DE69839293D1 - PRML-Kode Kodier- und Dekodierverfahren für Dateienspeichervorrichtung mit hoher Dichte - Google Patents

PRML-Kode Kodier- und Dekodierverfahren für Dateienspeichervorrichtung mit hoher Dichte

Info

Publication number
DE69839293D1
DE69839293D1 DE69839293T DE69839293T DE69839293D1 DE 69839293 D1 DE69839293 D1 DE 69839293D1 DE 69839293 T DE69839293 T DE 69839293T DE 69839293 T DE69839293 T DE 69839293T DE 69839293 D1 DE69839293 D1 DE 69839293D1
Authority
DE
Germany
Prior art keywords
storage device
decoding method
file storage
code encoding
density file
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.)
Expired - Fee Related
Application number
DE69839293T
Other languages
English (en)
Other versions
DE69839293T2 (de
Inventor
Jin-Sook Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE69839293D1 publication Critical patent/DE69839293D1/de
Publication of DE69839293T2 publication Critical patent/DE69839293T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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
    • 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
DE69839293T 1997-08-27 1998-05-05 PRML-Kode Kodier- und Dekodierverfahren für Dateienspeichervorrichtung mit hoher Dichte Expired - Fee Related DE69839293T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019970041341A KR100450782B1 (ko) 1997-08-27 1997-08-27 고밀도 데이타 저장기기를 위한 피알엠엘 코드의 부호화 및복호화 방법
KR9741341 1997-08-27

Publications (2)

Publication Number Publication Date
DE69839293D1 true DE69839293D1 (de) 2008-05-08
DE69839293T2 DE69839293T2 (de) 2009-04-16

Family

ID=19518757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69839293T Expired - Fee Related DE69839293T2 (de) 1997-08-27 1998-05-05 PRML-Kode Kodier- und Dekodierverfahren für Dateienspeichervorrichtung mit hoher Dichte

Country Status (5)

Country Link
US (1) US6127954A (de)
EP (1) EP0899885B1 (de)
JP (1) JPH11185398A (de)
KR (1) KR100450782B1 (de)
DE (1) DE69839293T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6643814B1 (en) * 1999-07-12 2003-11-04 International Business Machines Corporation Maximum transition run encoding and decoding systems
SG102605A1 (en) * 2000-12-07 2004-03-26 Inst Data Storage A data processing apparatus and method for d=2 optical channels
KR100745267B1 (ko) * 2000-12-29 2007-08-01 엘지전자 주식회사 에러정정 데이터의 변조방법 및 장치
KR100537516B1 (ko) * 2004-01-08 2005-12-19 삼성전자주식회사 코드율 13/15인 ｍｔｒ 코드 부호화/복호화 방법 및 장치
US8788921B2 (en) * 2011-10-27 2014-07-22 Lsi Corporation Detector with soft pruning
US9312886B2 (en) 2013-09-20 2016-04-12 Seagate Technology Llc Storage device with multiple coding redundancies
US8976474B1 (en) 2013-10-03 2015-03-10 Seagate Technology Llc Universal modulation coding for a data channel
CN110230997B (zh) * 2019-06-04 2020-04-21 江南大学 一种基于改进单调法的阴影区相位噪声校正方法
US11150955B2 (en) 2020-01-16 2021-10-19 Fujitsu Limited Generation and usage of a task-based programming platform

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707681A (en) * 1986-04-24 1987-11-17 International Business Machines Corporation Method and apparatus for implementing optimum PRML codes
US4786890A (en) * 1987-07-28 1988-11-22 International Business Machines Corporation Method and apparatus for implementing a PRML code
JPH0555932A (ja) * 1991-08-23 1993-03-05 Matsushita Electric Ind Co Ltd 誤り訂正符復号化装置
DE4127984A1 (de) * 1991-08-23 1993-02-25 Broadcast Television Syst Synchronisationsverfahren fuer einen lauflaengen-begrenzten (1,7) -code und schaltungsanordnung hierfuer
US5196849A (en) * 1992-01-31 1993-03-23 International Business Machines Corporation Method and apparatus for implementing PRML codes with maximum ones
US5260703A (en) * 1992-08-27 1993-11-09 Quantum Corporation Data encoding and decoding within PRML class IV sampling data detection channel of disk drive
JPH0982044A (ja) * 1995-09-11 1997-03-28 Matsushita Electric Ind Co Ltd 再生装置
JP3928186B2 (ja) * 1995-11-17 2007-06-13 ソニー株式会社 ディジタル信号記録装置および再生装置
KR100370416B1 (ko) * 1996-10-31 2003-04-08 삼성전기주식회사 고밀도 데이터의 기록/재생을 위한 부호화/복호화 방법 및 그에 따른 장치

Also Published As

Publication number Publication date
KR100450782B1 (ko) 2004-11-16
JPH11185398A (ja) 1999-07-09
KR19990018221A (ko) 1999-03-15
EP0899885A2 (de) 1999-03-03
US6127954A (en) 2000-10-03
EP0899885B1 (de) 2008-03-26
DE69839293T2 (de) 2009-04-16
EP0899885A3 (de) 1999-08-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee