AU2002354458A1 - Data recording and reproducing system - Google Patents

Data recording and reproducing system

Info

Publication number
AU2002354458A1
AU2002354458A1 AU2002354458A AU2002354458A AU2002354458A1 AU 2002354458 A1 AU2002354458 A1 AU 2002354458A1 AU 2002354458 A AU2002354458 A AU 2002354458A AU 2002354458 A AU2002354458 A AU 2002354458A AU 2002354458 A1 AU2002354458 A1 AU 2002354458A1
Authority
AU
Australia
Prior art keywords
data recording
reproducing system
reproducing
recording
data
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
AU2002354458A
Inventor
Akiyoshi Uchida
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of AU2002354458A1 publication Critical patent/AU2002354458A1/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
    • 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
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B2020/183—Testing wherein at least one additional attempt is made to read or write the data when a first attempt is unsuccessful

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
AU2002354458A 2002-12-10 2002-12-10 Data recording and reproducing system Abandoned AU2002354458A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/012924 WO2004053873A1 (en) 2002-12-10 2002-12-10 Data recording and reproducing system

Publications (1)

Publication Number Publication Date
AU2002354458A1 true AU2002354458A1 (en) 2004-06-30

Family

ID=32500607

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002354458A Abandoned AU2002354458A1 (en) 2002-12-10 2002-12-10 Data recording and reproducing system

Country Status (3)

Country Link
JP (1) JP4006446B2 (en)
AU (1) AU2002354458A1 (en)
WO (1) WO2004053873A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8225183B2 (en) * 2008-09-30 2012-07-17 Lsi Corporation Methods and apparatus for selective data retention decoding in a hard disk drive
US20110205653A1 (en) * 2010-02-24 2011-08-25 Lsi Corporation Systems and Methods for Data Recovery
WO2013021588A1 (en) 2011-08-09 2013-02-14 パナソニック株式会社 Decoding device and decoding method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2706321B2 (en) * 1989-07-10 1998-01-28 パイオニア株式会社 Information reading method for information recording medium having track structure
JPH0728926A (en) * 1993-07-13 1995-01-31 Omron Corp Magnetic medium reading device
JP2000187844A (en) * 1998-12-22 2000-07-04 Canon Inc Device and method for reproducing and computer readable storage medium
JP2000242907A (en) * 1999-02-16 2000-09-08 Nec Corp Method and device for reading out information

Also Published As

Publication number Publication date
JPWO2004053873A1 (en) 2006-04-13
JP4006446B2 (en) 2007-11-14
WO2004053873A1 (en) 2004-06-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase