IL128369D0 - Digital optical media authentication and copy protection method - Google Patents

Digital optical media authentication and copy protection method

Info

Publication number
IL128369D0
IL128369D0 IL12836997A IL12836997A IL128369D0 IL 128369 D0 IL128369 D0 IL 128369D0 IL 12836997 A IL12836997 A IL 12836997A IL 12836997 A IL12836997 A IL 12836997A IL 128369 D0 IL128369 D0 IL 128369D0
Authority
IL
Israel
Prior art keywords
optical media
copy protection
protection method
digital optical
media authentication
Prior art date
Application number
IL12836997A
Original Assignee
Ttr Technologies 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 US68920996A priority Critical
Priority to US3808097P priority
Application filed by Ttr Technologies Ltd filed Critical Ttr Technologies Ltd
Priority to PCT/IL1997/000266 priority patent/WO1998008180A2/en
Publication of IL128369D0 publication Critical patent/IL128369D0/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
    • G11B20/00572Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579Circuits 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 data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404Methods for optical code recognition
    • G06K7/146Methods for optical code recognition the method including quality enhancement steps
    • G06K7/1465Methods for optical code recognition the method including quality enhancement steps using several successive scans of the optical code
    • 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
    • G11B20/00123Circuits 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
    • G11B20/0021Circuits 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
    • G11B20/00572Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00586Circuits 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 physical format of the recording 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
    • G11B20/0092Circuits 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
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • 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
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • 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
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
IL12836997A 1996-08-05 1997-08-05 Digital optical media authentication and copy protection method IL128369D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US68920996A true 1996-08-05 1996-08-05
US3808097P true 1997-03-06 1997-03-06
PCT/IL1997/000266 WO1998008180A2 (en) 1996-08-05 1997-08-05 Digital optical media authentication and copy protection method

Publications (1)

Publication Number Publication Date
IL128369D0 true IL128369D0 (en) 2000-01-31

Family

ID=26714832

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12836997A IL128369D0 (en) 1996-08-05 1997-08-05 Digital optical media authentication and copy protection method

Country Status (4)

