KR100712429B1 - 서브-코드 채널들을 이용한 컴팩트 디스크-음성 침해 방지 - Google Patents

서브-코드 채널들을 이용한 컴팩트 디스크-음성 침해 방지 Download PDF

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Publication number
KR100712429B1
KR100712429B1 KR1020027013784A KR20027013784A KR100712429B1 KR 100712429 B1 KR100712429 B1 KR 100712429B1 KR 1020027013784 A KR1020027013784 A KR 1020027013784A KR 20027013784 A KR20027013784 A KR 20027013784A KR 100712429 B1 KR100712429 B1 KR 100712429B1
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KR
South Korea
Prior art keywords
data
coded
medium
standard
audio
Prior art date
Application number
KR1020027013784A
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English (en)
Korean (ko)
Other versions
KR20030064618A (ko
Inventor
란 알캘레이
패트리스 신-퀸
필립페 셀브
Original Assignee
마크로비젼 유럽 리미티드
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 마크로비젼 유럽 리미티드 filed Critical 마크로비젼 유럽 리미티드
Publication of KR20030064618A publication Critical patent/KR20030064618A/ko
Application granted granted Critical
Publication of KR100712429B1 publication Critical patent/KR100712429B1/ko

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    • 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

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  • 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)
KR1020027013784A 2000-04-14 2001-03-29 서브-코드 채널들을 이용한 컴팩트 디스크-음성 침해 방지 KR100712429B1 (ko)

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
US09/549,820 2000-04-14

Publications (2)

Publication Number Publication Date
KR20030064618A KR20030064618A (ko) 2003-08-02
KR100712429B1 true KR100712429B1 (ko) 2007-04-27

Family

ID=24194491

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020027013784A KR100712429B1 (ko) 2000-04-14 2001-03-29 서브-코드 채널들을 이용한 컴팩트 디스크-음성 침해 방지

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008180A2 (en) * 1996-08-05 1998-02-26 T.T.R. Technologies Ltd. Digital optical media authentication and copy protection method
US5930209A (en) 1996-07-24 1999-07-27 U.S. Philips Corporation Optical disc with sector address irregularities to prevent copying, and apparatus for recording and detecting such copy protection
US6104679A (en) 1998-10-01 2000-08-15 T.T.R. Technologies Ltd. Method for determining an unauthorized copy of an optical disc

Family Cites Families (7)

* 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
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.
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5930209A (en) 1996-07-24 1999-07-27 U.S. Philips Corporation Optical disc with sector address irregularities to prevent copying, and apparatus for recording and detecting such copy protection
WO1998008180A2 (en) * 1996-08-05 1998-02-26 T.T.R. Technologies Ltd. Digital optical media authentication and copy protection method
US6104679A (en) 1998-10-01 2000-08-15 T.T.R. Technologies Ltd. Method for determining an unauthorized copy of an optical disc

Also Published As

Publication number Publication date
EP1297651A2 (en) 2003-04-02
IL152251A0 (en) 2003-05-29
AU4678701A (en) 2001-10-30
MXPA02010186A (es) 2004-08-19
CA2422515C (en) 2011-05-03
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

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KR100712429B1 (ko) 서브-코드 채널들을 이용한 컴팩트 디스크-음성 침해 방지
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