DE69829598D1 - Vervielfältigungskontrolle eines Informationssignals - Google Patents

Vervielfältigungskontrolle eines Informationssignals

Info

Publication number
DE69829598D1
DE69829598D1 DE69829598T DE69829598T DE69829598D1 DE 69829598 D1 DE69829598 D1 DE 69829598D1 DE 69829598 T DE69829598 T DE 69829598T DE 69829598 T DE69829598 T DE 69829598T DE 69829598 D1 DE69829598 D1 DE 69829598D1
Authority
DE
Germany
Prior art keywords
information signal
duplication control
duplication
control
information
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 - Lifetime
Application number
DE69829598T
Other languages
English (en)
Other versions
DE69829598T2 (de
Inventor
Akira Ogino
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of DE69829598D1 publication Critical patent/DE69829598D1/de
Application granted granted Critical
Publication of DE69829598T2 publication Critical patent/DE69829598T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B20/00913—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 based on a spread spectrum technique
    • 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
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • 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
    • 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
    • H04N2005/91321—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 copy protection control signal, e.g. a record inhibit signal
    • 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
    • H04N2005/91328—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 copy management signal, e.g. a copy generation management signal [CGMS]
    • 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
    • H04N2005/9135—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal by superimposing the spectrally spread copy protection signal onto the video signal
    • 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
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91371—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video color burst signal being modified

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69829598T 1997-01-23 1998-01-22 Vervielfältigungskontrolle eines Informationssignals Expired - Lifetime DE69829598T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP01021297A JP3901268B2 (ja) 1997-01-23 1997-01-23 情報信号出力制御装置、情報信号出力制御方法、情報信号複製防止装置および情報信号複製防止方法
JP1021297 1997-01-23

Publications (2)

Publication Number Publication Date
DE69829598D1 true DE69829598D1 (de) 2005-05-12
DE69829598T2 DE69829598T2 (de) 2006-02-09

Family

ID=11743970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69829598T Expired - Lifetime DE69829598T2 (de) 1997-01-23 1998-01-22 Vervielfältigungskontrolle eines Informationssignals

Country Status (7)

Country Link
US (3) US6449425B1 (de)
EP (1) EP0855837B1 (de)
JP (1) JP3901268B2 (de)
KR (1) KR100636334B1 (de)
CA (1) CA2227380A1 (de)
DE (1) DE69829598T2 (de)
TW (1) TW388181B (de)

