TW200728981A - A system and method for allowing copying or distribution of a copy protected signal - Google Patents
A system and method for allowing copying or distribution of a copy protected signalInfo
- Publication number
- TW200728981A TW200728981A TW095134143A TW95134143A TW200728981A TW 200728981 A TW200728981 A TW 200728981A TW 095134143 A TW095134143 A TW 095134143A TW 95134143 A TW95134143 A TW 95134143A TW 200728981 A TW200728981 A TW 200728981A
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- distribution
- copy protected
- copy protection
- protected signal
- Prior art date
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
-
- 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
- G11B20/00855—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42646—Internal components of the client ; Characteristics thereof for reading from or writing on a non-volatile solid state storage medium, e.g. DVD, CD-ROM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
-
- 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
-
- 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
- H04N2005/91328—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]
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095134143A TWI353520B (en) | 2004-10-19 | 2006-09-15 | Media system , copy protection modification method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/968,487 US7784103B2 (en) | 2004-10-19 | 2004-10-19 | Method and apparatus for storing copy protection information separately from protected content |
US11/228,757 US7907727B2 (en) | 2004-10-19 | 2005-09-16 | System and method for allowing copying or distribution of a copy protected signal |
TW094136598A TWI291632B (en) | 2004-10-19 | 2005-10-19 | A method and apparatus for protecting digital content using mechanism of storing copy protection information |
TW095134143A TWI353520B (en) | 2004-10-19 | 2006-09-15 | Media system , copy protection modification method |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200728981A true TW200728981A (en) | 2007-08-01 |
TWI353520B TWI353520B (en) | 2011-12-01 |
Family
ID=37889323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095134143A TWI353520B (en) | 2004-10-19 | 2006-09-15 | Media system , copy protection modification method |
Country Status (5)
Country | Link |
---|---|
US (2) | US7907727B2 (zh) |
EP (1) | EP1925161A4 (zh) |
JP (1) | JP2009509280A (zh) |
TW (1) | TWI353520B (zh) |
WO (1) | WO2007035383A2 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7907727B2 (en) * | 2004-10-19 | 2011-03-15 | Rovi Solutions Corporation | System and method for allowing copying or distribution of a copy protected signal |
US7784103B2 (en) * | 2004-10-19 | 2010-08-24 | Rovi Solutions Corporation | Method and apparatus for storing copy protection information separately from protected content |
US8428258B2 (en) | 2007-05-02 | 2013-04-23 | Rovi Technologies Corporation | Method and apparatus for providing content control via detection of modifications to a signal |
US20080279077A1 (en) * | 2007-05-09 | 2008-11-13 | Macrovision Corporation | Apparatus for and a method of enabling copying a copy-protected recording medium |
US8280049B2 (en) | 2008-08-27 | 2012-10-02 | Rovi Solutions Corporation | Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device |
US8248532B2 (en) * | 2009-01-08 | 2012-08-21 | Rovi Solutions Corporation | Method and apparatus for providing a content control signal via color burst phase modifications |
US20100260476A1 (en) * | 2009-04-13 | 2010-10-14 | Cloutman John F | Method and apparatus for secure configuration of electronic devices |
US20120184007A1 (en) * | 2009-07-09 | 2012-07-19 | Stephen Picataggio | Engineered microorganisms with enhanced fermentation activity |
US8644680B2 (en) * | 2009-09-18 | 2014-02-04 | Rovi Technologies Corporation | Method and apparatus for providing a content control signal in a media player via color burst phase modifications |
US8374490B2 (en) * | 2010-02-24 | 2013-02-12 | Rovi Technologies Corporation | Method and apparatus for receiving metadata, EPG, or IPG signals in an integrated circuit for control purposes |
US8306403B2 (en) * | 2010-03-29 | 2012-11-06 | Rovi Technologies Corporation | Content control via guide data and/or metadata |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5194965A (en) * | 1983-11-23 | 1993-03-16 | Macrovision Corporation | Method and apparatus for disabling anti-copy protection system in video signals |
US4631603A (en) * | 1985-04-17 | 1986-12-23 | Macrovision | Method and apparatus for processing a video signal so as to prohibit the making of acceptable video tape recordings thereof |
US4914694A (en) * | 1988-04-11 | 1990-04-03 | Eidak Corporation | Modifying a television signal to inhibit recording/reproduction |
US5315448A (en) * | 1993-03-18 | 1994-05-24 | Macrovision Corporation | Copy protection for hybrid digital video tape recording and unprotected source material |
US5583936A (en) * | 1993-05-17 | 1996-12-10 | Macrovision Corporation | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
