AU2002220704A1 - Record carrier with watermark - Google Patents

Record carrier with watermark

Info

Publication number
AU2002220704A1
AU2002220704A1 AU2002220704A AU2070402A AU2002220704A1 AU 2002220704 A1 AU2002220704 A1 AU 2002220704A1 AU 2002220704 A AU2002220704 A AU 2002220704A AU 2070402 A AU2070402 A AU 2070402A AU 2002220704 A1 AU2002220704 A1 AU 2002220704A1
Authority
AU
Australia
Prior art keywords
watermark
record carrier
record
carrier
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.)
Abandoned
Application number
AU2002220704A
Inventor
Engelbertus P. G. M. Kramer
Antonius J. J. Werner
Gertjan Yntema
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2002220704A1 publication Critical patent/AU2002220704A1/en
Abandoned 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
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579—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 data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
    • 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/40—Identifying or analogous means applied to or incorporated in the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader, photograph
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • 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
    • 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
    • G11B2020/1465—8 to 16 modulation, e.g. the EFM+ code used on DVDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Television Signal Processing For Recording (AREA)
AU2002220704A 2000-11-14 2001-11-12 Record carrier with watermark Abandoned AU2002220704A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP00203980 2000-11-14
EP00203980 2000-11-14
EP01203247 2001-08-28
EP01203247 2001-08-28
PCT/EP2001/013157 WO2002041316A1 (en) 2000-11-14 2001-11-12 Record carrier with watermark

Publications (1)

Publication Number Publication Date
AU2002220704A1 true AU2002220704A1 (en) 2002-05-27

Family

ID=26072850

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002220704A Abandoned AU2002220704A1 (en) 2000-11-14 2001-11-12 Record carrier with watermark

Country Status (14)

Country Link
US (2) US7263201B2 (en)
EP (2) EP1710796A1 (en)
JP (1) JP4658448B2 (en)
KR (1) KR100886406B1 (en)
CN (2) CN1747038B (en)
AR (2) AR033590A1 (en)
AT (1) ATE333135T1 (en)
AU (1) AU2002220704A1 (en)
BR (1) BR0107606A (en)
CA (1) CA2397242A1 (en)
DE (1) DE60121463T2 (en)
ES (1) ES2267865T3 (en)
TW (1) TW584837B (en)
WO (1) WO2002041316A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2397242A1 (en) 2000-11-14 2002-05-23 Koninklijke Philips Electronics N.V. Record carrier with watermark
EP1561212B1 (en) 2002-11-06 2011-04-06 Koninklijke Philips Electronics N.V. Record carrier
AU2003269343A1 (en) 2002-11-06 2004-06-07 Koninklijke Philips Electronics N.V. Method for writing a label on an optical disc
WO2005022524A2 (en) * 2003-08-26 2005-03-10 Communication Synergy Technologies Llc Content preservation
KR20070006700A (en) 2004-01-23 2007-01-11 코닌클리케 필립스 일렉트로닉스 엔.브이. Visual watermark in both data area and inner-ring area of record carrier
US7639271B2 (en) * 2004-04-30 2009-12-29 Hewlett-Packard Development Company, L.P. Labeling an optical disc
JP2008520055A (en) * 2004-11-09 2008-06-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Manufacture of record carriers suitable for post-recording
CN100386806C (en) * 2006-05-24 2008-05-07 华韵影视光盘有限责任公司 Optical disk with anti-fake mark in information zone and its producing method
WO2007145622A1 (en) * 2006-06-12 2007-12-21 Thomson Licensing Method and apparatus for embedding second code into optical disc data by data modulation rule variation
MX2008016030A (en) * 2006-06-15 2009-01-15 Thomson Licensing Disc authentication by grayscale image.
CN101578661A (en) * 2006-12-20 2009-11-11 皇家飞利浦电子股份有限公司 An optical disc comprising a watermark and a method and recorder for recording such a disc
US20090116356A1 (en) * 2007-08-07 2009-05-07 Lite-On It Corporation Method for recording a visually detectable pattern on an optical record carrier, apparatus for recording a visually detectable pattern on a record carrier and instruction to be executed by the apparatus
JP2010538404A (en) * 2007-08-31 2010-12-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Optical disc with watermark and method and recording apparatus for recording on such optical disc
US8259550B2 (en) * 2008-09-16 2012-09-04 Lite-On It Corporation Record carrier as well as an apparatus and method for applying image data as a visually detectable pattern at an optical record carrier

