CN1659880A - 条件存取设备和方法 - Google Patents
条件存取设备和方法 Download PDFInfo
- Publication number
- CN1659880A CN1659880A CN038134594A CN03813459A CN1659880A CN 1659880 A CN1659880 A CN 1659880A CN 038134594 A CN038134594 A CN 038134594A CN 03813459 A CN03813459 A CN 03813459A CN 1659880 A CN1659880 A CN 1659880A
- Authority
- CN
- China
- Prior art keywords
- item
- information
- stream
- message
- decryption 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 18
- 230000004044 response Effects 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000013475 authorization Methods 0.000 description 7
- 238000001824 photoionisation detection Methods 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 239000000284 extract Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000012952 Resampling Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- 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
- H04N21/43—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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- 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
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- 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
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
-
- 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
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
-
- 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
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- 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
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks 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
- H04N5/84—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
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Television Signal Processing For Recording (AREA)
- Vehicle Body Suspensions (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02077291.9 | 2002-06-12 | ||
EP02077291 | 2002-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1659880A true CN1659880A (zh) | 2005-08-24 |
CN100588245C CN100588245C (zh) | 2010-02-03 |
Family
ID=29724482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03813459A Expired - Fee Related CN100588245C (zh) | 2002-06-12 | 2003-05-27 | 条件存取设备和方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060072611A1 (zh) |
EP (1) | EP1516488B1 (zh) |
JP (1) | JP2006512793A (zh) |
KR (1) | KR20050010042A (zh) |
CN (1) | CN100588245C (zh) |
AT (1) | ATE431678T1 (zh) |
AU (1) | AU2003233104A1 (zh) |
DE (1) | DE60327629D1 (zh) |
WO (1) | WO2003107670A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101317452B (zh) * | 2005-12-09 | 2011-06-08 | 韩国电子通信研究院 | 用于根据地面数字多媒体广播的条件存取来编码视频、音频和附加数据的设备和方法以及利用其的条件存取系统 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003090463A2 (en) * | 2002-04-19 | 2003-10-30 | Koninklijke Philips Electronics N.V. | Conditional access system and apparatus |
JP4306365B2 (ja) * | 2003-08-07 | 2009-07-29 | ソニー株式会社 | サーバ及びコンテンツ受信装置 |
US10636040B2 (en) | 2005-03-16 | 2020-04-28 | Dt Labs, Llc | Apparatus for customer authentication of an item |
US8261058B2 (en) | 2005-03-16 | 2012-09-04 | Dt Labs, Llc | System, method and apparatus for electronically protecting data and digital content |
US8613107B2 (en) * | 2005-03-16 | 2013-12-17 | Dt Labs Development, Llc | System, method and apparatus for electronically protecting data associated with RFID tags |
US7937579B2 (en) * | 2005-03-16 | 2011-05-03 | Dt Labs, Llc | System, method and apparatus for electronically protecting data and digital content |
US7941376B2 (en) * | 2005-03-16 | 2011-05-10 | Dt Labs, Llc | System and method for customer authentication of an item |