US5574787A (en) * | 1994-07-25 | 1996-11-12 | Ryan; John O. | Apparatus and method for comprehensive copy protection for video platforms and unprotected source material |
JP3617115B2 (ja) | 1995-03-31 | 2005-02-02 | ソニー株式会社 | ビデオ信号処理装置および処理方法 |
US6980653B1 (en) * | 1995-07-21 | 2005-12-27 | Sony Corporation | Signal reproducing/recording/transmitting method and apparatus and signal record medium |
KR0166923B1 (ko) * | 1995-09-18 | 1999-03-20 | 구자홍 | 디지탈 방송 시스템의 불법 시청 및 복사 방지방법 및 장치 |
NZ321300A (en) * | 1995-10-17 | 1998-08-26 | Macrovision Corp | Method and apparatus for removing or defeating copy protection signal effects from a video signal |
PT891669E (pt) * | 1996-04-01 | 2001-01-31 | Macrovision Corp | Metodo para controlo de proteccao de copia em redes de video digitais |
AU3207697A (en) | 1996-05-15 | 1997-12-05 | Macrovision Corporation | Method and apparatus for copy protection of copyrighted material on various recording media |
US6058191A (en) | 1997-02-04 | 2000-05-02 | Macrovision Corp | Method and apparatus for modifying the envelope of a RF carrier signal to remove copy protection signals therefrom |
US6404889B1 (en) * | 1997-06-30 | 2002-06-11 | Macrovision Corporation | Protection of a component video signal |
EP0944256A1 (en) * | 1998-03-19 | 1999-09-22 | Hitachi Europe Limited | Copy protection apparatus and method |
US6523113B1 (en) * | 1998-06-09 | 2003-02-18 | Apple Computer, Inc. | Method and apparatus for copy protection |
JP4208998B2 (ja) * | 1998-07-03 | 2009-01-14 | パイオニア株式会社 | 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 |
CN1322748C (zh) * | 1998-09-02 | 2007-06-20 | 麦克罗维西恩公司 | 用于合成和消除视频复制保护信号的方法和装置 |
US6836549B1 (en) * | 1998-09-02 | 2004-12-28 | Macrovision Corporation | Method and apparatus for synthesizing and reducing the effects of video copy protection signals |
US6522769B1 (en) * | 1999-05-19 | 2003-02-18 | Digimarc Corporation | Reconfiguring a watermark detector |
JP3162044B2 (ja) * | 1999-07-09 | 2001-04-25 | 松下電器産業株式会社 | 光ディスク、その記録装置、再生装置、記録方法および再生方法 |
US7050698B1 (en) * | 2000-08-15 | 2006-05-23 | Macrovision Corporation | Method and apparatus for synthesizing or modifying a copy protection signal using a lowered signal level portion |
GB0024919D0 (en) * | 2000-10-11 | 2000-11-22 | Sealedmedia Ltd | Method of further securing an operating system |
JP4545994B2 (ja) * | 2001-07-02 | 2010-09-15 | 三洋電機株式会社 | データ再生装置それに用いるデータ再生回路、およびデータ記録装置 |
JP3782321B2 (ja) * | 2001-07-06 | 2006-06-07 | 株式会社東芝 | スクランブルキー管理機能付き情報記録再生装置 |
JP3687094B2 (ja) | 2001-09-13 | 2005-08-24 | ソニー株式会社 | 再生装置および方法 |
JP3746230B2 (ja) | 2001-09-29 | 2006-02-15 | 株式会社東芝 | レコーディング装置、コピー制御方法及びプログラム |
KR20040088464A (ko) | 2002-03-05 | 2004-10-16 | 마츠시타 덴끼 산교 가부시키가이샤 | Ipmp에 의해서 보호된 콘텐츠의 처리에 사용되는 툴을지정하는 정보의 전송방법 |
KR20030094730A (ko) | 2002-06-07 | 2003-12-18 | 삼성전자주식회사 | 기록 방지 정보를 저장하는 기록 매체, 그 기록 방법 및기록 방지 방법 |
JP2004030815A (ja) | 2002-06-27 | 2004-01-29 | Ricoh Co Ltd | プログラム、記録媒体、情報処理システム及びコピープロテクト方法 |
US7376337B2 (en) * | 2002-09-30 | 2008-05-20 | Matsushita Electric Industrial Co., Ltd. | Video signal recording apparatus for copyrighted works |
WO2004036908A1 (ja) * | 2002-10-17 | 2004-04-29 | Matsushita Electric Industrial Co., Ltd. | データ処理装置 |
EP1863030B1 (en) * | 2003-01-23 | 2013-10-02 | LG Electronics, Inc. | Computer-readable storage medium, and method and apparatus for reproducing data therefrom |
WO2004081719A2 (en) | 2003-03-07 | 2004-09-23 | Chaoticom, Inc. | Methods and systems for digital rights management of protected content |
US7865057B2 (en) * | 2003-10-07 | 2011-01-04 | Rovi Solutions Corporation | Method and apparatus for conveying rights across an analog video interface |
KR20050078473A (ko) | 2004-02-02 | 2005-08-05 | 삼성전자주식회사 | 입력 데이터의 복사 제어 정보 갱신 장치 및 방법 |
US7784103B2 (en) * | 2004-10-19 | 2010-08-24 | Rovi Solutions Corporation | Method and apparatus for storing copy protection information separately from protected content |
US7907727B2 (en) * | 2004-10-19 | 2011-03-15 | Rovi Solutions Corporation | System and method for allowing copying or distribution of a copy protected signal |
-
2005
- 2005-09-16 US US11/228,757 patent/US7907727B2/en not_active Expired - Fee Related
-
2006
- 2006-09-13 JP JP2008531301A patent/JP2009509280A/ja active Pending
- 2006-09-13 EP EP06803548A patent/EP1925161A4/en not_active Withdrawn
- 2006-09-13 WO PCT/US2006/035738 patent/WO2007035383A2/en active Application Filing
- 2006-09-15 TW TW095134143A patent/TWI353520B/zh active
-
2011
- 2011-01-10 US US12/987,463 patent/US8259939B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1925161A4 (en) | 2011-01-05 |
US20060083373A1 (en) | 2006-04-20 |
JP2009509280A (ja) | 2009-03-05 |
EP1925161A2 (en) | 2008-05-28 |
TWI353520B (en) | 2011-12-01 |
WO2007035383A2 (en) | 2007-03-29 |
US7907727B2 (en) | 2011-03-15 |
US8259939B2 (en) | 2012-09-04 |
US20110107438A1 (en) | 2011-05-05 |
WO2007035383A3 (en) | 2007-08-02 |
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