MXPA02010186A - Prevencion de copiado ilegal de discos compactos de audio utilizando canales de sub-codigo. - Google Patents

Prevencion de copiado ilegal de discos compactos de audio utilizando canales de sub-codigo.

Info

Publication number
MXPA02010186A
MXPA02010186A MXPA02010186A MXPA02010186A MXPA02010186A MX PA02010186 A MXPA02010186 A MX PA02010186A MX PA02010186 A MXPA02010186 A MX PA02010186A MX PA02010186 A MXPA02010186 A MX PA02010186A MX PA02010186 A MXPA02010186 A MX PA02010186A
Authority
MX
Mexico
Prior art keywords
data
recorded
storage medium
altered
sub
Prior art date
Application number
MXPA02010186A
Other languages
English (en)
Spanish (es)
Inventor
Philippe Selve
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
Priority claimed from US09/549,820 external-priority patent/US6988206B1/en
Application filed by Macrovision Europ Ltd filed Critical Macrovision Europ Ltd
Priority claimed from PCT/IL2001/000295 external-priority patent/WO2001080546A2/en
Publication of MXPA02010186A publication Critical patent/MXPA02010186A/es

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
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G11B20/00202—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier wherein the copy protection scheme builds on multi-session recording, e.g. defective table of contents [TOC] in the 2nd session
    • 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
    • G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file stored on the 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
    • G11B20/0092—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
    • G11B20/10—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
    • G11B2020/1267—Address data
    • G11B2020/1271—Address data the address data being stored in a subcode, e.g. in the Q channel of a CD
    • 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
    • G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
    • 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)
  • Television Signal Processing For Recording (AREA)
MXPA02010186A 2000-04-14 2001-03-29 Prevencion de copiado ilegal de discos compactos de audio utilizando canales de sub-codigo. MXPA02010186A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/549,820 US6988206B1 (en) 1998-10-20 2000-04-14 Prevention of CD-audio piracy using sub-code channels
PCT/IL2001/000295 WO2001080546A2 (en) 1999-08-09 2001-03-29 Prevention of cd-audio piracy using sub-code channels

Publications (1)

Publication Number Publication Date
MXPA02010186A true MXPA02010186A (es) 2004-08-19

Family

ID=24194491

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA02010186A MXPA02010186A (es) 2000-04-14 2001-03-29 Prevencion de copiado ilegal de discos compactos de audio utilizando canales de sub-codigo.

Country Status (9)

Country Link
EP (1) EP1297651A4 (zh)
JP (1) JP2004501477A (zh)
KR (1) KR100712429B1 (zh)
CN (1) CN100336336C (zh)
AU (1) AU781208B2 (zh)
BR (1) BR0110039A (zh)
CA (1) CA2422515C (zh)
IL (1) IL152251A0 (zh)
MX (1) MXPA02010186A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0124723D0 (en) * 2001-10-15 2001-12-05 Macrovision Corp Improvements in or relating to the copy protection of optical discs
KR200452225Y1 (ko) * 2008-06-05 2011-02-14 (주)시공사 재활용 목재를 이용한 건축 내장용 조립패널
US20100214893A1 (en) * 2009-02-25 2010-08-26 Aylward Adrian R Copy protection using complexity and uncomputability

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08153331A (ja) * 1994-09-29 1996-06-11 Applics:Kk コピーｃｄ−ｒｏｍ判別方法および装置
WO1998003973A2 (en) 1996-07-24 1998-01-29 Philips Electronics N.V. Improvements in and relating to optically readable discs and disc recording apparatus
WO1998008180A2 (en) * 1996-08-05 1998-02-26 T.T.R. Technologies Ltd. Digital optical media authentication and copy protection method
AU7362198A (en) * 1997-05-16 1998-12-08 Imation Corp. Arrangement for preventing use of unauthorized duplicates of a data storage medium using subcode and method therefor
ES2155230T3 (es) * 1997-08-28 2001-05-01 Sony Dadc Austria Ag Sistema para gestionar el copiado de un disco optico.
US6104679A (en) 1998-10-01 2000-08-15 T.T.R. Technologies Ltd. Method for determining an unauthorized copy of an optical disc
AU6082799A (en) * 1998-10-05 2000-04-26 Koninklijke Philips Electronics N.V. System for copy protection of recorded information
EP1181689B1 (en) * 1999-05-11 2004-03-10 Macrovision Corporation Methods for Recording and Reading Data from a Compact Disk, and a Compact Disk Player
GB9912312D0 (en) * 1999-05-26 1999-07-28 Dilla Limited C The copy protection of digital audio compact discs
GB0003530D0 (en) * 2000-02-15 2000-04-05 Dilla Limited C The copy protection of digital audio compact discs

