DE69834604D1 - System zum kopierschutz von aufgezeichneten signalen - Google Patents

System zum kopierschutz von aufgezeichneten signalen

Info

Publication number
DE69834604D1
DE69834604D1 DE69834604T DE69834604T DE69834604D1 DE 69834604 D1 DE69834604 D1 DE 69834604D1 DE 69834604 T DE69834604 T DE 69834604T DE 69834604 T DE69834604 T DE 69834604T DE 69834604 D1 DE69834604 D1 DE 69834604D1
Authority
DE
Germany
Prior art keywords
bit
pattern
information
copy protection
recorded signals
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.)
Expired - Fee Related
Application number
DE69834604T
Other languages
English (en)
Other versions
DE69834604T2 (de
Inventor
Paul Linnartz
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 DE69834604D1 publication Critical patent/DE69834604D1/de
Application granted granted Critical
Publication of DE69834604T2 publication Critical patent/DE69834604T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B20/00884—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; CALCULATING OR 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
DE69834604T 1997-01-27 1998-01-22 System zum kopierschutz von aufgezeichneten signalen Expired - Fee Related DE69834604T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97200165 1997-01-27
EP97200165 1997-01-27
PCT/IB1998/000085 WO1998033176A2 (en) 1997-01-27 1998-01-22 System for copy protection of recorded signals

Publications (2)

Publication Number Publication Date
DE69834604D1 true DE69834604D1 (de) 2006-06-29
DE69834604T2 DE69834604T2 (de) 2007-02-22

Family

ID=8227947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69834604T Expired - Fee Related DE69834604T2 (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)

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EP1066627B1 (de) 1999-01-27 2004-11-24 Koninklijke Philips Electronics N.V. Aufzeichnungsträger, wiedergabevorrichtung und verfahrung zum aufzeichnen von informationen
US6601046B1 (en) 1999-03-25 2003-07-29 Koninklijke Philips Electronics N.V. Usage dependent ticket to protect copy-protected material
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US7127744B2 (en) * 2000-03-10 2006-10-24 Digimarc Corporation Method and apparatus to protect media existing in an insecure format
JP2003529873A (ja) * 2000-03-30 2003-10-07 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 ２値ソース信号のビットのストリームを２値チャネル信号のビットのストリームに符号化する方法
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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
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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
EP1459254A1 (de) * 2001-12-21 2004-09-22 Koninklijke Philips Electronics N.V. Wasserzeichenintegritätserhöhung mit robusten merkmalen
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
RU2005101210A (ru) * 2002-06-20 2005-06-10 Конинклейке Филипс Электроникс Н.В. (Nl) Способ и устройство для защиты информации пользователя от манипуляций
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
KR100972831B1 (ko) * 2003-04-24 2010-07-28 엘지전자 주식회사 엔크립트된 데이터의 보호방법 및 그 재생장치
KR100974448B1 (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
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
DE602006005248D1 (de) * 2005-07-14 2009-04-02 Koninkl Philips Electronics Nv Verfahren zur dateneinbettung
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
JP4944966B2 (ja) * 2006-12-14 2012-06-06 トレデス ２０１０， ソシエダッド リミターダ デジタル画像をデジタル透かしにより印付ける方法
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

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Also Published As

Publication number Publication date
JP4046767B2 (ja) 2008-02-13
WO1998033176A2 (en) 1998-07-30
DE69834604T2 (de) 2007-02-22
AU5337598A (en) 1998-08-18
ATE327552T1 (de) 2006-06-15
KR100573627B1 (ko) 2006-11-10
CN1220756A (zh) 1999-06-23
KR20000064792A (ko) 2000-11-06
EP0902946B1 (de) 2006-05-24
WO1998033176A3 (en) 1998-10-01
TW428163B (en) 2001-04-01
US7000113B1 (en) 2006-02-14
JP2000508813A (ja) 2000-07-11
EP0902946A2 (de) 1999-03-24
CN101079295A (zh) 2007-11-28

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Legal Events

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8339 Ceased/non-payment of the annual fee