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501000A (en) 1981-07-27 1985-02-19 Sony Corporation Method of coding binary data
JP2852181B2 (en) 1993-09-07 1999-01-27 株式会社日立製作所 Information recording medium and optical disk
JP3666193B2 (en) 1993-09-07 2005-06-29 株式会社日立製作所 Optical disk playback device
DE69422870T2 (en) * 1993-09-07 2000-10-05 Hitachi Ltd Information recording media, optical disks and playback system
US6122403A (en) * 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
DE69505794T2 (en) 1994-02-15 1999-06-02 Koninkl Philips Electronics Nv METHOD FOR CONVERTING M-BIT INFORMATION WORDS INTO A MODULATED SIGNAL, METHOD FOR PRODUCING A RECORDING CARRIER, ENCODING, DECODING, RECORDING AND READING DEVICE AND RECORDING CARRIER
JPH07320274A (en) 1994-05-20 1995-12-08 Hitachi Ltd Medium and method for information recording
JPH08194972A (en) * 1995-01-12 1996-07-30 Pioneer Video Corp Optical disc and production thereof
KR0165441B1 (en) 1995-09-18 1999-03-20 김광호 Digital data channel encoding and decoding method and its apparatus
US6088323A (en) * 1996-07-16 2000-07-11 Sony Corporation Optical disk, optical disk device, and optical disk recording method
IL128369A0 (en) * 1996-08-05 2000-01-31 Ttr Technologies Ltd Digital optical media authentication and copy protection method
EP0854482B1 (en) 1997-01-16 2004-03-31 SGS-THOMSON MICROELECTRONICS S.r.l. System for decoding the EFM and EFM-PLUS format in optical disc (CD and DVD) read units and corresponding method of decoding
US6311305B1 (en) * 1997-03-06 2001-10-30 T.T.R. Technologies Ltd. Method and system for overriding error correction
JPH10329460A (en) 1997-05-28 1998-12-15 Nippon Conlux Co Ltd Photocard and photocard reader/writer
US6646967B1 (en) * 1997-08-12 2003-11-11 Denon Digital Llc Method for making copy protected optical discs
US6278807B1 (en) * 1997-11-13 2001-08-21 Kabushiki Kaisha Toshiba Data recording/reproducing apparatus, data recording/reproducing method applied to the apparatus, and computer program product used in data processing apparatus
JP3155499B2 (en) * 1997-11-26 2001-04-09 インターナショナル・ビジネス・マシーンズ・コーポレ−ション Optical disk bit conversion method, demodulation method and apparatus
JPH11339374A (en) * 1998-05-26 1999-12-10 Yamaha Corp Digital recording device
EP1626407A2 (en) * 1998-08-10 2006-02-15 OVD Kinegram AG Diffractive security device on compact discs
JP4265002B2 (en) * 1998-10-02 2009-05-20 ソニー株式会社 Optical information recording apparatus and optical information recording method
JP2000215107A (en) 1999-01-25 2000-08-04 Sony Corp Data recording device, data reproducing device, and record medium
JP2000285612A (en) 1999-01-28 2000-10-13 Victor Co Of Japan Ltd Data decoder and data decoding method
JP2000286709A (en) 1999-01-29 2000-10-13 Victor Co Of Japan Ltd Modulation method, modulation device, demodulation method, demodulation device and recording medium
EP1082721B1 (en) * 1999-03-23 2003-07-30 Koninklijke Philips Electronics N.V. Method of decoding a stream of channel bits of a signal relating to a binary channel signal into a stream of source bits of a signal relating to a binary source signal
JP2000276777A (en) * 1999-03-25 2000-10-06 Victor Co Of Japan Ltd Optical recording medium
AU4238400A (en) * 1999-04-12 2000-11-14 Macrovision Corporation Copy protection signature for compact disks
IL129725A (en) * 1999-05-02 2011-06-30 Nds Ltd Watermark system
US6263923B1 (en) * 1999-05-28 2001-07-24 James A. Castillo Device for maintaining separate ingredients in liquid food products
US6735160B1 (en) * 1999-07-07 2004-05-11 Matsushita Electric Industrial Co., Ltd. Optical disc, and recording apparatus, recording method, and reproducing apparatus for the same
US20020001277A1 (en) * 2000-03-28 2002-01-03 Thomas Keith E. Method for encoding and recording non-audio data on a compact disc
US6423478B1 (en) * 2000-04-05 2002-07-23 Eastman Kodak Company Method of forming a watermark image in a hybrid optical master disc
CN1224970C (en) * 2000-08-14 2005-10-26 皇家菲利浦电子有限公司 Method of device for adding or extracting a secondary information signal to/from a RLL code sequence
US6356517B1 (en) * 2000-10-27 2002-03-12 Job Tien-Chiang Liu Optical disc with a control chip
CA2397242A1 (en) 2000-11-14 2002-05-23 Koninklijke Philips Electronics N.V. Record carrier with watermark
US20020146147A1 (en) * 2001-04-06 2002-10-10 Levy Kenneth L. Digitally watermarking physical media