Also Published As

Publication number Publication date
EP1297651A2 (en) 2003-04-02
IL152251A0 (en) 2003-05-29
AU4678701A (en) 2001-10-30
CA2422515C (en) 2011-05-03
KR100712429B1 (ko) 2007-04-27
KR20030064618A (ko) 2003-08-02
CN1460342A (zh) 2003-12-03
BR0110039A (pt) 2003-12-30
CA2422515A1 (en) 2001-10-25
EP1297651A4 (en) 2006-04-12
JP2004501477A (ja) 2004-01-15
CN100336336C (zh) 2007-09-05
AU781208B2 (en) 2005-05-12

Similar Documents

Publication Publication Date Title
WO2001080546A3 (en) Prevention of cd-audio piracy using sub-code channels
EP0902946B1 (en) System for copy protection of recorded signals
US7372964B2 (en) Method and apparatus for recording information including secret information and method and apparatus for reproduction thereof
KR100829177B1 (ko) 콘텐츠 데이터, 기록매체, 기록방법, 기록장치, 재생방법 및 재생장치
GR3035549T3 (en) Method and apparatus for copy protection for various recording media using a video finger print
AU2956895A (en) Method and apparatus for copy protection for various recording media
KR100707807B1 (ko) 데이터기록매체, 데이터기록장치, 데이터기록방법,데이터재생장치 및 데이터재생방법
DE69632965D1 (de) Kopiergeschütztes aufnahme- und wiedergabesystem
MY152844A (en) Signal recording and reproduction and signal record media
MXPA02005360A (es) Disco compacto digital de audio protegido contra copias, y metodo y sistema para producir el mismo.
TW328584B (en) Data recording apparatus and method for preventing illegal copying
EP1363282A3 (en) Digital data recording apparatus and a method for protecting copyrights that facilitate reproduction of encrypted digital data recorded on recording media, and a computer-readable recording medium that records a program of the method
NZ509615A (en) The copy protection of digital audio compact discs
WO1998008180A3 (en) Digital optical media authentication and copy protection method
TW330280B (en) Digital image signal recording and/or reproducing method and media thereof
WO2003025930A1 (fr) Procede de reproduction de support d'enregistrement et appareil de reproduction, procede d'enregistrement de support d'enregistrement et appareil d'enregistrement
HUP0100222A2 (hu) Másolásvédett információhordozó valamint lejátszó, felvevő és eljárás információrögzítésre
EP1052850A3 (en) Digital signal recording/reproducing apparatus
MY134472A (en) Recording method, recording apparatus, reproducing method and reproducing apparatus
EP0129427A3 (en) Diskette protection
MXPA02010186A (es) Prevencion de copiado ilegal de discos compactos de audio utilizando canales de sub-codigo.
EP1318517A3 (en) Data recording medium, reproduction apparatus; recording apparatus, reproducing method, recording method, computer-readable recorded medium in which reproducing program is recorded, and computer-readable recorded medium in which recording program is recorded
EP0940810A1 (en) Recording medium with copyright protection features
AU6209998A (en) Method and apparatus for encrypting and for decrypting data arranged in a data sector
JPH0748278B2 (ja) 記録再生装置

Legal Events

Date Code Title Description
GB Transfer or rights
FG Grant or registration
GB Transfer or rights
HC Change of company name or juridical status