NO20003492L - Dataomformingsapparat og fremgangsmÕte i copyright beskyttelsessystem - Google Patents

Dataomformingsapparat og fremgangsmÕte i copyright beskyttelsessystem

Info

Publication number
NO20003492L
NO20003492L NO20003492A NO20003492A NO20003492L NO 20003492 L NO20003492 L NO 20003492L NO 20003492 A NO20003492 A NO 20003492A NO 20003492 A NO20003492 A NO 20003492A NO 20003492 L NO20003492 L NO 20003492L
Authority
NO
Norway
Prior art keywords
protection system
data conversion
conversion apparatus
copyright protection
data
Prior art date
Application number
NO20003492A
Other languages
English (en)
Other versions
NO20003492D0 (no
Inventor
Kenji Tagawa
Masayuki Kozuka
Masataka Minami
Tetsuo Maeda
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NO20003492D0 publication Critical patent/NO20003492D0/no
Publication of NO20003492L publication Critical patent/NO20003492L/no

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • 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
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • 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
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00144—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a user identifier, e.g. a unique customer ID
    • 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
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/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
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
    • 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
    • G11B20/0021—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
    • G11B20/00217—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 cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00224—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 cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a remote server
    • 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
    • G11B20/00217—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 cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00246—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 cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a local device, e.g. device key initially stored by the player or by the recorder
    • 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
    • G11B20/00485—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00536—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
    • 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
    • G11B20/00485—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00557—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • 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
    • G11B20/0071—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/108—Transfer of content, software, digital rights or licenses
    • G06F21/1086—Superdistribution
    • 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
    • G11B20/00007—Time or data compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • General Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Development Economics (AREA)
  • Marketing (AREA)
  • Economics (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Communication Control (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
NO20003492A 1998-11-09 2000-07-06 Dataomformingsapparat og fremgangsmÕte i copyright beskyttelsessystem NO20003492L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31743198 1998-11-09
PCT/JP1999/006210 WO2000028539A1 (en) 1998-11-09 1999-11-08 Data conversion apparatus and method in copyright protecting system

Publications (2)

Publication Number Publication Date
NO20003492D0 NO20003492D0 (no) 2000-07-06
NO20003492L true NO20003492L (no) 2000-09-08

Family

ID=18088152

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003492A NO20003492L (no) 1998-11-09 2000-07-06 Dataomformingsapparat og fremgangsmÕte i copyright beskyttelsessystem

Country Status (9)

