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DE60232125D1 - Multi-Level Datenverarbeitung für die Aufzeichnung - Google Patents

Multi-Level Datenverarbeitung für die Aufzeichnung

Info

Publication number
DE60232125D1
DE60232125D1 DE60232125T DE60232125T DE60232125D1 DE 60232125 D1 DE60232125 D1 DE 60232125D1 DE 60232125 T DE60232125 T DE 60232125T DE 60232125 T DE60232125 T DE 60232125T DE 60232125 D1 DE60232125 D1 DE 60232125D1
Authority
DE
Germany
Prior art keywords
recording
data processing
level data
level
processing
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 - Lifetime
Application number
DE60232125T
Other languages
English (en)
Inventor
Koubun Sakagami
Kazunori Takatsu
Akihiko Shimizu
Yuichi Kadokawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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
Priority claimed from JP2002011160A external-priority patent/JP3810690B2/ja
Priority claimed from JP2002116738A external-priority patent/JP3810703B2/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE60232125D1 publication Critical patent/DE60232125D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60232125T 2001-09-21 2002-09-17 Multi-Level Datenverarbeitung für die Aufzeichnung Expired - Lifetime DE60232125D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001289787 2001-09-21
JP2002011160A JP3810690B2 (ja) 2002-01-21 2002-01-21 多値データ処理方法と多値データ処理装置
JP2002116738A JP3810703B2 (ja) 2001-09-21 2002-04-18 データ処理方法とデータ処理回路とデータ処理装置

Publications (1)

Publication Number Publication Date
DE60232125D1 true DE60232125D1 (de) 2009-06-10

Family

ID=27347557

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60232125T Expired - Lifetime DE60232125D1 (de) 2001-09-21 2002-09-17 Multi-Level Datenverarbeitung für die Aufzeichnung

Country Status (4)

Country Link
US (1) US6888479B2 (de)
EP (1) EP1296457B1 (de)
DE (1) DE60232125D1 (de)
TW (1) TWI249737B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4209694B2 (ja) * 2002-03-08 2009-01-14 株式会社リコー テストデータ記録方法とプログラム
TWI255452B (en) 2002-03-18 2006-05-21 Ricoh Kk Multi-level information recording apparatus, multi-level information recording method, multi-level information recording medium and multi-level information recording-reproducing apparatus
JP2003317256A (ja) * 2002-04-15 2003-11-07 Ricoh Co Ltd 多値データ記録再生装置
US7046610B2 (en) * 2002-04-24 2006-05-16 Ricoh Company, Ltd. Recording medium suitable for recording/reproducing multi-level data
US7190653B2 (en) * 2002-10-21 2007-03-13 Ricoh Company, Ltd. Data recording/reproducing device
JP4027778B2 (ja) * 2002-10-30 2007-12-26 株式会社リコー 多値データ処理方法及び装置
JP4027785B2 (ja) * 2002-11-21 2007-12-26 株式会社リコー 情報記録再生装置
US7283593B2 (en) * 2003-06-20 2007-10-16 Intel Corporation Distance determinations associated with a trellis decoder
JP2005259306A (ja) * 2004-03-15 2005-09-22 Ricoh Co Ltd 情報記録方法、情報記録装置、及び情報記録媒体
JP2005267674A (ja) * 2004-03-16 2005-09-29 Ricoh Co Ltd 情報記録方法と情報記録装置
JP4446348B2 (ja) * 2004-03-18 2010-04-07 株式会社リコー 情報記録方法及び情報記録装置
US7593483B2 (en) * 2004-05-07 2009-09-22 Broadcom Corporation Nonlinear mapping in digital-to-analog and analog-to-digital converters
JP2005339678A (ja) * 2004-05-27 2005-12-08 Ricoh Co Ltd 情報記録方法、情報再生方法、情報記録装置及び情報再生装置
EP1783688B1 (de) * 2004-08-20 2017-04-12 Fuji Xerox Co., Ltd. Verfahren zum erzeugen eines label-bildes und bildverarbeitungssystem
US20090103606A1 (en) * 2007-10-17 2009-04-23 Microsoft Corporation Progressive Distributed Video Coding
KR101403314B1 (ko) * 2008-05-23 2014-06-05 삼성전자주식회사 메모리 장치 및 데이터 비트 저장 방법
JP6074712B2 (ja) 2012-04-03 2017-02-08 パナソニックＩｐマネジメント株式会社 映像データ送信装置及び受信装置
CN104303476B (zh) 2012-04-03 2017-03-01 松下知识产权经营株式会社 影像数据发送装置以及接收装置、影像数据发送方法以及接收方法
CN113870921B (zh) * 2021-12-02 2022-03-18 之江实验室 一种忆阻器阵列上符号数映射方法

