DE69425543D1 - Verfahren und Gerät zur Aufzeichnung von Informationssignalen und Aufzeichnungsmedium - Google Patents

Verfahren und Gerät zur Aufzeichnung von Informationssignalen und Aufzeichnungsmedium

Info

Publication number
DE69425543D1
DE69425543D1 DE69425543T DE69425543T DE69425543D1 DE 69425543 D1 DE69425543 D1 DE 69425543D1 DE 69425543 T DE69425543 T DE 69425543T DE 69425543 T DE69425543 T DE 69425543T DE 69425543 D1 DE69425543 D1 DE 69425543D1
Authority
DE
Germany
Prior art keywords
information signals
recording
recording medium
recording information
medium
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
DE69425543T
Other languages
English (en)
Other versions
DE69425543T2 (de
Inventor
Kazunari Matsui
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18181931&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69425543(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE69425543D1 publication Critical patent/DE69425543D1/de
Application granted granted Critical
Publication of DE69425543T2 publication Critical patent/DE69425543T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00507—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
    • 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
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam 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 only
DE69425543T 1993-11-30 1994-11-29 Verfahren und Gerät zur Aufzeichnung von Informationssignalen und Aufzeichnungsmedium Expired - Lifetime DE69425543T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5325907A JP2927163B2 (ja) 1993-11-30 1993-11-30 情報信号記録方法及び情報信号記録装置

Publications (2)

Publication Number Publication Date
DE69425543D1 true DE69425543D1 (de) 2000-09-21
DE69425543T2 DE69425543T2 (de) 2001-01-04

Family

ID=18181931

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69429837T Expired - Lifetime DE69429837T2 (de) 1993-11-30 1994-11-29 Verfahren zur Aufzeichnung von Informationssignalen
DE69425543T Expired - Lifetime DE69425543T2 (de) 1993-11-30 1994-11-29 Verfahren und Gerät zur Aufzeichnung von Informationssignalen und Aufzeichnungsmedium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69429837T Expired - Lifetime DE69429837T2 (de) 1993-11-30 1994-11-29 Verfahren zur Aufzeichnung von Informationssignalen

Country Status (4)

