KR20110097575A - 재생가능 로케이션 식별 회로 및 방법과 하드디스크 드라이브 시스템 - Google Patents

재생가능 로케이션 식별 회로 및 방법과 하드디스크 드라이브 시스템 Download PDF

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Publication number
KR20110097575A
KR20110097575A KR1020100065520A KR20100065520A KR20110097575A KR 20110097575 A KR20110097575 A KR 20110097575A KR 1020100065520 A KR1020100065520 A KR 1020100065520A KR 20100065520 A KR20100065520 A KR 20100065520A KR 20110097575 A KR20110097575 A KR 20110097575A
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KR
South Korea
Prior art keywords
data
location
circuit
storage medium
sync mark
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English (en)
Korean (ko)
Inventor
조지 매튜
샤오후아 양
하이타오 시아
네나드 밀라디노빅
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엘에스아이 코포레이션
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Publication of KR20110097575A publication Critical patent/KR20110097575A/ko
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59605—Circuits
    • G11B5/59616—Synchronisation; Clocking
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/33—Synchronisation based on error coding or decoding
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1287—Synchronisation pattern, e.g. VCO fields
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B2020/1476—Synchronisation patterns; Coping with defects thereof
    • 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
    • G11B2020/185—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using an low density parity check [LDPC] code

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR1020100065520A 2010-02-24 2010-07-07 재생가능 로케이션 식별 회로 및 방법과 하드디스크 드라이브 시스템 Withdrawn KR20110097575A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/712,136 2010-02-24
US12/712,136 US20110205653A1 (en) 2010-02-24 2010-02-24 Systems and Methods for Data Recovery

Publications (1)

Publication Number Publication Date
KR20110097575A true KR20110097575A (ko) 2011-08-31

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KR1020100065520A Withdrawn KR20110097575A (ko) 2010-02-24 2010-07-07 재생가능 로케이션 식별 회로 및 방법과 하드디스크 드라이브 시스템

Country Status (6)

Country Link
US (1) US20110205653A1 (enExample)
EP (1) EP2360696A1 (enExample)
JP (1) JP2011175721A (enExample)
KR (1) KR20110097575A (enExample)
CN (1) CN102163464A (enExample)
TW (1) TW201137865A (enExample)

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JP2011175721A (ja) 2011-09-08
CN102163464A (zh) 2011-08-24
US20110205653A1 (en) 2011-08-25
TW201137865A (en) 2011-11-01
EP2360696A1 (en) 2011-08-24

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