US20100005509A1 (en) * | 2005-03-16 | 2010-01-07 | Dt Labs, Llc | System, method and apparatus for electronically protecting data and digital content |
EP2439946B1 (en) * | 2006-05-04 | 2013-07-10 | NDS Limited | Scrambled digital data item |
US8510846B1 (en) | 2006-06-29 | 2013-08-13 | Google Inc. | Data encryption and isolation |
US9060096B2 (en) * | 2007-07-26 | 2015-06-16 | The Directv Group, Inc. | Method and system for forming a content stream with conditional access information and a content file |
CN103781402A (zh) * | 2011-09-09 | 2014-05-07 | 德尔格医疗系统有限公司 | 线缆管理的系统及方法 |
JP6721832B2 (ja) * | 2016-08-24 | 2020-07-15 | 富士通株式会社 | データ変換プログラム、データ変換装置及びデータ変換方法 |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
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US5870474A (en) * | 1995-12-04 | 1999-02-09 | Scientific-Atlanta, Inc. | Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
US4937866A (en) * | 1986-08-13 | 1990-06-26 | U.S. Philips Corporation | System for decoding transmitted scrambled signals |
FR2631193B1 (fr) * | 1988-05-06 | 1994-09-16 | Europ Rech Electr Lab | Procede d'embrouillage et de desembrouillage de signaux video composites, et dispositif de mise en oeuvre |
FR2656489B1 (fr) * | 1989-12-22 | 1995-08-04 | France Etat | Dispositif de consultation intelligible de la nature des droits d'acces a un service de television et/ou de radio a peage. |
US5537473A (en) * | 1991-07-08 | 1996-07-16 | Amstrad Public Limited Company | Video recorder system |
US5317391A (en) * | 1991-11-29 | 1994-05-31 | Scientific-Atlanta, Inc. | Method and apparatus for providing message information to subscribers in a cable television system |
DE69312828T2 (de) * | 1992-09-14 | 1997-11-27 | Thomson Multimedia Sa | Zugriffsteuerungsverfahren |
US5594726A (en) * | 1993-09-17 | 1997-01-14 | Scientific-Atlanta, Inc. | Frequency agile broadband communications system |
US5594493A (en) * | 1994-01-19 | 1997-01-14 | Nemirofsky; Frank R. | Television signal activated interactive smart card system |
US5880769A (en) * | 1994-01-19 | 1999-03-09 | Smarttv Co. | Interactive smart card system for integrating the provision of remote and local services |
MY125706A (en) * | 1994-08-19 | 2006-08-30 | Thomson Consumer Electronics | High speed signal processing smart card |
KR100332743B1 (ko) * | 1994-11-26 | 2002-11-07 | 엘지전자주식회사 | 디지탈영상시스템의불법시청및복사방지방법및장치 |
FR2730372A1 (fr) * | 1995-02-08 | 1996-08-09 | Philips Electronics Nv | Procede de television payante |
US5737026A (en) * | 1995-02-28 | 1998-04-07 | Nielsen Media Research, Inc. | Video and data co-channel communication system |
US6005938A (en) * | 1996-12-16 | 1999-12-21 | Scientific-Atlanta, Inc. | Preventing replay attacks on digital information distributed by network service providers |
US6937729B2 (en) * | 1995-04-03 | 2005-08-30 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
US6157719A (en) * | 1995-04-03 | 2000-12-05 | Scientific-Atlanta, Inc. | Conditional access system |
US5852290A (en) * | 1995-08-04 | 1998-12-22 | Thomson Consumer Electronics, Inc. | Smart-card based access control system with improved security |
EP0762765B1 (en) * | 1995-09-05 | 2002-07-10 | Hitachi, Ltd. | Digital access control method |
JP4491069B2 (ja) * | 1995-10-31 | 2010-06-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 時間シフト限定アクセス |
DE69739602D1 (de) * | 1996-05-06 | 2009-11-12 | Irdeto Eindhoven B V | Durch sicherheitsvorrichtung gesteuerter zugriff auf informationen |
EP0858184A3 (en) * | 1997-02-07 | 1999-09-01 | Nds Limited | Digital recording protection system |