Country Link
US (1) US7315829B1 (no)
EP (1) EP1001419B1 (no)
CN (1) CN1127074C (no)
BR (1) BR9906815A (no)
CA (1) CA2316877C (no)
DE (1) DE69915213T2 (no)
NO (1) NO20003492L (no)
RU (1) RU2216793C2 (no)
WO (1) WO2000028539A1 (no)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000062292A1 (en) * 1999-04-14 2000-10-19 Matsushita Electric Industrial Co., Ltd. Data management apparatus, data management method, and record medium recording data management program
CA2355636A1 (en) * 1999-10-25 2001-05-03 Yuichi Ezura Contents providing system
GB9925227D0 (en) 1999-10-25 1999-12-22 Internet Limited Data storage retrieval and access system
NZ518169A (en) 2000-02-21 2003-01-31 Trek 2000 Int Ltd Portable data storage device connectable to a computer serial bus using non-volatile solid state memory device
US6937814B1 (en) * 2000-04-14 2005-08-30 Realnetworks, Inc. System and method for play while recording processing
US7526450B2 (en) 2000-04-19 2009-04-28 Sony Corporation Interface for presenting downloadable digital data content format options
AU2002234144A1 (en) * 2000-10-27 2002-05-06 James R Clark Copy-protection system and method
JP2002150675A (ja) 2000-11-06 2002-05-24 Sony Corp 記録装置及び方法、再生装置及び方法、並びに記憶媒体
US7827112B2 (en) * 2001-03-01 2010-11-02 Sony Corporation Digital signal processing apparatus, digital signal processing method, information center, and data delivery system
US7216368B2 (en) 2001-03-29 2007-05-08 Sony Corporation Information processing apparatus for watermarking digital content
JP3678164B2 (ja) * 2001-04-13 2005-08-03 ソニー株式会社 データ転送システム、データ転送装置、データ記録装置、データ転送方法
EA006380B1 (ru) 2001-06-28 2005-12-29 Трек 2000 Интернэшнл Лтд. Способ и устройства для передачи данных
US7505760B2 (en) 2001-07-06 2009-03-17 Nokia Corporation Method and apparatus for the superdistribution of content in a network including stationary and mobile stations
GB2383651A (en) * 2001-11-12 2003-07-02 Sean Christopher Martin Distribution system for music and other digital data
JP3818505B2 (ja) 2002-04-15 2006-09-06 ソニー株式会社 情報処理装置および方法、並びにプログラム
TW588243B (en) 2002-07-31 2004-05-21 Trek 2000 Int Ltd System and method for authentication
JP3843947B2 (ja) * 2003-01-14 2006-11-08 ヤマハ株式会社 音楽コンテンツ利用装置および同装置に適用されるコンピュータプログラム
JP4000468B2 (ja) * 2003-01-14 2007-10-31 ヤマハ株式会社 音楽コンテンツ利用装置および同装置に適用されるコンピュータプログラム
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
US7519274B2 (en) 2003-12-08 2009-04-14 Divx, Inc. File format for multiple track digital data
US8472792B2 (en) 2003-12-08 2013-06-25 Divx, Llc Multimedia distribution system
US20070283442A1 (en) * 2004-02-03 2007-12-06 Toshihisa Nakano Recording/Reproduction Device And Content Protection System
CN100495365C (zh) * 2004-04-21 2009-06-03 松下电器产业株式会社 记录装置、记录介质和内容保护系统
US7676590B2 (en) 2004-05-03 2010-03-09 Microsoft Corporation Background transcoding
KR100608585B1 (ko) 2004-07-12 2006-08-03 삼성전자주식회사 이동형 저장 장치에서 객체의 위치 정보를 이용하여 권리객체를 검색하는 방법 및 장치
US7558463B2 (en) * 2005-04-18 2009-07-07 Microsoft Corporation Retention of information about digital-media rights in transformed digital media content
US7555715B2 (en) * 2005-10-25 2009-06-30 Sonic Solutions Methods and systems for use in maintaining media data quality upon conversion to a different data format
KR100757845B1 (ko) 2006-02-13 2007-09-11 (주)잉카엔트웍스 클라이언트 기기로 암호화된 컨텐츠에 대응하는 라이센스를제공하는 방법 및 상기 방법을 채용한 ｄｒｍ 변환 시스템
US7515710B2 (en) 2006-03-14 2009-04-07 Divx, Inc. Federated digital rights management scheme including trusted systems
US7774854B1 (en) * 2006-03-31 2010-08-10 Verint Americas Inc. Systems and methods for protecting information
WO2008086313A1 (en) 2007-01-05 2008-07-17 Divx, Inc. Video distribution system including progressive playback
US8182340B2 (en) * 2007-01-31 2012-05-22 Digital Monks, LLC Method and system for using temporary information on personal devices
KR20100106327A (ko) 2007-11-16 2010-10-01 디브이엑스, 인크. 멀티미디어 파일을 위한 계층적 및 감소된 인덱스 구조
WO2011068668A1 (en) 2009-12-04 2011-06-09 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
JP2011223281A (ja) * 2010-04-08 2011-11-04 Sony Corp 情報処理装置、情報処理システム、および情報処理方法、並びにプログラム
