ATE327552T1 - System zum kopierschutz von aufgezeichneten signalen - Google Patents

System zum kopierschutz von aufgezeichneten signalen

Info

Publication number
ATE327552T1
ATE327552T1 AT98900142T AT98900142T ATE327552T1 AT E327552 T1 ATE327552 T1 AT E327552T1 AT 98900142 T AT98900142 T AT 98900142T AT 98900142 T AT98900142 T AT 98900142T AT E327552 T1 ATE327552 T1 AT E327552T1
Authority
AT
Austria
Prior art keywords
bit
pattern
information
copy protection
recorded signals
Prior art date
Application number
AT98900142T
Other languages
English (en)
Inventor
Johan Paul Marie Gera Linnartz
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE327552T1 publication Critical patent/ATE327552T1/de

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
    • G11B20/00884—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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • 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
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Storage Device Security (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Liquid Developers In Electrophotography (AREA)
AT98900142T 1997-01-27 1998-01-22 System zum kopierschutz von aufgezeichneten signalen ATE327552T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97200165 1997-01-27

Publications (1)

Publication Number Publication Date
ATE327552T1 true ATE327552T1 (de) 2006-06-15

Family

ID=8227947

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98900142T ATE327552T1 (de) 1997-01-27 1998-01-22 System zum kopierschutz von aufgezeichneten signalen

Country Status (10)

