TW514873B - Copyright protecting method, recording method, recording apparatus, reproduction method and reproduction apparatus - Google Patents

Copyright protecting method, recording method, recording apparatus, reproduction method and reproduction apparatus Download PDF

Info

Publication number
TW514873B
TW514873B TW090111028A TW90111028A TW514873B TW 514873 B TW514873 B TW 514873B TW 090111028 A TW090111028 A TW 090111028A TW 90111028 A TW90111028 A TW 90111028A TW 514873 B TW514873 B TW 514873B
Authority
TW
Taiwan
Prior art keywords
information signal
control information
encryption system
information
encryption
Prior art date
Application number
TW090111028A
Other languages
English (en)
Chinese (zh)
Inventor
Yoshiaki Moriyama
Kazuo Kuroda
Toshio Suzuku
Kazuyuki Yoshida
Original Assignee
Pioneer 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 Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of TW514873B publication Critical patent/TW514873B/zh

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
    • G11B20/0021—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
    • G11B20/0042—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 the copy protection scheme being related to a specific access protection standard
    • G11B20/00449—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 the copy protection scheme being related to a specific access protection standard content scrambling system [CSS]
    • 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
    • G11B20/00086—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
    • G11B20/10—Digital recording or reproducing
    • 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
    • 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
    • G11B2020/10833—Copying or moving data from one record carrier to another
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • 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)
  • Storage Device Security (AREA)
  • Television Signal Processing For Recording (AREA)
  • Image Processing (AREA)
  • Facsimiles In General (AREA)
  • Television Systems (AREA)
  • Facsimile Transmission Control (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
TW090111028A 2000-05-10 2001-05-09 Copyright protecting method, recording method, recording apparatus, reproduction method and reproduction apparatus TW514873B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000137546A JP2001320363A (ja) 2000-05-10 2000-05-10 著作権保護方法、記録方法、記録装置、再生方法及び再生装置

Publications (1)

Publication Number Publication Date
TW514873B true TW514873B (en) 2002-12-21

Family

ID=18645304

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090111028A TW514873B (en) 2000-05-10 2001-05-09 Copyright protecting method, recording method, recording apparatus, reproduction method and reproduction apparatus

Country Status (7)

Country Link
US (1) US20020041686A1 (enExample)
EP (1) EP1154426A3 (enExample)
JP (1) JP2001320363A (enExample)
KR (1) KR100573998B1 (enExample)
CN (1) CN1165905C (enExample)
HK (1) HK1042581A1 (enExample)
TW (1) TW514873B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9281004B2 (en) 2006-12-11 2016-03-08 Mitsubishi Electric Corporation Content assessment apparatus, content assessment method, information reproducing apparatus, and information reproducing method