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US6611607B1 (en) * 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US6983051B1 (en) * 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US7676059B2 (en) * 1994-10-21 2010-03-09 Digimarc Corporation Video steganography or encoding
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
US7805500B2 (en) 1995-05-08 2010-09-28 Digimarc Corporation Network linking methods and apparatus
US7224819B2 (en) 1995-05-08 2007-05-29 Digimarc Corporation Integrating digital watermarks in multimedia content
US7711564B2 (en) 1995-07-27 2010-05-04 Digimarc Corporation Connected audio and other media objects
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
US7562392B1 (en) 1999-05-19 2009-07-14 Digimarc Corporation Methods of interacting with audio and ambient music
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US6505160B1 (en) * 1995-07-27 2003-01-07 Digimarc Corporation Connected audio and other media objects
US6356704B1 (en) 1997-06-16 2002-03-12 Ati Technologies, Inc. Method and apparatus for detecting protection of audio and video signals
TW398116B (en) * 1997-09-01 2000-07-11 Sony Corp Method and apparatus for detecting spectrum spread signals
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
US7689532B1 (en) 2000-07-20 2010-03-30 Digimarc Corporation Using embedded data with file sharing
JP4069339B2 (ja) * 1998-10-16 2008-04-02 ソニー株式会社 信号変換装置および信号変換方法
CA2288366A1 (en) * 1998-11-05 2000-05-05 Akira Ogino Additional information transmission method, additional information transmission system, information signal output apparatus, information signal processing apparatus, information signal recording apparatus and information signal recording medium
US20050160271A9 (en) 1998-11-19 2005-07-21 Brundage Trent J. Identification document and related methods
JP4356178B2 (ja) * 1999-03-09 2009-11-04 ソニー株式会社 再生装置
US6847949B1 (en) * 1999-05-10 2005-01-25 Koninklijke Philips Electronics N.V. Indicator system for screening protected material
KR100530172B1 (ko) * 1999-03-30 2005-11-22 삼성전자주식회사 암호화방식을 이용한 광디스크 기록재생방법 및 장치
US8874244B2 (en) 1999-05-19 2014-10-28 Digimarc Corporation Methods and systems employing digital content
US6690880B1 (en) * 1999-05-21 2004-02-10 Ati International, Srl Method and apparatus for copy protection detection in a video signal
US6678465B1 (en) * 1999-06-18 2004-01-13 Ati International, Srl Method and apparatus for restricting a video output of a computing system based on copy protection information
JP2001036723A (ja) * 1999-07-16 2001-02-09 Sony Corp 著作権保護方法、情報信号伝送システム、情報信号出力装置、情報信号受信装置および情報信号記録媒体
US6986048B1 (en) 2000-01-24 2006-01-10 Koninklijke Philips Electronics N.V. Protecting content from illicit reproduction by proof of existence of a complete data set using security identifiers
JP3728621B2 (ja) 2000-02-10 2005-12-21 松下電器産業株式会社 デジタルデータのコピー制御方法及び再生装置
US7127744B2 (en) 2000-03-10 2006-10-24 Digimarc Corporation Method and apparatus to protect media existing in an insecure format
JP2001297182A (ja) * 2000-04-14 2001-10-26 Matsushita Electric Works Ltd 通信ウエブを利用した住宅向け営業支援システム
US8121843B2 (en) 2000-05-02 2012-02-21 Digimarc Corporation Fingerprint methods and systems for media signals
JP3573685B2 (ja) * 2000-05-19 2004-10-06 松下電器産業株式会社 再生記録装置
JP3646631B2 (ja) 2000-08-04 2005-05-11 ヤマハ株式会社 電子機器
US7017045B1 (en) * 2000-08-22 2006-03-21 Koninklijke Philips Electronics N.V. Multimedia watermarking system and method
US7266704B2 (en) 2000-12-18 2007-09-04 Digimarc Corporation User-friendly rights management systems and methods
JP2002251494A (ja) * 2000-12-20 2002-09-06 Victor Co Of Japan Ltd デジタルコンテンツデータ配信システム
JP2002268949A (ja) * 2001-03-12 2002-09-20 Pioneer Electronic Corp 複製管理方法、複製管理装置、記録媒体およびプログラム
US7248715B2 (en) * 2001-04-06 2007-07-24 Digimarc Corporation Digitally watermarking physical media
US7046819B2 (en) 2001-04-25 2006-05-16 Digimarc Corporation Encoded reference signal for digital watermarks
KR20030003998A (ko) * 2001-07-04 2003-01-14 장용 Cd,dvd 불법복제/설치방지시스템
WO2003046908A2 (en) * 2001-11-27 2003-06-05 Matsushita Electric Industrial Co., Ltd. Recording medium and copy apparatus
US7974495B2 (en) * 2002-06-10 2011-07-05 Digimarc Corporation Identification and protection of video
US7167209B2 (en) * 2003-02-07 2007-01-23 Warner Bros. Entertainment, Inc. Methods for encoding data in an analog video signal such that it survives resolution conversion
JP4370800B2 (ja) * 2003-04-21 2009-11-25 ヤマハ株式会社 音楽コンテンツ利用装置及びプログラム
US7865057B2 (en) * 2003-10-07 2011-01-04 Rovi Solutions Corporation Method and apparatus for conveying rights across an analog video interface
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JP4283210B2 (ja) * 2004-11-30 2009-06-24 パナソニック株式会社 コンテンツ管理装置、コンテンツ管理方法、集積回路およびプログラム
JP4415904B2 (ja) * 2005-05-31 2010-02-17 船井電機株式会社 動画像処理装置
JP2006338704A (ja) * 2005-05-31 2006-12-14 Funai Electric Co Ltd 動画像処理装置
US20070033408A1 (en) * 2005-08-08 2007-02-08 Widevine Technologies, Inc. Preventing illegal distribution of copy protected content
US20070162761A1 (en) 2005-12-23 2007-07-12 Davis Bruce L Methods and Systems to Help Detect Identity Fraud
US8707459B2 (en) 2007-01-19 2014-04-22 Digimarc Corporation Determination of originality of content
US8010511B2 (en) 2006-08-29 2011-08-30 Attributor Corporation Content monitoring and compliance enforcement
US8301658B2 (en) * 2006-11-03 2012-10-30 Google Inc. Site directed management of audio components of uploaded video files
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US8611422B1 (en) 2007-06-19 2013-12-17 Google Inc. Endpoint based video fingerprinting
US8254470B2 (en) 2008-06-03 2012-08-28 Rovi Solutions Corporation Encoding and decoding of embedded data stream in analog video using copy protection pulses
US9633014B2 (en) * 2009-04-08 2017-04-25 Google Inc. Policy based video content syndication
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Also Published As

Publication number Publication date
KR100636334B1 (ko) 2007-01-18
KR19980070576A (ko) 1998-10-26
EP0855837A2 (de) 1998-07-29
TW388181B (en) 2000-04-21
US20010046101A1 (en) 2001-11-29
US6433946B2 (en) 2002-08-13
CA2227380A1 (en) 1998-07-23
JP3901268B2 (ja) 2007-04-04
US6449425B1 (en) 2002-09-10
JPH10210436A (ja) 1998-08-07
US20010010756A1 (en) 2001-08-02
EP0855837B1 (de) 2005-04-06
DE69829598T2 (de) 2006-02-09
EP0855837A3 (de) 1999-03-03

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