Country Link
EP (1) EP1076902A4 (en)
AU (1) AU3706197A (en)
IL (1) IL128369D0 (en)
WO (1) WO1998008180A2 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100257538B1 (en) * 1997-07-14 2000-06-01 구자홍 Method for record and protect copy of optical disc
IL122393D0 (en) * 1997-12-01 1998-06-15 Ttr Technologies Ltd A code word for use in digital optical media and a method of generation thereof
JP4147607B2 (en) * 1998-03-13 2008-09-10 松下電器産業株式会社 Auxiliary scrambling / descrambling method and apparatus
US6684199B1 (en) * 1998-05-20 2004-01-27 Recording Industry Association Of America Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same
US6029259A (en) * 1998-06-15 2000-02-22 T.T.R. Technologies Ltd. Method and system for authenticating digital optical media
KR100712429B1 (en) * 2000-04-14 2007-04-27 마크로비젼 유럽 리미티드 Prevention of cd-audio piracy using sub-code channels
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
WO2001080546A2 (en) * 1999-08-09 2001-10-25 Midbar Tech Ltd. Prevention of cd-audio piracy using sub-code channels
AU4238400A (en) * 1999-04-12 2000-11-14 Macrovision Corporation Copy protection signature for compact disks
IL131545D0 (en) * 1999-08-23 2001-01-28 Ttr Technologies Ltd Copy-protected digital audio compact disc and method and system for producing same
US6987718B2 (en) 2000-04-07 2006-01-17 Sony Dadc Austria Ag Optical disc copy prevention system
US7486790B1 (en) * 2000-06-30 2009-02-03 Verification Technologies, Inc. Method and apparatus for controlling access to storage media
US6638593B2 (en) * 2000-06-30 2003-10-28 Verification Technologies, Inc. Copy-protected optical media and method of manufacture thereof
US20050050343A1 (en) * 2000-06-30 2005-03-03 Selinfreund Richard H. Storage media access control method and system
US7149177B2 (en) 2000-07-11 2006-12-12 Matsushita Electric Industrial Co., Ltd. Information recording medium, information recording apparatus, information recording method, information reproduction apparatus and information reproduction method
ES2267865T3 (en) 2000-11-14 2007-03-16 Koninklijke Philips Electronics N.V. Filigree recording medium.
KR100886406B1 (en) * 2000-11-14 2009-03-02 코닌클리케 필립스 일렉트로닉스 엔.브이. Record carrier with watermark
AU2100602A (en) * 2000-11-27 2002-06-03 Ttr Technologies Ltd A copy protected dvd disc and method for producing and validating same
EP1346359A1 (en) * 2000-12-22 2003-09-24 Philips Electronics N.V. Reproduction arrangement, tranmission arrangement, method of forming and transmitting coded information and method of reproducing coded information
US6767695B2 (en) * 2001-01-17 2004-07-27 International Business Machines Corporation CDROM copy protection
US7324423B2 (en) * 2001-10-31 2008-01-29 Sony Corporation Data recording method recorder and data reproducing method and device
US6952479B2 (en) 2001-11-27 2005-10-04 Macrovision Europe Limited Dynamic copy protection of optical media
US7368221B2 (en) 2002-06-17 2008-05-06 Verification Technologies, Inc. Changing light absorption by disruption of conjugation
US20040083377A1 (en) * 2002-10-25 2004-04-29 General Electric Company System and method for digital storage media copy protection
AU2004211200A1 (en) * 2003-02-05 2004-08-26 Ecd Systems, Inc. Systems and methods for media authentication
CA2427023A1 (en) * 2003-04-29 2004-10-29 Iline Entertainment Inc. Method and apparatus for the protection of fixed media
US7391691B2 (en) 2003-08-29 2008-06-24 General Electric Company Method for facilitating copyright protection in digital media and digital media made thereby
US20050147379A1 (en) 2003-12-24 2005-07-07 Home Box Office, A Delaware Corporation Personalization of mass-duplicated media
WO2005071677A1 (en) * 2004-01-23 2005-08-04 Koninklijke Philips Electronics N.V. Visual watermark in both data area and inner-ring area of record carrier
US9135948B2 (en) * 2009-07-03 2015-09-15 Microsoft Technology Licensing, Llc Optical medium with added descriptor to reduce counterfeiting
CN102576570A (en) * 2009-07-17 2012-07-11 安全内容储存联合有限责任公司 Simple nonautonomous peering media clone detection

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823210A (en) * 1984-08-13 1989-04-18 Verbatim Corporation Copy protected disk
DE3587535T2 (en) * 1984-10-01 1994-01-20 Matsushita Electric Ind Co Ltd Method and apparatus for encoding numeric data.
US5231662A (en) * 1989-08-01 1993-07-27 Tulip Computers International B.V. Method and device for enciphering data to be transferred and for deciphering the enciphered data, and a computer system comprising such a device
JP2776209B2 (en) * 1993-07-22 1998-07-16 日本ビクター株式会社 Optical disc and the information recording and reproducing apparatus
TW241360B (en) * 1993-07-29 1995-02-21 Nippon Pickter Kk
US5400319A (en) * 1993-10-06 1995-03-21 Digital Audio Disc Corporation CD-ROM with machine-readable I.D. code
US5454039A (en) * 1993-12-06 1995-09-26 International Business Machines Corporation Software-efficient pseudorandom function and the use thereof for encryption
TW309612B (en) * 1994-09-22 1997-07-01 Nippon Bickter Kk
US5822291A (en) * 1995-03-23 1998-10-13 Zoom Television, Inc. Mass storage element and drive unit therefor
US5699434A (en) * 1995-12-12 1997-12-16 Hewlett-Packard Company Method of inhibiting copying of digital data

Also Published As

Publication number Publication date
EP1076902A2 (en) 2001-02-21
AU3706197A (en) 1998-03-06
EP1076902A4 (en) 2001-05-23
WO1998008180A3 (en) 1998-08-20
WO1998008180A2 (en) 1998-02-26

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