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US7562392B1 (en) * 1999-05-19 2009-07-14 Digimarc Corporation Methods of interacting with audio and ambient music
US8290202B2 (en) * 1998-11-03 2012-10-16 Digimarc Corporation Methods utilizing steganography
WO2002045406A2 (en) * 2000-11-22 2002-06-06 Digimarc Corporation Watermark communication and control systems
TW566041B (en) * 2001-07-06 2003-12-11 Hitachi Ltd Digital data recording device and output device
JP3873740B2 (ja) * 2001-12-21 2007-01-24 ソニー株式会社 記録媒体、記録方法および装置、ならびに、再生方法および装置
TWI244645B (en) * 2002-01-28 2005-12-01 Sony Corp Information recording apparatus and method, information reproduction apparatus and method, information recording medium, program storage medium
JP2003228915A (ja) * 2002-02-01 2003-08-15 Sony Corp 再生制御方法、プログラム、記録媒体
EP1490871A1 (en) * 2002-03-25 2004-12-29 Matsushita Electric Industrial Co., Ltd. Recording medium, recording apparatus, reading apparatus, and program and method therefore
US8656178B2 (en) * 2002-04-18 2014-02-18 International Business Machines Corporation Method, system and program product for modifying content usage conditions during content distribution
TW200409518A (en) * 2002-08-28 2004-06-01 Matsushita Electric Industrial Co Ltd Content-duplication management system, apparatus and method, playback apparatus and method, and computer program
FR2846179B1 (fr) 2002-10-21 2005-02-04 Medialive Embrouillage adaptatif et progressif de flux audio
JP2004185782A (ja) * 2002-12-06 2004-07-02 Pioneer Electronic Corp 情報処理装置、情報記録装置、情報記録媒体、コンピュータプログラム及び情報処理方法
US7203965B2 (en) * 2002-12-17 2007-04-10 Sony Corporation System and method for home network content protection and copy management
US8011015B2 (en) * 2002-12-17 2011-08-30 Sony Corporation Content access in a media network environment
FR2849980B1 (fr) * 2003-01-15 2005-04-08 Medialive Procede pour la distribution de sequences video, decodeur et systeme pour la mise en oeuvre de ce prodede
WO2004066287A1 (en) 2003-01-23 2004-08-05 Lg Electronics Inc. Recording medium with an optional information and apparatus and methods for forming, recording, reproducing and controlling reproduction of the recording medium
MXPA04012390A (es) 2003-01-23 2005-02-25 Lg Electronics Inc Medio de registro con informacion de proteccion contra duplicacion formada en cavidades modulada intermitentes o alternas y aparato y metodos para formar, registrar y reproducir el medio de registro.
KR100952949B1 (ko) 2003-01-24 2010-04-15 엘지전자 주식회사 고밀도 광디스크의 복사 방지 정보 관리방법
SI1597727T1 (sl) * 2003-02-20 2012-05-31 Koninkl Philips Electronics Nv Nosilec informacij ki obsega podatke o dostopu
FR2853786B1 (fr) * 2003-04-11 2005-08-05 Medialive Procede et equipement de distribution de produits videos numeriques avec une restriction de certains au moins des droits de representation et de reproduction
KR100608573B1 (ko) * 2003-05-20 2006-08-03 삼성전자주식회사 데이터 복제방지 장치와 시스템 및 복제방지 방법
AU2004246534B2 (en) * 2003-06-04 2007-02-01 Samsung Electronics Co., Ltd. Audio/video stream processing system and method for data copy protection
US7426273B2 (en) * 2003-06-04 2008-09-16 Samsung Electronics Co. Ltd. Audio/video stream processing system and method for data copy protection
EP1631958A4 (en) * 2003-06-10 2008-08-13 Samsung Electronics Co Ltd SYSTEM AND METHOD FOR COPY PROTECTION OF AUDIO / VIDEO DATA
JP2005063483A (ja) * 2003-08-12 2005-03-10 Pioneer Electronic Corp 情報記録再生装置、情報記録再生方法及び情報記録再生プログラム
US20070009232A1 (en) 2003-08-26 2007-01-11 Kenji Muraki Information processing system, information processing method, computer program executed in information processing system
KR20050045196A (ko) * 2003-11-10 2005-05-17 삼성전자주식회사 Ａｖ 스트림 복사 방법, 장치 및 ａｖ 컨텐츠 복사 방법
AU2003304608A1 (en) * 2003-12-08 2005-06-29 Nokia Corporation Method and device for sharing of content protected by digital rights management
KR20050078473A (ko) * 2004-02-02 2005-08-05 삼성전자주식회사 입력 데이터의 복사 제어 정보 갱신 장치 및 방법

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JPH10107787A (ja) * 1996-09-27 1998-04-24 Mitsubishi Corp データ管理システム
JP4106740B2 (ja) * 1998-02-18 2008-06-25 ソニー株式会社 情報記録装置および方法、情報再生装置および方法、並びにプログラム記録媒体
JP3428420B2 (ja) * 1998-02-25 2003-07-22 松下電器産業株式会社 デジタル放送受信再生装置
JP3984749B2 (ja) * 1998-04-14 2007-10-03 株式会社日立製作所 認証方法、データ処理装置
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9281004B2 (en) 2006-12-11 2016-03-08 Mitsubishi Electric Corporation Content assessment apparatus, content assessment method, information reproducing apparatus, and information reproducing method

Also Published As

Publication number Publication date
JP2001320363A (ja) 2001-11-16
CN1165905C (zh) 2004-09-08
EP1154426A2 (en) 2001-11-14
KR20010104658A (ko) 2001-11-26
US20020041686A1 (en) 2002-04-11
EP1154426A3 (en) 2003-03-05
KR100573998B1 (ko) 2006-04-25
HK1042581A1 (en) 2002-08-16
CN1336662A (zh) 2002-02-20

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GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees