PL377932A1 - Zabezpieczenie przed kopiowaniem dysków optycznych - Google Patents

Zabezpieczenie przed kopiowaniem dysków optycznych

Info

Publication number
PL377932A1
PL377932A1 PL377932A PL37793204A PL377932A1 PL 377932 A1 PL377932 A1 PL 377932A1 PL 377932 A PL377932 A PL 377932A PL 37793204 A PL37793204 A PL 37793204A PL 377932 A1 PL377932 A1 PL 377932A1
Authority
PL
Poland
Prior art keywords
optical discs
copy protection
copy
protection
discs
Prior art date
Application number
PL377932A
Other languages
English (en)
Inventor
Philippe Marcel Henri Selve
Victor Kovner
Richard A. A. Heylen
Original Assignee
Macrovision Europe Limited
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 Macrovision Europe Limited filed Critical Macrovision Europe Limited
Publication of PL377932A1 publication Critical patent/PL377932A1/pl

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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
    • 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
    • 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
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
    • 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
    • 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
    • G11B2020/1457—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof wherein DC control is performed by calculating a digital sum value [DSV]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
PL377932A 2003-01-24 2004-01-23 Zabezpieczenie przed kopiowaniem dysków optycznych PL377932A1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0301700.1A GB0301700D0 (en) 2003-01-24 2003-01-24 The copy protection of optical discs

Publications (1)

Publication Number Publication Date
PL377932A1 true PL377932A1 (pl) 2006-02-20

Family

ID=9951771

Family Applications (1)

Application Number Title Priority Date Filing Date
PL377932A PL377932A1 (pl) 2003-01-24 2004-01-23 Zabezpieczenie przed kopiowaniem dysków optycznych

Country Status (13)

Country Link
US (2) US7539394B2 (pl)
EP (1) EP1586092A1 (pl)
JP (1) JP2006516783A (pl)
KR (1) KR101095692B1 (pl)
CN (1) CN1742335B (pl)
AU (1) AU2004205982B2 (pl)
BR (1) BRPI0406563A (pl)
CA (1) CA2513634C (pl)
GB (2) GB0301700D0 (pl)
MX (1) MXPA05007716A (pl)
PL (1) PL377932A1 (pl)
RU (1) RU2005126713A (pl)
WO (1) WO2004066294A1 (pl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7464411B2 (en) 2000-07-28 2008-12-09 Macrovision Corporation Copy protection for optical discs
GB0304015D0 (en) * 2003-02-21 2003-03-26 Macrovision Europ Ltd Copy protection for applications
JP3585468B2 (ja) * 2002-02-28 2004-11-04 株式会社コナミコンピュータエンタテインメント東京 ゲーム装置、プログラム及びゲーム装置の制御方法
GB0301700D0 (en) 2003-01-24 2003-02-26 Macrovision Corp The copy protection of optical discs
GB0304016D0 (en) * 2003-02-21 2003-03-26 Macrovision Europ Ltd The transmission of information
GB2414337B (en) 2004-05-19 2008-10-29 Macrovision Europ Ltd The copy protection of optical discs
US20060136729A1 (en) * 2004-12-20 2006-06-22 Macrovision Europe Limited Copy protection for optical discs
US7418676B2 (en) * 2005-01-19 2008-08-26 Seiko Epson Corporation Asynchronous circuit design tool and computer program product
US7701825B2 (en) * 2005-06-17 2010-04-20 Macrovision Corporation Apparatus for and a method of authenticating recording media
US8155315B2 (en) 2006-01-26 2012-04-10 Rovi Solutions Corporation Apparatus for and a method of downloading media content
GB2457482B (en) * 2008-02-14 2012-10-03 Fortium Technologys Ltd Copy protection system for optical discs
CN101562032B (zh) * 2008-04-15 2012-09-26 曾永汉 防护媒体内容被未经授权地复制的方法和设备

Family Cites Families (50)