Also Published As

Publication number Publication date
BR0107606A (en) 2002-10-15
TW584837B (en) 2004-04-21
CA2397242A1 (en) 2002-05-23
US7801327B2 (en) 2010-09-21
US7263201B2 (en) 2007-08-28
US20070291981A1 (en) 2007-12-20
EP1338010B1 (en) 2006-07-12
WO2002041316A1 (en) 2002-05-23
KR20020071941A (en) 2002-09-13
KR100886406B1 (en) 2009-03-02
ES2267865T3 (en) 2007-03-16
EP1710796A1 (en) 2006-10-11
DE60121463T2 (en) 2007-02-15
DE60121463D1 (en) 2006-08-24
AR033590A1 (en) 2003-12-26
CN1747038B (en) 2011-10-19
US20030172276A1 (en) 2003-09-11
AR061934A2 (en) 2008-10-01
CN1284169C (en) 2006-11-08
JP4658448B2 (en) 2011-03-23
CN1747038A (en) 2006-03-15
JP2004514236A (en) 2004-05-13
CN1416570A (en) 2003-05-07
ATE333135T1 (en) 2006-08-15
EP1338010A1 (en) 2003-08-27

Similar Documents

Publication Publication Date Title
AU2001255745A1 (en) Information retrieval
EP1310918A3 (en) Recording banknotes
AU2001284668A1 (en) Carrier tape
AU2001273346A1 (en) Multi-carrier watermarks
EP1215910A3 (en) Watermarking
AU2002220704A1 (en) Record carrier with watermark
AU1649401A (en) Recorder
AU6734200A (en) Recording device
AU2001243394A1 (en) Compounds and methods
AU2002258089A1 (en) Record carrier with hidden channel
AU2876501A (en) Data handling
AU5836601A (en) Information carrier and devices for scanning the information carrier
AU2001222141A1 (en) Seismic data acquisition
AUPR197400A0 (en) Data storage
AU2001266176A1 (en) Methods
AU3423001A (en) Recording device
AU2001250536A1 (en) Methods
AUPQ678000A0 (en) Electronic record system
AU2000256081A1 (en) Digital media receipt
AU2001248746A1 (en) Information providing device
AU2000279670A1 (en) Bind carrier
AU6330000A (en) Information carrier
AUPQ833500A0 (en) Business directory
AU4667801A (en) Methods
AU2001284215A1 (en) Methods