DE69919635D1 - Aufzeichnungs- und Wiedergabesystem, Aufzeichnungs- und Wiedergabegerät mit Kopierschutzfunktion - Google Patents

Aufzeichnungs- und Wiedergabesystem, Aufzeichnungs- und Wiedergabegerät mit Kopierschutzfunktion

Info

Publication number
DE69919635D1
DE69919635D1 DE69919635T DE69919635T DE69919635D1 DE 69919635 D1 DE69919635 D1 DE 69919635D1 DE 69919635 T DE69919635 T DE 69919635T DE 69919635 T DE69919635 T DE 69919635T DE 69919635 D1 DE69919635 D1 DE 69919635D1
Authority
DE
Germany
Prior art keywords
recording
protection function
playback
copy protection
playback device
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
DE69919635T
Other languages
English (en)
Other versions
DE69919635T2 (de
Inventor
Kazuo Kuroda
Toshio Suzuki
Yoshiaki Moriyama
Kazumi Sugaya
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE69919635D1 publication Critical patent/DE69919635D1/de
Publication of DE69919635T2 publication Critical patent/DE69919635T2/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
    • G11B20/00731—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
    • 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
    • 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
    • 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
    • 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
    • H04N2005/91335—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
    • 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
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
  • Storage Device Security (AREA)
DE69919635T 1998-07-03 1999-07-02 Aufzeichnungs- und Wiedergabesystem, Aufzeichnungs- und Wiedergabegerät mit Kopierschutzfunktion Expired - Lifetime DE69919635T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20432898 1998-07-03
JP20432898A JP4208998B2 (ja) 1998-07-03 1998-07-03 複製制限機能を備えた記録再生システム、記録装置および再生装置

Publications (2)

Publication Number Publication Date
DE69919635D1 true DE69919635D1 (de) 2004-09-30
DE69919635T2 DE69919635T2 (de) 2005-09-15

Family

ID=16488683

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69923241T Expired - Lifetime DE69923241T2 (de) 1998-07-03 1999-07-02 Aufzeichnungs- und Wiedergabesystem, Aufzeichnungs- und Wiedergabegerät mit Kopierschutzfunktion
DE69919635T Expired - Lifetime DE69919635T2 (de) 1998-07-03 1999-07-02 Aufzeichnungs- und Wiedergabesystem, Aufzeichnungs- und Wiedergabegerät mit Kopierschutzfunktion

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69923241T Expired - Lifetime DE69923241T2 (de) 1998-07-03 1999-07-02 Aufzeichnungs- und Wiedergabesystem, Aufzeichnungs- und Wiedergabegerät mit Kopierschutzfunktion

Country Status (6)

Country Link
US (1) US6633723B1 (de)
EP (2) EP0969462B1 (de)
JP (1) JP4208998B2 (de)
CN (1) CN1210708C (de)
DE (2) DE69923241T2 (de)
HK (1) HK1026050A1 (de)

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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
JP3496613B2 (ja) 2000-02-10 2004-02-16 日本電気株式会社 デジタルコンテンツのコピー制御方法及び装置
US7127744B2 (en) 2000-03-10 2006-10-24 Digimarc Corporation Method and apparatus to protect media existing in an insecure format
CN1249713C (zh) * 2000-03-31 2006-04-05 汤姆森许可贸易公司 读、记录和恢复数字数据复制保护系统中数字数据的设备
JP2001292431A (ja) * 2000-04-04 2001-10-19 Sony Corp 送信装置及び信号送信方法
CN1293758C (zh) 2000-04-04 2007-01-03 索尼公司 数据分配系统及方法、数据接收装置及发送装置
JP3573685B2 (ja) 2000-05-19 2004-10-06 松下電器産業株式会社 再生記録装置
JP2001344894A (ja) * 2000-05-31 2001-12-14 Sony Corp 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
JP4649760B2 (ja) * 2000-05-31 2011-03-16 ソニー株式会社 コンテンツ・コピー管理システム及び方法、情報処理装置及び方法、並びに、記憶媒体
JP4596198B2 (ja) * 2000-08-25 2010-12-08 ソニー株式会社 情報処理装置および方法、並びに記録媒体
JP4269501B2 (ja) * 2000-09-07 2009-05-27 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
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JP4420571B2 (ja) * 2001-02-22 2010-02-24 ソニー株式会社 送信装置および方法、受信装置および方法、情報送受信システムおよび方法、記録媒体、並びにプログラム
JP3519691B2 (ja) * 2001-02-26 2004-04-19 株式会社東芝 制限情報の整合処理機能付き情報録再装置および方法
JP4317667B2 (ja) 2001-03-07 2009-08-19 パイオニア株式会社 複製管理方法、複製管理装置及びプログラム
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KR100608573B1 (ko) * 2003-05-20 2006-08-03 삼성전자주식회사 데이터 복제방지 장치와 시스템 및 복제방지 방법
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KR20050055547A (ko) * 2003-12-08 2005-06-13 삼성전자주식회사 복사 제어 정보를 이용한 암호화된 데이터의 복호화 방법및 그 장치와, 이를 구현하기 위한 프로그램이 기록된컴퓨터로 읽을 수 있는 기록 매체
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KR100612215B1 (ko) * 2004-07-24 2006-08-16 삼성전자주식회사 비밀번호를 이용하는 데이터 기록/재생 장치 및 그 방법
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JP5265860B2 (ja) * 2006-09-05 2013-08-14 ソニー株式会社 受信装置
JP5178037B2 (ja) * 2007-04-02 2013-04-10 日立コンシューマエレクトロニクス株式会社 ディジタル情報記録装置およびディジタル情報記録方法ディジタル情報送信装置およびディジタル情報送信方法、ディジタル情報処理装置およびディジタル情報処理方法
KR20090001830A (ko) * 2007-05-25 2009-01-09 삼성전자주식회사 컨텐츠 디바이스의 출력 제어 방법 및 장치
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Also Published As

Publication number Publication date
DE69923241D1 (de) 2005-02-17
CN1210708C (zh) 2005-07-13
CN1241776A (zh) 2000-01-19
JP4208998B2 (ja) 2009-01-14
EP0969462B1 (de) 2004-08-25
DE69919635T2 (de) 2005-09-15
JP2000023088A (ja) 2000-01-21
EP1381044B1 (de) 2005-01-12
EP1381044A3 (de) 2004-04-14
US6633723B1 (en) 2003-10-14
DE69923241T2 (de) 2006-02-16
EP0969462A1 (de) 2000-01-05
HK1026050A1 (en) 2000-12-01
EP1381044A2 (de) 2004-01-14

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