* 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.
US5194965A (en) * 1983-11-23 1993-03-16 Macrovision Corporation Method and apparatus for disabling anti-copy protection system in video signals
JP2974678B2 (ja) 1988-06-23 1999-11-10 ソニー株式会社 データ誤り検出方式
US5659613A (en) 1994-06-29 1997-08-19 Macrovision Corporation Method and apparatus for copy protection for various recording media using a video finger print
KR960705317A (ko) 1994-08-08 1996-10-09 이데이 노부유키 데이타 기록 방법, 데이타 기록 장치, 둥근 원반 형상 기록 매체, 컴퓨터 시스템 및 데이타 복제 방지 방법(Data recording method, data, recording apparatus, disk-shaped recording medlum, computer system and data copy preventing method)
CA2165532C (en) 1995-01-23 2005-10-04 Michael L. Mitchell System for encoding a glass master to enable detection of a counterfeit optical cd-rom
KR0165441B1 (ko) * 1995-09-18 1999-03-20 김광호 디지털 데이터 채널 부호화 및 복호화방법과 그 장치
US5699434A (en) * 1995-12-12 1997-12-16 Hewlett-Packard Company Method of inhibiting copying of digital data
US6028936A (en) 1996-01-16 2000-02-22 Disney Enterprises, Inc. Method and apparatus for authenticating recorded media
US5859601A (en) * 1996-04-05 1999-01-12 Regents Of The University Of Minnesota Method and apparatus for implementing maximum transition run codes
DE19628005B4 (de) * 1996-07-11 2004-04-29 Sonopress Produktionsgesellschaft für Ton- und Informationsträger mbH System und Verfahren zur Bereitstellung von Daten für einen Laser-Beam-Recorder
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
JPH10106146A (ja) 1996-09-25 1998-04-24 Victor Co Of Japan Ltd ディスクの記録再生方法及び再生装置
US5787068A (en) * 1996-11-07 1998-07-28 Imation Corp. Method and arrangement for preventing unauthorized duplication of optical discs using barriers
EP0854482B1 (en) 1997-01-16 2004-03-31 SGS-THOMSON MICROELECTRONICS S.r.l. System for decoding the EFM and EFM-PLUS format in optical disc (CD and DVD) read units and corresponding method of decoding
US6058191A (en) * 1997-02-04 2000-05-02 Macrovision Corp Method and apparatus for modifying the envelope of a RF carrier signal to remove copy protection signals therefrom
DE69839231T2 (de) * 1997-05-30 2009-03-12 Macrovision Europe Ltd., Maidenhead Kopierschutzverfahren für einen Aufzeichnungsträger
AU7942998A (en) 1997-06-12 1998-12-30 Auckland Uniservices Limited Wireless signals in inductive power transfer systems
JP4456185B2 (ja) * 1997-08-29 2010-04-28 富士通株式会社 コピー防止機能を持つ見える透かし入り動画像記録媒体とその作成・検出および録画・再生装置
DE69706871T2 (de) * 1997-10-21 2002-04-11 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Verfahren zur Verhinderung des Kopierens von digitalen Daten
US6317397B1 (en) * 1997-11-17 2001-11-13 Matsushita Electric Industrial Co., Ltd. Data recording medium, data recording apparatus, data reproducing apparatus and method
JPH11153705A (ja) 1997-11-20 1999-06-08 Nippon Sheet Glass Co Ltd 軸方向屈折率分布型レンズ
TW408290B (en) * 1997-12-29 2000-10-11 Samsung Electronics Co Ltd Method and apparatus for protecting copyright of digital recording medium and copyright protected digital recording medium
US6076165A (en) * 1998-01-16 2000-06-13 Sony Corporation Method for authenticating digital recording devices
JP3022502B2 (ja) * 1998-08-24 2000-03-21 難波プレス工業株式会社 ウレタン発泡体と金属面との間のきしみ音の発生を防止する処理剤およびその方法
EP0984346A1 (en) * 1998-09-02 2000-03-08 Hitachi Europe Limited Copy protection apparatus and method
EP1011103A1 (en) 1998-12-08 2000-06-21 Metatec International B.V. Copy protection for CD-ROM
GB9912312D0 (en) 1999-05-26 1999-07-28 Dilla Limited C The copy protection of digital audio compact discs
KR100450383B1 (ko) 1999-06-04 2004-09-30 니뽄 다바코 산교 가부시키가이샤 시트담배, 그 제조방법 및 제조시스템
GB0003531D0 (en) 2000-02-15 2000-04-05 Dilla Limited C The copy protection of digital audio compact discs
US7464411B2 (en) 2000-07-28 2008-12-09 Macrovision Corporation Copy protection for optical discs
EP1312086A2 (en) * 2000-08-14 2003-05-21 Koninklijke Philips Electronics N.V. Method for generating a binary signal having a predetermined spectral shape
JP4589510B2 (ja) * 2000-09-29 2010-12-01 株式会社クラレ 熱可塑性重合体組成物
JP2002175662A (ja) * 2000-12-06 2002-06-21 Toshiba Emi Ltd 光ディスク
JP3516142B2 (ja) * 2001-06-12 2004-04-05 ソニー株式会社 記録媒体の記録装置及び記録方法、記録媒体の再生装置及び再生方法、データ出力方法並びにデータ復号方法、
GB0304015D0 (en) 2003-02-21 2003-03-26 Macrovision Europ Ltd Copy protection for applications
JP3971635B2 (ja) 2002-04-08 2007-09-05 株式会社ソニー・ディスクアンドデジタルソリューションズ データ記録媒体、データ記録方法および装置
ATE468586T1 (de) * 2002-04-17 2010-06-15 Sony Dadc Austria Ag Kopierschutzsystem für optische platten
JP2003323761A (ja) 2002-05-02 2003-11-14 Sony Corp デジタルデータの記録媒体、記録方法、記録装置、再生方法、再生装置、送信方法および送信装置
JP3863059B2 (ja) * 2002-05-02 2006-12-27 ソニー株式会社 デジタルデータの記録媒体、記録方法、記録装置、再生方法、再生装置、送信方法および送信装置
JP4143330B2 (ja) 2002-05-14 2008-09-03 ソニー株式会社 データ記録媒体、データ記録方法及び装置
JP2003346431A (ja) * 2002-05-29 2003-12-05 Sony Corp データ記録媒体、データ記録方法および装置
JP3671940B2 (ja) 2002-07-05 2005-07-13 ソニー株式会社 データ記録媒体、データ記録方法および装置
JP4066736B2 (ja) * 2002-07-26 2008-03-26 日本ビクター株式会社 ディジタル情報信号記録方法
CN1636244B (zh) * 2002-08-07 2010-11-10 松下电器产业株式会社 记录装置和记录方法
US7212483B2 (en) * 2002-09-25 2007-05-01 Victor Company Of Japan, Limited Modulation device, modulation method and recording medium
JP3957679B2 (ja) * 2002-12-18 2007-08-15 日本電気株式会社 符号化変調方法および変調装置、復調方法および復調装置、情報記録媒体
GB0301700D0 (en) 2003-01-24 2003-02-26 Macrovision Corp The copy protection of optical discs
GB0304016D0 (en) 2003-02-21 2003-03-26 Macrovision Europ Ltd The transmission of information
GB2414337B (en) * 2004-05-19 2008-10-29 Macrovision Europ Ltd The copy protection of optical discs

