PL345732A1 - The copy protection of digital audio compact discs - Google Patents

The copy protection of digital audio compact discs

Info

Publication number
PL345732A1
PL345732A1 PL00345732A PL34573200A PL345732A1 PL 345732 A1 PL345732 A1 PL 345732A1 PL 00345732 A PL00345732 A PL 00345732A PL 34573200 A PL34573200 A PL 34573200A PL 345732 A1 PL345732 A1 PL 345732A1
Authority
PL
Poland
Prior art keywords
digital audio
compact discs
copy protection
audio compact
copy
Prior art date
Application number
PL00345732A
Other languages
English (en)
Inventor
Roger Edwards
Original Assignee
Macrovision Europ 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=10854243&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL345732(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Macrovision Europ Ltd filed Critical Macrovision Europ Ltd
Publication of PL345732A1 publication Critical patent/PL345732A1/xx

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
    • G11B20/0092—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
    • G11B20/00956—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 said intentional errors occurring due to an invalid TOC
    • 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
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00615—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 logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
    • G11B20/0063—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 logical format of the recording medium, e.g. the structure of sectors, blocks, or frames wherein the modification to the logical format mainly concerns management data, e.g., by changing the format of the TOC or the subcode
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
PL00345732A 1999-05-26 2000-05-25 The copy protection of digital audio compact discs PL345732A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9912312.7A GB9912312D0 (en) 1999-05-26 1999-05-26 The copy protection of digital audio compact discs
PCT/GB2000/002011 WO2000074053A1 (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs

Publications (1)

Publication Number Publication Date
PL345732A1 true PL345732A1 (en) 2002-01-02

Family

ID=10854243

Family Applications (1)

Application Number Title Priority Date Filing Date
PL00345732A PL345732A1 (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs

Country Status (14)

Country Link
EP (1) EP1101222A1 (xx)
JP (1) JP3405980B2 (xx)
KR (1) KR100558342B1 (xx)
CN (2) CN1156839C (xx)
AU (1) AU773875B2 (xx)
BR (1) BR0006159A (xx)
CA (1) CA2338826A1 (xx)
GB (2) GB9912312D0 (xx)
HK (1) HK1037421A1 (xx)
MX (1) MXPA01000950A (xx)
NZ (1) NZ509615A (xx)
PL (1) PL345732A1 (xx)
RU (1) RU2249861C2 (xx)
WO (1) WO2000074053A1 (xx)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6988206B1 (en) 1998-10-20 2006-01-17 Macrovision Europe Limited Prevention of CD-audio piracy using sub-code channels
US6425098B1 (en) 1998-10-20 2002-07-23 Midbar Tech (1998) Ltd. Prevention of disk piracy
IL131545A0 (en) * 1999-08-23 2001-01-28 Ttr Technologies Ltd Copy-protected digital audio compact disc and method and system for producing same
IL133236A0 (en) * 1999-11-30 2001-03-19 Ttr Technologies Ltd Copy-protected digital audio compact disc and method and system for producing same
GB2357165B (en) * 1999-12-02 2004-06-16 Internat Federation Of The Pho Copyright protection system and method
GB0003530D0 (en) * 2000-02-15 2000-04-05 Dilla Limited C The copy protection of digital audio compact discs
GB0003531D0 (en) * 2000-02-15 2000-04-05 Dilla Limited C The copy protection of digital audio compact discs
AU781208B2 (en) * 2000-04-14 2005-05-12 Rovi Europe Limited Prevention of CD-audio piracy using sub-code channels
BR0112805A (pt) * 2000-07-28 2003-07-01 Macrovision Europ Ltd Proteção contra cópia para discos óticos
ES2180412B1 (es) * 2001-02-23 2004-06-01 Mpo Iberica, S.A. Sistema de proteccion anti-copia para discos compactos de audio.
AU2002339798A1 (en) * 2001-05-21 2002-12-03 Sunncomm, Inc. Apparatus and method for digital content concealment in a storage medium recorded using a recording device
GB0304015D0 (en) 2003-02-21 2003-03-26 Macrovision Europ Ltd Copy protection for applications
DE10140237A1 (de) * 2001-08-22 2003-03-27 Brainshield Technologies Inc Vorrichtung zum Kopierschutz
GB0124723D0 (en) * 2001-10-15 2001-12-05 Macrovision Corp Improvements in or relating to the copy protection of optical discs
ES2221506B1 (es) * 2001-10-16 2005-10-01 Sonopress Ibermemory, S.A. Procedimiento de grabacion de cd-audio para evitar su copia.
ES2211258B1 (es) * 2001-11-13 2005-05-16 Sonopress Ibermemory, S.A. Metodo de grabacion de cd-audio para evitar su copia.
WO2003042988A1 (en) 2001-11-15 2003-05-22 Sony Corporation System and method for controlling the use and duplication of digital content distributed on removable media
US6952479B2 (en) * 2001-11-27 2005-10-04 Macrovision Europe Limited Dynamic copy protection of optical media
TWI251822B (en) 2001-12-06 2006-03-21 Macrovision Eurpoe Ltd A copy-protected compact disc and method for producing same
GB2415826B (en) * 2002-03-08 2006-06-07 First 4 Internet Ltd Data protection system
KR20040101480A (ko) 2002-04-18 2004-12-02 코닌클리케 필립스 일렉트로닉스 엔.브이. 비표준 티.오.씨. 항목들을 이용한 복제 검출 및 방지 방법
US7530116B2 (en) 2002-06-06 2009-05-05 Macrovision Corporation Controlling the downloading and recording of digital data
GB0216142D0 (en) * 2002-07-11 2002-08-21 Knox Alistair J Method and apparatus for optical disc access control
US7161885B2 (en) 2002-12-06 2007-01-09 Macrovision Corporation Copy-protected compact disc and method for producing same
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
GB2402804B (en) 2003-06-13 2006-10-11 Macrovision Europ Ltd Copying copy protected optical discs
JP2005038488A (ja) 2003-07-18 2005-02-10 Teac Corp 光ディスク装置
EP1883069A3 (en) * 2003-10-08 2008-02-13 Macrovision Corporation Secure access and copy protection management system
US20050078822A1 (en) * 2003-10-08 2005-04-14 Eyal Shavit Secure access and copy protection management system
GB2407693B (en) * 2003-11-03 2006-03-15 Macrovision Europ Ltd Improvements in or relating to the formatting of optical discs
DE10355404B3 (de) * 2003-11-25 2005-03-10 Ok Media Disc Service Gmbh & C Kopiergeschützter Datenträger und Verfahren zum Bewirken eines Kopierschutzes von Datenmengen
US8059937B2 (en) 2004-02-19 2011-11-15 Rovi Solutions Corporation Relating to the copy protection of optical discs
GB0403719D0 (en) 2004-02-19 2004-03-24 Macrovision Europ Ltd Improvements in or relating to the defeat of the copy protection of optical discs
US7706661B2 (en) * 2004-05-19 2010-04-27 Macrovision Corporation Copy protection of optical discs using redundant control data
GB2414337B (en) 2004-05-19 2008-10-29 Macrovision Europ Ltd The copy protection of optical discs
US7701825B2 (en) 2005-06-17 2010-04-20 Macrovision Corporation Apparatus for and a method of authenticating recording media
EP1780707A1 (en) * 2005-09-09 2007-05-02 Sony DADC Austria AG Recordable optical disc
US7609944B2 (en) 2006-07-05 2009-10-27 Macrovision Corporation Copy protection of optical discs
US8254761B2 (en) 2007-03-07 2012-08-28 Rovi Solutions Corporation Copying digital content by emulating playing of a recording medium by a player
US8930718B2 (en) 2007-03-28 2015-01-06 Rovi Solutions Corporation Apparatus for and a method of providing content data
US7755980B2 (en) 2007-04-04 2010-07-13 Rovi Solutions Corporation Copy protection of optical discs
GB2449647B (en) 2007-05-29 2010-01-13 Fortium Technologies Ltd Optical discs
US8189998B2 (en) 2008-01-16 2012-05-29 Rovi Solutions Corporation Apparatus for and a method of copy-protecting a content carrying recording medium
GB2457482B (en) * 2008-02-14 2012-10-03 Fortium Technologys Ltd Copy protection system for optical discs

