AT302462T - Copy protection method for a recording carrier with a pattern of logical errors - Google Patents

Copy protection method for a recording carrier with a pattern of logical errors

Info

Publication number
AT302462T
AT302462T AT02075680T AT02075680T AT302462T AT 302462 T AT302462 T AT 302462T AT 02075680 T AT02075680 T AT 02075680T AT 02075680 T AT02075680 T AT 02075680T AT 302462 T AT302462 T AT 302462T
Authority
AT
Austria
Prior art keywords
pattern
protection method
copy protection
recording carrier
logical errors
Prior art date
Application number
AT02075680T
Other languages
German (de)
Inventor
Peter Alfred Newman
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 to EP97303706 priority Critical
Application filed by Macrovision Europ Ltd filed Critical Macrovision Europ Ltd
Publication of AT302462T publication Critical patent/AT302462T/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0092Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927Circuits 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
    • G11B20/00949Circuits 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 bad sectors, which are either physically destroyed or which are declared defective in the defect management information
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/80Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00101Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the original record carrier having a larger recording capacity than the potential target medium
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00166Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00557Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00659Circuits 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0092Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927Circuits 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0092Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00963Circuits 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 not generated on purpose, e.g. random defect patterns occurring during the normal manufacture
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1866Error detection or correction; Testing, e.g. of drop-outs by interleaving
AT02075680T 1997-05-30 1998-05-25 Copy protection method for a recording carrier with a pattern of logical errors AT302462T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97303706 1997-05-30

Publications (1)

Publication Number Publication Date
AT302462T true AT302462T (en) 2005-09-15

Family

ID=8229351

Family Applications (2)

Application Number Title Priority Date Filing Date
AT04105614T AT388470T (en) 1997-05-30 1998-05-25 Copy protection method for a recording carrier
AT02075680T AT302462T (en) 1997-05-30 1998-05-25 Copy protection method for a recording carrier with a pattern of logical errors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT04105614T AT388470T (en) 1997-05-30 1998-05-25 Copy protection method for a recording carrier

Country Status (18)

Country Link
US (3) US6353890B1 (en)
EP (3) EP1227482B1 (en)
JP (2) JP3888473B2 (en)
KR (1) KR100526943B1 (en)
CN (3) CN100517482C (en)
AR (1) AR009877A1 (en)
AT (2) AT388470T (en)
AU (1) AU7228298A (en)
BR (1) BR9804931B1 (en)
CA (1) CA2261899C (en)
DE (2) DE69831275T2 (en)
DK (2) DK1519376T3 (en)
ES (2) ES2247261T3 (en)
HK (1) HK1024086A1 (en)
IL (1) IL128257A (en)
SG (1) SG131753A1 (en)
TW (1) TW399200B (en)
WO (1) WO1998054713A1 (en)

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Also Published As

Publication number Publication date
IL128257D0 (en) 1999-11-30
US7076660B2 (en) 2006-07-11
US7765605B2 (en) 2010-07-27
DE69831275D1 (en) 2005-09-22
EP1227482B1 (en) 2005-08-17
DK1227482T3 (en) 2006-01-02
CN1516155A (en) 2004-07-28
US20060218645A1 (en) 2006-09-28
JP3888473B2 (en) 2007-03-07
CN100517482C (en) 2009-07-22
ES2247261T3 (en) 2006-03-01
EP1227482A2 (en) 2002-07-31
EP1519376B1 (en) 2008-03-05
BR9804931B1 (en) 2010-03-09
DK1519376T3 (en) 2008-06-30
EP1519376A3 (en) 2007-01-10
SG131753A1 (en) 2007-05-28
DE69839231D1 (en) 2008-04-17
JP2007087581A (en) 2007-04-05
AU7228298A (en) 1998-12-30
BR9804931A (en) 1999-09-08
ES2303025T3 (en) 2008-08-01
IL128257A (en) 2006-10-05
HK1024086A1 (en) 2005-10-21
US20020144123A1 (en) 2002-10-03
JP2001507849A (en) 2001-06-12
WO1998054713A1 (en) 1998-12-03
DE69839231T2 (en) 2009-03-12
CN1606085A (en) 2005-04-13
CN1192378C (en) 2005-03-09
KR100526943B1 (en) 2005-11-09
AR009877A1 (en) 2000-05-03
CA2261899C (en) 2007-11-13
EP1519376A2 (en) 2005-03-30
EP0916134A1 (en) 1999-05-19
TW399200B (en) 2000-07-21
JP4183724B2 (en) 2008-11-19
CA2261899A1 (en) 1998-12-03
KR20000029683A (en) 2000-05-25
DE69831275T2 (en) 2006-06-01
EP1227482A3 (en) 2002-08-28
CN1236468A (en) 1999-11-24
AT388470T (en) 2008-03-15
US6353890B1 (en) 2002-03-05

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