DE602006002299D1 - Geführter scrambling GS Ersatzkode für minderung von DC Anteil mittles gleitendes Fenster für magneto-opische Disks Kodierer. - Google Patents

Geführter scrambling GS Ersatzkode für minderung von DC Anteil mittles gleitendes Fenster für magneto-opische Disks Kodierer.

Info

Publication number
DE602006002299D1
DE602006002299D1 DE602006002299T DE602006002299T DE602006002299D1 DE 602006002299 D1 DE602006002299 D1 DE 602006002299D1 DE 602006002299 T DE602006002299 T DE 602006002299T DE 602006002299 T DE602006002299 T DE 602006002299T DE 602006002299 D1 DE602006002299 D1 DE 602006002299D1
Authority
DE
Germany
Prior art keywords
mitigation
encoders
magneto
content
sliding window
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.)
Active
Application number
DE602006002299T
Other languages
English (en)
Inventor
Toshio Ito
Masaru Sawada
Toshihiko Morita
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 DE602006002299D1 publication Critical patent/DE602006002299D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1866—Error detection or correction; Testing, e.g. of drop-outs by interleaving
DE602006002299T 2005-03-31 2006-03-30 Geführter scrambling GS Ersatzkode für minderung von DC Anteil mittles gleitendes Fenster für magneto-opische Disks Kodierer. Active DE602006002299D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005102093 2005-03-31
EP05255031 2005-08-15
JP2005342666A JP4705461B2 (ja) 2005-03-31 2005-11-28 符号器および復号器

Publications (1)

Publication Number Publication Date
DE602006002299D1 true DE602006002299D1 (de) 2008-10-02

Family

ID=37069749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006002299T Active DE602006002299D1 (de) 2005-03-31 2006-03-30 Geführter scrambling GS Ersatzkode für minderung von DC Anteil mittles gleitendes Fenster für magneto-opische Disks Kodierer.

Country Status (4)

Country Link
US (1) US7248188B2 (de)
JP (1) JP4705461B2 (de)
KR (1) KR100852932B1 (de)
DE (1) DE602006002299D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7218255B1 (en) * 2002-12-04 2007-05-15 Marvell International Ltd. Methods and apparatus for improving minimum Hamming weights of a sequence
US7158058B1 (en) 2002-12-09 2007-01-02 Marvell International Ltd. Method and apparatus for generating a seed set in a data dependent seed selector
US7469049B1 (en) * 2003-03-04 2008-12-23 Marvell International Ltd. Data dependent scrambler with reduced overhead
US7475331B1 (en) * 2003-10-07 2009-01-06 Marvell International Ltd. Data dependent scrambler with improved global constraint
WO2009154797A2 (en) * 2008-06-20 2009-12-23 Rambus, Inc. Frequency responsive bus coding
US8352826B2 (en) * 2008-08-05 2013-01-08 Seagate Technology Llc System for providing running digital sum control in a precoded bit stream
JP5339816B2 (ja) * 2008-08-20 2013-11-13 沖電気工業株式会社 符号化装置
KR20130080203A (ko) * 2012-01-04 2013-07-12 삼성전자주식회사 셀 상태들의 비대칭 특성을 고려한 프로그램 데이터를 생성하는 방법 및 그것을 이용한 메모리 시스템
US9577672B2 (en) * 2014-07-18 2017-02-21 Storart Technology Co., Ltd. Low density parity-check code decoder and decoding method thereof
CN107918571B (zh) * 2016-10-08 2021-04-30 上海宝存信息科技有限公司 测试储存单元的方法以及使用该方法的装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510724A1 (de) 1984-03-26 1985-09-26 Canon K.K., Tokio/Tokyo Einrichtung zur datenverarbeitung
US4833471A (en) * 1984-03-26 1989-05-23 Canon Kabushiki Kaisha Data processing apparatus
JP3510859B2 (ja) * 1996-10-11 2004-03-29 三洋電機株式会社 ディジタルディスク
EP0886275B1 (de) * 1996-10-11 2004-03-31 SANYO ELECTRIC Co., Ltd. Digitalaufzeichnungsverfahren
JPH10208404A (ja) * 1997-01-27 1998-08-07 Fujitsu Ltd 変調方法、変調装置、復調方法及び復調装置
JP3492512B2 (ja) * 1998-02-27 2004-02-03 シャープ株式会社 ディジタル変調装置
JP3877434B2 (ja) * 1998-06-26 2007-02-07 富士通株式会社 変調装置
JP2000134101A (ja) * 1998-10-23 2000-05-12 Sanyo Electric Co Ltd 符号化回路
JP3439680B2 (ja) * 1999-02-02 2003-08-25 シャープ株式会社 ディジタル変調回路
KR100565046B1 (ko) 1999-04-21 2006-03-30 삼성전자주식회사 개선된 ｄｃ 억압 능력을 갖는 ｒｌｌ 코드 배치 방법, 변복조 방법 및 복조 장치
KR100424482B1 (ko) * 2000-06-22 2004-03-24 엘지전자 주식회사 일련의 데이터 워드를 변조신호로 변환하는 방법 및 장치
US6853320B2 (en) * 2001-01-16 2005-02-08 Victor Company Of Japan, Ltd. Modulation system
KR100725685B1 (ko) * 2001-07-05 2007-06-07 엘지전자 주식회사 일련의 데이터 워드를 변조신호로 변환하는 방법
US6909385B2 (en) 2001-07-09 2005-06-21 Seagate Technology Llc Method and apparatus for suppressing low frequency content in digital data
JP2003257128A (ja) * 2001-09-07 2003-09-12 Sanyo Electric Co Ltd 情報記録装置および変調回路
US7006016B1 (en) * 2003-10-10 2006-02-28 Marvell International Ltd. DC-free line codes

Also Published As

Publication number Publication date
KR100852932B1 (ko) 2008-08-19
KR20060105593A (ko) 2006-10-11
US20060220928A1 (en) 2006-10-05
JP4705461B2 (ja) 2011-06-22
US7248188B2 (en) 2007-07-24
JP2006309910A (ja) 2006-11-09

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Legal Events

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8328 Change in the person/name/address of the agent

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