JP4058153B2 - 符号化方法およびそれを用いた記録再生装置 - Google Patents

符号化方法およびそれを用いた記録再生装置 Download PDF

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Publication number
JP4058153B2
JP4058153B2 JP04318698A JP4318698A JP4058153B2 JP 4058153 B2 JP4058153 B2 JP 4058153B2 JP 04318698 A JP04318698 A JP 04318698A JP 4318698 A JP4318698 A JP 4318698A JP 4058153 B2 JP4058153 B2 JP 4058153B2
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Japan
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bit
bit string
data
bits
code
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JP04318698A
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English (en)
Japanese (ja)
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JPH11243345A (ja
JPH11243345A5 (enExample
Inventor
卓史 西谷
達哉 平井
誠一 三田
孝 奈良
陽一 上原
博史 井出
匡子 塚野
善寿 渡部
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株式会社日立グローバルストレージテクノロジーズ
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Priority to JP04318698A priority Critical patent/JP4058153B2/ja
Priority to US09/255,733 priority patent/US6373407B1/en
Publication of JPH11243345A publication Critical patent/JPH11243345A/ja
Publication of JPH11243345A5 publication Critical patent/JPH11243345A5/ja
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations 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
    • G11B20/14—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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations 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
    • G11B20/14—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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1446—16 to 17 modulation

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
JP04318698A 1998-02-25 1998-02-25 符号化方法およびそれを用いた記録再生装置 Expired - Fee Related JP4058153B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP04318698A JP4058153B2 (ja) 1998-02-25 1998-02-25 符号化方法およびそれを用いた記録再生装置
US09/255,733 US6373407B1 (en) 1998-02-25 1999-02-23 Data encoding method for digital data recording and data recording system using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04318698A JP4058153B2 (ja) 1998-02-25 1998-02-25 符号化方法およびそれを用いた記録再生装置

Publications (3)

Publication Number Publication Date
JPH11243345A JPH11243345A (ja) 1999-09-07
JPH11243345A5 JPH11243345A5 (enExample) 2005-09-08
JP4058153B2 true JP4058153B2 (ja) 2008-03-05

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Family Applications (1)

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JP04318698A Expired - Fee Related JP4058153B2 (ja) 1998-02-25 1998-02-25 符号化方法およびそれを用いた記録再生装置

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US (1) US6373407B1 (enExample)
JP (1) JP4058153B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3950579B2 (ja) 1999-05-20 2007-08-01 株式会社日立グローバルストレージテクノロジーズ 符号化方法およびこれを用いた記録再生装置
SG87129A1 (en) * 1999-07-12 2002-03-19 Ibm Data encoding systems
US6680980B1 (en) * 1999-09-03 2004-01-20 Infineon Technologies North America Corp. Supporting ME2PRML and M2EPRML with the same trellis structure
JP4162814B2 (ja) * 1999-10-28 2008-10-08 富士通株式会社 デジタル信号処理方法及びデジタル信号処理装置
JP4171171B2 (ja) 2000-10-25 2008-10-22 株式会社日立グローバルストレージテクノロジーズ データ同期検出方法およびデータ同期検出装置、情報記録方法および情報記録装置、情報再生方法および情報再生装置、情報記録フォーマット、信号処理装置、情報記録再生装置、情報記録媒体
US7404131B2 (en) * 2001-01-22 2008-07-22 Maxtor Corporation High efficiency, error minimizing coding strategy method and apparatus
WO2003012789A1 (en) * 2001-07-27 2003-02-13 Fujitsu Limited Signal processing method, signal processing circuit and information recorder/reproducer
JP4695814B2 (ja) * 2002-02-08 2011-06-08 株式会社日立グローバルストレージテクノロジーズ データ復号方法・回路及びこれを用いた情報記録再生装置
WO2003092004A1 (en) * 2002-04-26 2003-11-06 Koninklijke Philips Electronics N.V. Method and apparatus for multi-dimensionally encoding and decoding
JP2007242066A (ja) * 2006-03-03 2007-09-20 Fujitsu Ltd Ｍｔｒ符号化方法、ｍｔｒ復号方法、ｍｔｒ符号器、ｍｔｒ復号器及び磁気記録装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233221A (ja) * 1988-07-22 1990-02-02 Matsushita Electric Ind Co Ltd コード変換装置と復号装置
US5635933A (en) * 1995-06-30 1997-06-03 Quantum Corporation Rate 16/17 (d=0,G=6/I=7) modulation code for a magnetic recording channel
KR0165441B1 (ko) * 1995-09-18 1999-03-20 김광호 디지털 데이터 채널 부호화 및 복호화방법과 그 장치
US5731768A (en) * 1996-01-31 1998-03-24 Seagate Technology, Inc. Method and apparatus for implementing codes with maximum transition run length
US5859601A (en) * 1996-04-05 1999-01-12 Regents Of The University Of Minnesota Method and apparatus for implementing maximum transition run codes
KR100219608B1 (ko) * 1996-07-23 1999-10-01 윤종용 디지탈 기록 미디어와 디지탈 통신등의 디지탈 채널에 채택되는 신호변조방법
US5717395A (en) 1996-07-29 1998-02-10 Cirrus Logic, Inc. Rate 16/17 ENDEC with independent high/low byte decoding
US5781133A (en) * 1996-08-05 1998-07-14 Seagate Technology, Inc. Method and apparatus for implementing run length limited codes
KR100408532B1 (ko) * 1996-10-31 2004-01-24 삼성전자주식회사 데이타저장기기의prml코드생성방법
US5784010A (en) * 1997-02-03 1998-07-21 International Business Machines Corporation Method and apparatus for implementing a set rate code for data channels with alternate 9-bit code words and 8-bit code words
US6188335B1 (en) * 1998-08-19 2001-02-13 Hewlett-Packard Company Method and apparatus having cascaded decoding for multiple runlength-limited channel codes

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Publication number Publication date
JPH11243345A (ja) 1999-09-07
US6373407B1 (en) 2002-04-16

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