inc
Publication of AU2001220860A1 publication Critical patent/AU2001220860A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Head (AREA)
AU2001220860A 2000-02-02 2000-12-11 Write compensation for a multi-level data storage system Abandoned AU2001220860A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09496898 2000-02-02
US09/496,898 US6940790B1 (en) 2000-02-02 2000-02-02 Write compensation for a multi-level data storage system
PCT/US2000/033559 WO2001057856A1 (en) 2000-02-02 2000-12-11 Write compensation for a multi-level data storage system

Publications (1)

Publication Number Publication Date
AU2001220860A1 true AU2001220860A1 (en) 2001-08-14

Family

ID=23974649

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001220860A Abandoned AU2001220860A1 (en) 2000-02-02 2000-12-11 Write compensation for a multi-level data storage system

Country Status (3)

Country Link
US (1) US6940790B1 (en)
AU (1) AU2001220860A1 (en)
WO (1) WO2001057856A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6982939B2 (en) * 2000-02-02 2006-01-03 Lsi Logic Corporation Write compensation for data storage and communication systems
US7082091B2 (en) * 2001-07-31 2006-07-25 Ricoh Company, Ltd. Information reproducing method judging a multivalued level of a present cell by referring to judged multivalued levels of a preceding cell and an ensuing cell
TWI255452B (en) * 2002-03-18 2006-05-21 Ricoh Kk Multi-level information recording apparatus, multi-level information recording method, multi-level information recording medium and multi-level information recording-reproducing apparatus
JP4070529B2 (en) * 2002-07-15 2008-04-02 パイオニア株式会社 Information recording apparatus and method, and waveform data generation apparatus and method
JP4027785B2 (en) * 2002-11-21 2007-12-26 株式会社リコー Information recording / reproducing device
EP1628293A4 (en) * 2003-05-28 2007-10-17 Ricoh Kk Information recording method for recording multinary data in optimal recording condition
CN1842848A (en) * 2003-08-27 2006-10-04 皇家飞利浦电子股份有限公司 Write strategy for a data storage system
CN1977314A (en) * 2004-07-12 2007-06-06 松下电器产业株式会社 Recording condition optimizing method, information recording/reproducing device, and integrated circuit device
US7420580B2 (en) * 2004-10-29 2008-09-02 Hewlett-Packard Development Company, L.P. Laser power calibration in an optical disc drive
US7515165B2 (en) * 2004-10-29 2009-04-07 Hewlett-Packard Development Company, L.P. Laser power calibration in an optical disc drive
US7701479B2 (en) * 2004-12-17 2010-04-20 Hewlett-Packard Development Company, L.P. System and method for laser write power calibration
DE102005040413A1 (en) * 2005-08-26 2007-03-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for recording data on a photosensitive media array
US7738348B2 (en) * 2006-05-08 2010-06-15 Mediatek Inc. Flexible power interface control system and method of optical disk drive
KR20080106778A (en) * 2007-06-04 2008-12-09 삼성전자주식회사 Method of writing strategy parameters indexing, method and circuit of writing strategy parameter adaptation using the same for data recording on optical medium
US8654471B2 (en) 2011-09-30 2014-02-18 Lsi Corporation Disk-based storage device having write signal compensation for magnetization polarity of adjacent bits
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5726965A (en) 1996-02-29 1998-03-10 Eastman Kodak Company Intersymbol interference detection in an optical recording system using a reflected write signal
TW468177B (en) 1998-08-04 2001-12-11 Hitachi Ltd Data storage method, data storage medium and data storage recording device
US6269060B1 (en) * 1999-09-09 2001-07-31 Ian E. Harvey Programmable write signal generator

Also Published As

Publication number Publication date
WO2001057856A9 (en) 2002-07-18
WO2001057856A1 (en) 2001-08-09
US6940790B1 (en) 2005-09-06

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