Country Link
US (1) US7000113B1 (de)
EP (1) EP0902946B1 (de)
JP (1) JP4046767B2 (de)
KR (1) KR100573627B1 (de)
CN (2) CN1220756A (de)
AT (1) ATE327552T1 (de)
AU (1) AU5337598A (de)
DE (1) DE69834604T2 (de)
TW (1) TW428163B (de)
WO (1) WO1998033176A2 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6233684B1 (en) * 1997-02-28 2001-05-15 Contenaguard Holdings, Inc. System for controlling the distribution and use of rendered digital works through watermaking
JP3103061B2 (ja) * 1997-09-12 2000-10-23 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 トークン作成装置および該トークンを用いたデータ制御システム
JP3890737B2 (ja) * 1998-04-14 2007-03-07 株式会社日立製作所 ディジタル映像信号または音声信号の再生装置及び再生方法
US7336712B1 (en) * 1998-09-02 2008-02-26 Koninklijke Philips Electronics N.V. Video signal transmission
FR2783658B1 (fr) * 1998-09-23 2000-10-13 Thomson Multimedia Sa Protection contre la copie de donnees numeriques stockees sur un support d'informations
ID26575A (id) * 1999-01-13 2001-01-18 Koninkl Philips Electronics Nv Menyimpan data tambahan dalam satu sinyal yang diberi kode
BR0017457B1 (pt) 1999-01-27 2015-01-13 Koninkl Philips Electronics Nv Portador de gravação e dispositivo de reprodução
US6601046B1 (en) 1999-03-25 2003-07-29 Koninklijke Philips Electronics N.V. Usage dependent ticket to protect copy-protected material
IL145662A0 (en) * 2000-02-01 2002-06-30 Koninkl Philips Electronics Nv Protecting content from illicit reproduction by proof of existence of a complete data
US7127744B2 (en) * 2000-03-10 2006-10-24 Digimarc Corporation Method and apparatus to protect media existing in an insecure format
KR20020020899A (ko) * 2000-03-30 2002-03-16 요트.게.아. 롤페즈 이진 소스신호의 복수의 비트의 스트림을 이진 채널신호의복수의 비트의 스트림으로 인코딩하는 방법
JP2002057997A (ja) * 2000-06-01 2002-02-22 Sony Corp コンテンツデータ、データ記録媒体、データ記録方法及び装置、データ再生方法及び装置、データ送信方法及び装置、データ受信方法及び装置
KR100809973B1 (ko) * 2000-07-07 2008-03-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록매체, 재생장치 및 기록매체와 재생장치를 구비한정보 시스템
JP4595182B2 (ja) * 2000-09-07 2010-12-08 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
EP1207527A1 (de) * 2000-11-17 2002-05-22 Deutsche Thomson-Brandt Gmbh Verfahren und Gerät zur Feststellung Hauptparameterwerte eines Speichermediums, die zur Wiedergabe des Speichermediums benötigt werden
US7003046B2 (en) * 2000-12-28 2006-02-21 Victor Company Of Japan, Ltd. Modulation system
US7509682B2 (en) * 2001-02-05 2009-03-24 Lg Electronics Inc. Copy protection method and system for digital media
US7506376B2 (en) * 2001-02-05 2009-03-17 Lg Electronics Inc. Copy protection method for digital media
KR100493311B1 (ko) * 2001-02-21 2005-06-07 엘지전자 주식회사 디지털 미디어의 복제 제어를 위한 워터마크기반 복제관리 시스템 및 방법
US7043051B2 (en) 2001-02-21 2006-05-09 Lg Electronics Inc. Proprietary watermark system for secure digital media and content distribution
US7058201B2 (en) 2001-03-28 2006-06-06 Lg Electronics Inc. Method of embedding watermark into digital image
GB2374718A (en) * 2001-04-11 2002-10-23 Hewlett Packard Co Data authentication
KR100493284B1 (ko) 2001-05-11 2005-06-03 엘지전자 주식회사 디지털 미디어의 복제 제어 방법 및 시스템
JP4934923B2 (ja) * 2001-08-09 2012-05-23 ソニー株式会社 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにコンピュータ・プログラム
JP3832289B2 (ja) * 2001-08-20 2006-10-11 ソニー株式会社 情報記録装置、ビデオ信号出力装置、ストリーム出力方法、プログラム、記録媒体、およびデータ構造
WO2003023777A1 (en) * 2001-09-05 2003-03-20 Koninklijke Philips Electronics N.V. A robust watermark for dsd signals
WO2003025930A1 (en) * 2001-09-14 2003-03-27 Sony Corporation Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus
KR100415486B1 (ko) * 2001-10-06 2004-01-24 주식회사 마크애니 워터마크를 삽입하는 방법 및 장치, 및 이를 이용하여제작된 디지털 컨텐츠의 복사, 재생을 제어하는 방법 및장치
US7372964B2 (en) * 2001-10-10 2008-05-13 Kabushiki Kaisha Toshiba Method and apparatus for recording information including secret information and method and apparatus for reproduction thereof
KR20040070267A (ko) * 2001-12-21 2004-08-06 코닌클리케 필립스 일렉트로닉스 엔.브이. 로버스트 특징들을 사용하는 워터마크들의 무결성 강화
US7231061B2 (en) * 2002-01-22 2007-06-12 Digimarc Corporation Adaptive prediction filtering for digital watermarking
WO2003083857A1 (en) * 2002-03-28 2003-10-09 Koninklijke Philips Electronics N.V. Decoding of watermarked information signals
MXPA04012735A (es) * 2002-06-20 2005-03-23 Koninkl Philips Electronics Nv Metodo y dispositivo para proteger informacion del usuario contra manipulaciones.
JP3813549B2 (ja) * 2002-06-28 2006-08-23 株式会社東芝 復元方法及び復元システム
JP2004054710A (ja) * 2002-07-22 2004-02-19 Sony Corp 情報処理装置、情報処理方法および情報処理システム
CH695718A5 (fr) * 2002-09-20 2006-07-31 Alpvision Sa Procédé de génération et d'application sur un support d'un marquage spatial numérique.