Country Link
US (3) US5661707A (de)
EP (2) EP0655739B1 (de)
JP (1) JP2927163B2 (de)
DE (2) DE69429837T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2723832B2 (ja) * 1994-06-07 1998-03-09 松下電器産業株式会社 光学式情報記録担体及び光学式情報記録方法、ならびにそれらを利用した光学式情報再生装置
CN1054933C (zh) * 1994-06-07 2000-07-26 松下电器产业株式会社 一种光学信息再生设备
KR0152788B1 (ko) 1994-11-26 1998-10-15 이헌조 디지탈 영상 시스템의 복사 방지 방법 및 장치
KR0136458B1 (ko) 1994-12-08 1998-05-15 구자홍 디지탈 자기 기록재생 시스템의 복사 방지장치
CN100411022C (zh) * 1995-04-10 2008-08-13 松下电器产业株式会社 在光学记录载体上记录数据的方法
CN100419862C (zh) 1996-04-15 2008-09-17 松下电器产业株式会社 一种光盘及其记录/再生设备
USRE39771E1 (en) * 1996-07-31 2007-08-14 Matsushita Electric Industrial Co., Ltd. Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus
US5898394A (en) * 1996-07-31 1999-04-27 Matsushita Electric Industrial Co., Ltd. Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus
JP3566007B2 (ja) * 1996-11-12 2004-09-15 富士通株式会社 デスクランブル回路、スクランブルパターン生成回路及びスクランブルパターン生成方法
JP3360634B2 (ja) * 1999-01-11 2002-12-24 日本ビクター株式会社 情報信号記録媒体
US6822495B2 (en) * 1999-05-06 2004-11-23 Telefonaktiebolaget L M Ericsson (Publ) System and method for implementing a skew-tolerant true-single-phase-clocking flip-flop
JP3292298B2 (ja) * 1999-07-14 2002-06-17 ソニー株式会社 情報記録装置、情報記録方法、情報記録媒体、情報再生装置及び情報再生方法
KR100611955B1 (ko) * 1999-07-20 2006-08-11 삼성전자주식회사 스크램블러
JP2002222524A (ja) * 2000-08-08 2002-08-09 Hitachi Ltd 光ディスク装置および光ディスク装置用データランダム化方法
KR100475604B1 (ko) 2001-03-09 2005-03-10 엘지전자 주식회사 재생전용 광디스크와, 그 재생전용 광디스크 장치에서의재생방법
WO2002101742A1 (fr) 2001-06-06 2002-12-19 Fujitsu Limited Dispositif de stockage d'informations optique, circuit de traitement des donnees et support de stockage d'informations
CA2458609C (en) 2002-06-05 2013-07-23 Lg Electronics Inc. Structure of a linking area formed on a high-density read-only recording medium and manufacturing/reproducing method and apparatus thereof
KR100915875B1 (ko) * 2002-06-05 2009-09-07 엘지전자 주식회사 고밀도 재생 전용 광디스크와, 그 광디스크의 암호화 기록및 재생방법
EP1512143A4 (de) 2002-06-05 2010-02-17 Lg Electronics Inc Hochdichter optischer datenträger, verfahren zum aufzeichnen und wiedergeben verschlüsselter daten darauf
JP4121503B2 (ja) 2002-11-29 2008-07-23 富士通株式会社 データ再生装置
JP3988052B2 (ja) * 2004-01-29 2007-10-10 ソニー株式会社 光ディスク記録装置、光ディスク記録方法、光ディスク、光ディスク再生装置および光ディスク再生方法
JP2008217857A (ja) * 2007-02-28 2008-09-18 Toshiba Corp メモリコントローラ及び半導体装置
US7945050B2 (en) * 2007-09-28 2011-05-17 Intel Corporation Suppressing power supply noise using data scrambling in double data rate memory systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8303859A (nl) * 1983-11-10 1985-06-03 Philips Nv Selektief scramblen bij compact disc.
JP2666367B2 (ja) * 1988-05-24 1997-10-22 ソニー株式会社 Ｍスクランブル回路
JPH0213148A (ja) * 1988-06-30 1990-01-17 Sumitomo Electric Ind Ltd スクランブル回路
JP2768741B2 (ja) * 1989-06-12 1998-06-25 パイオニア株式会社 情報記録装置
JPH03185636A (ja) * 1989-12-14 1991-08-13 Matsushita Electric Ind Co Ltd 光ディスク記録回路およびマルチメディアファイル装置
DE69331163T2 (de) * 1992-02-19 2002-04-18 Sony Corp Optisches Aufzeichnungsmedium, Aufzeichnungs- und Wiedergabemethode, und Methode zur Erzeugung eines Spurfolgefehlersignals
JPH06274885A (ja) * 1993-03-24 1994-09-30 Victor Co Of Japan Ltd 光ディスクの記録方法
CN1054933C (zh) * 1994-06-07 2000-07-26 松下电器产业株式会社 一种光学信息再生设备

Also Published As

Publication number Publication date
EP0655739B1 (de) 2000-08-16
EP1033703B1 (de) 2002-02-06
DE69429837T2 (de) 2002-11-07
JPH07161139A (ja) 1995-06-23
US5661707A (en) 1997-08-26
EP1033703A3 (de) 2000-11-02
JP2927163B2 (ja) 1999-07-28
US5771215A (en) 1998-06-23
US5862115A (en) 1999-01-19
EP0655739A2 (de) 1995-05-31
DE69429837D1 (de) 2002-03-21
EP0655739A3 (de) 1995-06-14
DE69425543T2 (de) 2001-01-04
EP1033703A2 (de) 2000-09-06

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