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FR2128131B1 (de) * 1971-03-05 1975-02-21 Lignes Telegraph Telephon
US4118791A (en) * 1977-04-25 1978-10-03 Norlin Music, Inc. Multi-level encoding system
US4420771A (en) * 1981-02-09 1983-12-13 Bell Telephone Laboratories, Incorporated Technique for encoding multi-level signals
JPS57170652A (en) * 1981-04-15 1982-10-20 Nec Corp Transmitting system for burst signal
US4408189A (en) * 1981-05-18 1983-10-04 Northern Telecom Limited Method and apparatus for code conversion of binary to multilevel signals
US5142380A (en) * 1989-10-23 1992-08-25 Ricoh Company, Ltd. Image data processing apparatus
US5344683A (en) * 1989-10-27 1994-09-06 Ricoh Company, Ltd. Optical information recording medium with phase grooves in land portions of information recording areas
US5497194A (en) * 1990-01-11 1996-03-05 Ricoh Company, Ltd. Electronic camera for photographing and recording an image and for recording and reproducing a voice
JP2708597B2 (ja) * 1990-02-15 1998-02-04 キヤノン株式会社 光学的情報記録再生方法
JPH04107013A (ja) * 1990-08-28 1992-04-08 Ricoh Co Ltd 可変長符号の符号化回路
JPH04178978A (ja) * 1990-11-14 1992-06-25 Ricoh Co Ltd 情報再生装置とその制御方法
JP3074837B2 (ja) * 1991-08-23 2000-08-07 ソニー株式会社 多値記録データの信号再生装置と信号検出方法
US5638354A (en) * 1993-07-16 1997-06-10 Ricoh Company, Ltd. Optical information recording medium
JP3294687B2 (ja) * 1993-09-25 2002-06-24 株式会社リコー クロック分周器およびモータ駆動制御装置
JP3260979B2 (ja) * 1994-07-15 2002-02-25 株式会社リコー 文字認識方法
JP3150856B2 (ja) * 1994-10-12 2001-03-26 株式会社リコー 画像処理方法
JPH08124167A (ja) 1994-10-19 1996-05-17 Hitachi Ltd 光学的情報記録再生方法及び装置
JP3712135B2 (ja) * 1995-01-20 2005-11-02 ソニー株式会社 情報記録装置、情報再生装置、および情報記録媒体
JP3065529B2 (ja) * 1996-03-12 2000-07-17 株式会社リコー 光情報記録媒体および光情報記録媒体のトラッキングサーボ方法
JP3209948B2 (ja) * 1997-08-27 2001-09-17 株式会社リコー 光情報記録媒体及びその原盤露光方法
US7239602B2 (en) * 1998-08-27 2007-07-03 Ricoh Company, Ltd. Optical information recording medium with a partition wall between an information tracks groove and a preformat pit encoding information therefor
JPH11296918A (ja) * 1998-04-08 1999-10-29 Ricoh Co Ltd 光情報記録媒体用スタンパの製造方法
US6148428A (en) * 1998-05-21 2000-11-14 Calimetrics, Inc. Method and apparatus for modulation encoding data for storage on a multi-level optical recording medium
US6487149B1 (en) * 1998-10-09 2002-11-26 Ricoh Company, Ltd. Optical recording and reproducing methods for optical disk
KR100279752B1 (ko) * 1998-11-11 2001-02-01 정선종 고속 광 전송 시스템을 위한 비트 삽입/조작 선로 부호의 부/복호화 장치
JP2000215462A (ja) * 1999-01-25 2000-08-04 Pioneer Electronic Corp 光ディスク及び光ディスク再生装置
US6604219B1 (en) * 2000-02-02 2003-08-05 Calimetrics, Inc. DC control of a multilevel signal
US6987720B2 (en) * 2000-07-13 2006-01-17 Ricoh Company, Ltd. Information recording and/or reproducing apparatus, information recording and/or reproducing method, and phase-change recording medium for use in the apparatus and the methods

Also Published As

Publication number Publication date
EP1296457A3 (de) 2005-03-30
EP1296457A2 (de) 2003-03-26
US6888479B2 (en) 2005-05-03
US20030110444A1 (en) 2003-06-12
TWI249737B (en) 2006-02-21
EP1296457B1 (de) 2009-04-29
TW200305861A (en) 2003-11-01

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Legal Events

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8364 No opposition during term of opposition