KR100974449B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR20040092649A (ko) * 2003-04-24 2004-11-04 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100974448B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100972831B1 (ko) * 2003-04-24 2010-07-28 엘지전자 주식회사 엔크립트된 데이터의 보호방법 및 그 재생장치
JP4247057B2 (ja) 2003-06-30 2009-04-02 パイオニア株式会社 情報記録媒体、情報再生装置及び情報再生方法
JP4556395B2 (ja) * 2003-08-28 2010-10-06 ソニー株式会社 コンテンツ識別方法及びコンテンツ識別システム
US9342662B2 (en) * 2003-09-16 2016-05-17 Media Rights Technologies, Inc. Method and system for controlling video media
WO2005057356A2 (en) * 2003-12-05 2005-06-23 Motion Picture Association Of America System and method for controlling display of copy-never content
DE102005000796A1 (de) 2005-01-05 2006-07-13 Giesecke & Devrient Gmbh Tragbarer Datenträger mit Wasserzeichen-Funktionalität
TW200629244A (en) * 2005-02-02 2006-08-16 Ulead Systems Inc Medium content protection method
JP2009501477A (ja) * 2005-07-14 2009-01-15 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 データを埋め込む方法
TWI288892B (en) * 2005-12-28 2007-10-21 Inst Information Industry Content protection method for vector graph format
US8249350B2 (en) * 2006-06-30 2012-08-21 University Of Geneva Brand protection and product autentication using portable devices
ES2583927T3 (es) * 2006-12-14 2016-09-22 Tredess 2010, S.L. Método de marcado de un documento digital
JP5476754B2 (ja) * 2008-04-09 2014-04-23 ソニー株式会社 暗号化ストリーム処理回路および暗号化ストリーム処理方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644493A (en) * 1984-09-14 1987-02-17 International Business Machines Corporation Implementing a shared higher level of privilege on personal computers for copy protection of software
US4743490A (en) * 1986-02-24 1988-05-10 Minnesota Mining And Manufacturing Company Counterfeit-resistant magnetic recording tape
EP0930614B1 (de) * 1991-12-02 2004-03-31 Philips Electronics N.V. Geschlossenes Informationssystem mit Kopierschutz
DE69233335T2 (de) 1991-12-02 2005-02-10 Koninklijke Philips Electronics N.V. Geschlossenes Informationssystem mit Kopierschutz
US5319735A (en) * 1991-12-17 1994-06-07 Bolt Beranek And Newman Inc. Embedded signalling
GB2268906A (en) * 1992-07-24 1994-01-26 Portals Ltd Counterfeit protection for documents using optical effects of liquid crystal
JP3217137B2 (ja) * 1992-07-28 2001-10-09 株式会社日立製作所 映像信号記録装置、再生装置及び伝送装置
DE4311683C2 (de) * 1993-04-08 1996-05-02 Sonopress Prod Plattenförmiger optischer Speicher und Verfahren zu dessen Herstellung
US5412718A (en) * 1993-09-13 1995-05-02 Institute Of Systems Science Method for utilizing medium nonuniformities to minimize unauthorized duplication of digital information
US5434917A (en) * 1993-10-13 1995-07-18 Thomson Consumer Electronics S.A. Unforgeable identification device, identification device reader and method of identification
KR100518470B1 (ko) 1993-12-23 2005-12-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 적응성디더감산,숨겨진채널비트삽입및필터링을통한다중비트코드화디지탈음향의엔코딩방법및장치와,이방법과함께사용하기위한엔코딩및디코딩장치
US5495466A (en) * 1994-01-10 1996-02-27 Eastman Kodak Company Write verification in an optical recording system by sensing mark formation while writing
US5607188A (en) * 1994-06-24 1997-03-04 Imation Corp. Marking of optical disc for customized identification
US5574787A (en) * 1994-07-25 1996-11-12 Ryan; John O. Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
EP1480204B1 (de) * 1994-11-17 2007-09-26 Matsushita Electric Industrial Co., Ltd. Optische Platte, Verfahren zur Herstellung einer optischen Platte und Wiedergabegerät
EP0766468B1 (de) * 1995-09-28 2006-05-03 Nec Corporation Verfahren und Vorrichtung zum Einfügen eines Spreizspektrumwasserzeichens in Multimediadaten
WO1997013248A1 (en) * 1995-10-04 1997-04-10 Philips Electronics N.V. Marking a digitally encoded video and/or audio signal
US6205249B1 (en) * 1998-04-02 2001-03-20 Scott A. Moskowitz Multiple transform utilization and applications for secure digital watermarking
US5809006A (en) * 1996-05-31 1998-09-15 Cagent Technologies, Inc. Optical disk with copy protection, and apparatus and method for recording and reproducing same
US5946286A (en) * 1997-03-20 1999-08-31 Imation Corp. Customized graphics for dual layer optical discs

Also Published As

Publication number Publication date
CN1220756A (zh) 1999-06-23
TW428163B (en) 2001-04-01
EP0902946A2 (de) 1999-03-24
DE69834604T2 (de) 2007-02-22
WO1998033176A3 (en) 1998-10-01
AU5337598A (en) 1998-08-18
CN101079295A (zh) 2007-11-28
JP2000508813A (ja) 2000-07-11
KR20000064792A (ko) 2000-11-06
US7000113B1 (en) 2006-02-14
DE69834604D1 (de) 2006-06-29
KR100573627B1 (ko) 2006-11-10
EP0902946B1 (de) 2006-05-24
WO1998033176A2 (en) 1998-07-30
JP4046767B2 (ja) 2008-02-13

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