US9247312B2 (en) 2011-01-05 2016-01-26 Sonic Ip, Inc. Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8806188B2 (en) 2011-08-31 2014-08-12 Sonic Ip, Inc. Systems and methods for performing adaptive bitrate streaming using automatically generated top level index files
US8909922B2 (en) 2011-09-01 2014-12-09 Sonic Ip, Inc. Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
JP5843261B2 (ja) * 2011-12-16 2016-01-13 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 文字列がオートマトンに受理されるか否かを認証するシステム
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
US9313510B2 (en) 2012-12-31 2016-04-12 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
EP3096321B1 (en) * 2014-01-14 2020-02-05 Sony Corporation Information processing device, information recording medium, information processing system, information processing method, and program
KR102012682B1 (ko) 2015-01-06 2019-08-22 디브이엑스, 엘엘씨 디바이스들간에 콘텐트를 인코딩 및 공유하기 위한 시스템들 및 방법들
JP2017004133A (ja) * 2015-06-08 2017-01-05 株式会社リコー サービス提供システム、情報処理システム、情報処理装置、サービス提供方法、及びプログラム
CN113316004B (zh) * 2020-08-14 2022-05-17 南京百家云科技有限公司 一种保护流媒体版权的方法及装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103392A (en) * 1983-10-05 1992-04-07 Fujitsu Limited System for storing history of use of programs including user credit data and having access by the proprietor
JP3073590B2 (ja) 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
WO1994014284A1 (en) 1992-12-09 1994-06-23 Discovery Communications, Inc. Reprogrammable terminal for suggesting programs offered on a television program delivery system
US5418713A (en) 1993-08-05 1995-05-23 Allen; Richard Apparatus and method for an on demand data delivery system for the preview, selection, retrieval and reproduction at a remote location of previously recorded or programmed materials
US5592511A (en) 1994-05-10 1997-01-07 Schoen; Neil C. Digital customized audio products with user created data and associated distribution and production system
JP3395863B2 (ja) * 1994-08-10 2003-04-14 富士通株式会社 ソフトウエア管理モジュール、ソフトウエア再生管理装置およびソフトウエア再生管理システム
JPH0854951A (ja) * 1994-08-10 1996-02-27 Fujitsu Ltd ソフトウェア使用量管理装置
US5870467A (en) * 1994-09-16 1999-02-09 Kabushiki Kaisha Toshiba Method and apparatus for data input/output management suitable for protection of electronic writing data
JPH0934841A (ja) * 1995-07-21 1997-02-07 Fujitsu Ltd 記憶媒体のオンライン暗号解除システムおよび方法
JP3507594B2 (ja) * 1995-07-31 2004-03-15 株式会社東芝 コンピュータ
JPH09160899A (ja) * 1995-12-06 1997-06-20 Matsushita Electric Ind Co Ltd 情報サービス処理装置
US6272535B1 (en) * 1996-01-31 2001-08-07 Canon Kabushiki Kaisha System for enabling access to a body of information based on a credit value, and system for allocating fees
US5673316A (en) * 1996-03-29 1997-09-30 International Business Machines Corporation Creation and distribution of cryptographic envelope
JPH103745A (ja) * 1996-06-12 1998-01-06 Sony Corp 記録媒体、デジタルコピー管理方法、再生装置、及び記録装置
US6233684B1 (en) * 1997-02-28 2001-05-15 Contenaguard Holdings, Inc. System for controlling the distribution and use of rendered digital works through watermaking
EP0895149B1 (en) * 1997-07-31 2003-09-17 Siemens Aktiengesellschaft Computer system for protecting a file and a method for protecting a file
US6463539B1 (en) * 1997-09-30 2002-10-08 Victor Company Of Japan, Ltd. Managing system for reproducing information composed of information recording medium, managing medium, and reproduction method and apparatus method therefor
US6081840A (en) * 1997-10-14 2000-06-27 Zhao; Yan Two-level content distribution system
US5987429A (en) * 1997-12-16 1999-11-16 Sun Microsystems, Inc. Computer-based fee processing for electronic commerce
JPH11259764A (ja) * 1998-03-12 1999-09-24 Sony Corp 記録媒体および情報伝達システム

Also Published As

Publication number Publication date
WO2000028539A1 (en) 2000-05-18
DE69915213D1 (de) 2004-04-08
CA2316877C (en) 2002-10-08
RU2216793C2 (ru) 2003-11-20
CA2316877A1 (en) 2000-05-18
EP1001419A1 (en) 2000-05-17
CN1127074C (zh) 2003-11-05
EP1001419B1 (en) 2004-03-03
BR9906815A (pt) 2000-10-10
NO20003492D0 (no) 2000-07-06
CN1287665A (zh) 2001-03-14
DE69915213T2 (de) 2005-02-24
US7315829B1 (en) 2008-01-01

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