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111321A (ja) * 1985-11-11 1987-05-22 Onken:Kk デイスクフオ−マツトの特殊構成とその記録法
US5418852A (en) * 1992-03-18 1995-05-23 Fujitsu Limited Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus
US5596639A (en) * 1993-07-26 1997-01-21 Elonex Ip Holdings Ltd. Cd-prom
EP0711479A4 (en) * 1993-07-26 1996-10-02 Elonex Technologies Inc CD PROM ENCRYPTION SYSTEM
CN1294588C (zh) * 1996-07-24 2007-01-10 皇家菲利浦电子有限公司 光盘录取装置
AU7472998A (en) * 1997-05-16 1998-12-08 Imation Corp. Arrangement and method for preventing use of unauthorized duplicates of data storage media using address information
JPH113568A (ja) * 1997-06-12 1999-01-06 Victor Co Of Japan Ltd ディスク，その識別方法・装置，その再生装置
EP0899733B1 (en) * 1997-08-28 2001-03-21 Sony DADC Austria AG Optical disc copy management system
EP0984346A1 (en) * 1998-09-02 2000-03-08 Hitachi Europe Limited Copy protection apparatus and method

Also Published As

Publication number Publication date
CA2338826A1 (en) 2000-12-07
WO2000074053A1 (en) 2000-12-07
AU773875B2 (en) 2004-06-10
HK1037421A1 (en) 2002-02-08
JP2003500789A (ja) 2003-01-07
GB0102129D0 (en) 2001-03-14
RU2249861C2 (ru) 2005-04-10
KR100558342B1 (ko) 2006-03-10
MXPA01000950A (es) 2002-06-04
KR20010053603A (ko) 2001-06-25
JP3405980B2 (ja) 2003-05-12
EP1101222A1 (en) 2001-05-23
GB9912312D0 (en) 1999-07-28
AU5088500A (en) 2000-12-18
BR0006159A (pt) 2001-04-17
NZ509615A (en) 2003-04-29
CN1156839C (zh) 2004-07-07
CN1523600A (zh) 2004-08-25
GB2355575A (en) 2001-04-25
GB2355575B (en) 2003-07-23
CN1310841A (zh) 2001-08-29

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Legal Events

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