GB9912312D0 - The copy protection of digital audio compact discs - Google Patents

The copy protection of digital audio compact discs

Info

Publication number
GB9912312D0
GB9912312D0 GBGB9912312.7A GB9912312A GB9912312D0 GB 9912312 D0 GB9912312 D0 GB 9912312D0 GB 9912312 A GB9912312 A GB 9912312A GB 9912312 D0 GB9912312 D0 GB 9912312D0
Authority
GB
United Kingdom
Prior art keywords
digital audio
compact discs
copy protection
audio compact
copy
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.)
Ceased
Application number
GBGB9912312.7A
Other languages
English (en)
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.)
Rovi Solutions Ltd
Original Assignee
C Dilla 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=GB9912312(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by C Dilla Ltd filed Critical C Dilla Ltd
Priority to GBGB9912312.7A priority Critical patent/GB9912312D0/en
Publication of GB9912312D0 publication Critical patent/GB9912312D0/en
Priority to CA002338826A priority patent/CA2338826A1/en
Priority to CNB008009481A priority patent/CN1156839C/zh
Priority to RU2001105189/28A priority patent/RU2249861C2/ru
Priority to NZ509615A priority patent/NZ509615A/xx
Priority to JP2001500269A priority patent/JP3405980B2/ja
Priority to EP00935336A priority patent/EP1101222A1/en
Priority to BR0006159-0A priority patent/BR0006159A/pt
Priority to MXPA01000950A priority patent/MXPA01000950A/es
Priority to GB0102129A priority patent/GB2355575B/en
Priority to AU50885/00A priority patent/AU773875B2/en
Priority to CNA2003101240362A priority patent/CN1523600A/zh
Priority to PCT/GB2000/002011 priority patent/WO2000074053A1/en
Priority to KR1020017001058A priority patent/KR100558342B1/ko
Priority to PL00345732A priority patent/PL345732A1/xx
Priority to HK01107334A priority patent/HK1037421A1/xx
Ceased 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
    • G11B20/0092—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)
GBGB9912312.7A 1999-05-26 1999-05-26 The copy protection of digital audio compact discs Ceased GB9912312D0 (en)

Priority Applications (16)

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
KR1020017001058A KR100558342B1 (ko) 1999-05-26 2000-05-25 디지털 오디오 컴팩트 디스크의 복사 방지
PL00345732A PL345732A1 (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs
BR0006159-0A BR0006159A (pt) 1999-05-26 2000-05-25 Proteção contra cópia de discos a laser de áudio digital
MXPA01000950A MXPA01000950A (es) 1999-05-26 2000-05-25 La proteccion contra copia de discos compactos de audio digital.
RU2001105189/28A RU2249861C2 (ru) 1999-05-26 2000-05-25 Защита от копирования компакт-дисков с цифровой звукозаписью
NZ509615A NZ509615A (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs
JP2001500269A JP3405980B2 (ja) 1999-05-26 2000-05-25 ディジタルオーディオコンパクトディスクのコピー保護
EP00935336A EP1101222A1 (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs
CA002338826A CA2338826A1 (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs
CNB008009481A CN1156839C (zh) 1999-05-26 2000-05-25 数字音频光盘的复制保护
GB0102129A GB2355575B (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs
AU50885/00A AU773875B2 (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs
CNA2003101240362A CN1523600A (zh) 1999-05-26 2000-05-25 受复制保护的数字音频光盘
PCT/GB2000/002011 WO2000074053A1 (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs
HK01107334A HK1037421A1 (en) 1999-05-26 2001-10-19 The copy protection of digital audio compact discs

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB9912312D0 true GB9912312D0 (en) 1999-07-28

Family

ID=10854243

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9912312.7A Ceased GB9912312D0 (en) 1999-05-26 1999-05-26 The copy protection of digital audio compact discs
GB0102129A Expired - Fee Related GB2355575B (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0102129A Expired - Fee Related GB2355575B (en) 1999-05-26 2000-05-25 The copy protection of digital audio compact discs

Country Status (14)

Country Link
EP (1) EP1101222A1 (ko)
JP (1) JP3405980B2 (ko)
KR (1) KR100558342B1 (ko)
CN (2) CN1523600A (ko)
AU (1) AU773875B2 (ko)
BR (1) BR0006159A (ko)
CA (1) CA2338826A1 (ko)
GB (2) GB9912312D0 (ko)
HK (1) HK1037421A1 (ko)
MX (1) MXPA01000950A (ko)
NZ (1) NZ509615A (ko)
PL (1) PL345732A1 (ko)
RU (1) RU2249861C2 (ko)
WO (1) WO2000074053A1 (ko)

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
CA2422515C (en) * 2000-04-14 2011-05-03 Midbar Tech Ltd 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.
WO2002095735A2 (en) * 2001-05-21 2002-11-28 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
AU2002358951A1 (en) * 2001-12-06 2003-06-17 Malvern House A copy-protected compact disc and method for producing same
GB2386245B (en) * 2002-03-08 2005-12-07 First 4 Internet Ltd Data protection system
CN100383877C (zh) 2002-04-18 2008-04-23 皇家飞利浦电子股份有限公司 使用非标准toc条目检测和保护拷贝的方法
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
US20050078822A1 (en) * 2003-10-08 2005-04-14 Eyal Shavit Secure access and copy protection management system
EP1883070A3 (en) 2003-10-08 2008-02-13 Macrovision Corporation 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
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
US8059937B2 (en) 2004-02-19 2011-11-15 Rovi Solutions Corporation Relating to 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
EP0711479A4 (en) * 1993-07-26 1996-10-02 Elonex Technologies Inc CD PROM ENCRYPTION SYSTEM
US5596639A (en) * 1993-07-26 1997-01-21 Elonex Ip Holdings Ltd. Cd-prom
CA2232818C (en) * 1996-07-24 2006-06-06 Philips Electronics N.V. Improvements in and relating to optically readable discs and disc recording apparatus
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
ES2155230T3 (es) * 1997-08-28 2001-05-01 Sony Dadc Austria Ag Sistema para gestionar el copiado de un disco optico.
EP0984346A1 (en) * 1998-09-02 2000-03-08 Hitachi Europe Limited Copy protection apparatus and method

Also Published As

Publication number Publication date
GB0102129D0 (en) 2001-03-14
AU773875B2 (en) 2004-06-10
WO2000074053A1 (en) 2000-12-07
CN1310841A (zh) 2001-08-29
NZ509615A (en) 2003-04-29
JP3405980B2 (ja) 2003-05-12
RU2249861C2 (ru) 2005-04-10
HK1037421A1 (en) 2002-02-08
BR0006159A (pt) 2001-04-17
CA2338826A1 (en) 2000-12-07
GB2355575B (en) 2003-07-23
GB2355575A (en) 2001-04-25
CN1523600A (zh) 2004-08-25
CN1156839C (zh) 2004-07-07
AU5088500A (en) 2000-12-18
KR100558342B1 (ko) 2006-03-10
EP1101222A1 (en) 2001-05-23
KR20010053603A (ko) 2001-06-25
JP2003500789A (ja) 2003-01-07
MXPA01000950A (es) 2002-06-04
PL345732A1 (en) 2002-01-02

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)