Also Published As

Publication number Publication date
GB2397687A (en) 2004-07-28
US8260115B2 (en) 2012-09-04
WO2004066294A1 (en) 2004-08-05
JP2006516783A (ja) 2006-07-06
KR20050103475A (ko) 2005-10-31
US7539394B2 (en) 2009-05-26
AU2004205982B2 (en) 2009-11-12
AU2004205982A1 (en) 2004-08-05
CN1742335A (zh) 2006-03-01
CA2513634A1 (en) 2004-08-05
CN1742335B (zh) 2011-03-16
RU2005126713A (ru) 2006-01-20
EP1586092A1 (en) 2005-10-19
BRPI0406563A (pt) 2005-12-20
MXPA05007716A (es) 2005-09-30
GB2397687B (en) 2006-09-13
KR101095692B1 (ko) 2011-12-20
GB0301700D0 (en) 2003-02-26
US20090201781A1 (en) 2009-08-13
CA2513634C (en) 2013-04-09
US20050226412A1 (en) 2005-10-13
GB0401496D0 (en) 2004-02-25

Similar Documents

Publication Publication Date Title
GB2383185B (en) Improvements in or relating to the copy protection of optical discs
GB2411282B (en) Improvements in or relating to the copy protection of optical discs
AU2003229251A1 (en) Security disk case
GB2397687B (en) The copy protection of optical discs
GB2414338B (en) Improvements in or relating to the copy protection of optical discs
DE60212707D1 (en) Optische phasenmodulation
GB2402804B (en) Copying copy protected optical discs
GB2414337B (en) The copy protection of optical discs
GB2398670B (en) Copy protection for applications
GB2421350B (en) Copy protection for optical discs
GB0212386D0 (en) Copy protect
AU2003233848A8 (en) Security optical component
GB0326132D0 (en) Improvements in or relating to the copy protection of optical discs
AU2003285706A1 (en) Increasing the extendibility of disk copy protection
GB2397911B (en) The copy protection of digital data
IL153949A0 (en) Data disc copy protection
EP1528547A4 (en) OPTICAL DISK
GB0204496D0 (en) Optical disc mastering
GB0217823D0 (en) Optical readable discs
GB0217825D0 (en) Optical readable discs
GB0217814D0 (en) Optical readable discs
GB0300596D0 (en) The copy protection of digital data
AU2002330641A1 (en) Improvements in or relating to the copy protection of optical discs
GB0019970D0 (en) Copy protection for optical discs
GB0018577D0 (en) Copy protection for optical discs

Legal Events

Date Code Title Description
REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)