JP4110588B2 (ja) * | 1997-03-19 | 2008-07-02 | ソニー株式会社 | データ受信装置および受信方法 |
US6057872A (en) * | 1997-07-09 | 2000-05-02 | General Instrument Corporation | Digital coupons for pay televisions |
EP1046163B1 (en) * | 1998-10-05 | 2007-02-14 | Koninklijke Philips Electronics N.V. | System for copy protection of recorded information |
WO2000030101A1 (en) * | 1998-11-17 | 2000-05-25 | Koninklijke Philips Electronics N.V. | Embedding and extracting supplemental data in an information signal |
US6363149B1 (en) * | 1999-10-01 | 2002-03-26 | Sony Corporation | Method and apparatus for accessing stored digital programs |
PL342815A1 (en) * | 1999-01-13 | 2001-07-02 | Koninkl Philips Electronics Nv | Placement of supplementary data in an encoded signal |
US6697489B1 (en) * | 1999-03-30 | 2004-02-24 | Sony Corporation | Method and apparatus for securing control words |
JP2003507974A (ja) * | 1999-08-24 | 2003-02-25 | ゼネラル インスツルメント コーポレーション | Ecm抑制を使用した予め暗号化されたコンテンツのオン・デマンド配信の安全を確保するためのシステム及びメソッド |
EP1100266A3 (en) * | 1999-11-10 | 2004-10-06 | Hughes Electronics Corporation | Method and apparatus for background caching of encrypted programming data for later playback |
WO2001047265A1 (en) * | 1999-12-22 | 2001-06-28 | Koninklijke Philips Electronics N.V. | Conditional access system for controlling the access to a data content |
JP4880158B2 (ja) * | 1999-12-22 | 2012-02-22 | イルデト アイントホーフェン ベー フェー | データコンテンツへのアクセスを制御する条件付きアクセスシステム |
CN1237536C (zh) * | 2000-05-22 | 2006-01-18 | 皇家菲利浦电子有限公司 | 在信息信号中嵌入水印的方法和设备 |
EP1290885B1 (en) * | 2000-05-22 | 2013-07-10 | NDS Limited | Secure digital content delivery system and method over a broadcast network |
HU229588B1 (hu) * | 2000-07-07 | 2014-02-28 | Koninkl Philips Electronics Nv | Adathordozó, lejátszó berendezés és információs rendszer az adathordozóval és lejátszó berendezéssel |
WO2002063850A2 (en) * | 2000-10-26 | 2002-08-15 | General Instrument Corporation | Ecm and emm distribution for multimedia multicast content |
US7995603B2 (en) * | 2001-05-22 | 2011-08-09 | Nds Limited | Secure digital content delivery system and method over a broadcast network |
CN1311456C (zh) * | 2001-07-19 | 2007-04-18 | 皇家菲利浦电子有限公司 | 用于再生用户数据的设备和方法 |
WO2003090463A2 (en) * | 2002-04-19 | 2003-10-30 | Koninklijke Philips Electronics N.V. | Conditional access system and apparatus |
-
2003
- 2003-05-27 WO PCT/IB2003/002341 patent/WO2003107670A1/en active Application Filing
- 2003-05-27 JP JP2004514342A patent/JP2006512793A/ja active Pending
- 2003-05-27 DE DE60327629T patent/DE60327629D1/de not_active Expired - Fee Related
- 2003-05-27 CN CN03813459A patent/CN100588245C/zh not_active Expired - Fee Related
- 2003-05-27 US US10/517,479 patent/US20060072611A1/en not_active Abandoned
- 2003-05-27 AT AT03727856T patent/ATE431678T1/de not_active IP Right Cessation
- 2003-05-27 AU AU2003233104A patent/AU2003233104A1/en not_active Abandoned
- 2003-05-27 EP EP03727856A patent/EP1516488B1/en not_active Expired - Lifetime
- 2003-05-27 KR KR10-2004-7020159A patent/KR20050010042A/ko not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101317452B (zh) * | 2005-12-09 | 2011-06-08 | 韩国电子通信研究院 | 用于根据地面数字多媒体广播的条件存取来编码视频、音频和附加数据的设备和方法以及利用其的条件存取系统 |
Also Published As
Publication number | Publication date |
---|---|
JP2006512793A (ja) | 2006-04-13 |
ATE431678T1 (de) | 2009-05-15 |
AU2003233104A1 (en) | 2003-12-31 |
WO2003107670A1 (en) | 2003-12-24 |
EP1516488A1 (en) | 2005-03-23 |
EP1516488B1 (en) | 2009-05-13 |
DE60327629D1 (de) | 2009-06-25 |
US20060072611A1 (en) | 2006-04-06 |
CN100588245C (zh) | 2010-02-03 |
KR20050010042A (ko) | 2005-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: IRDETO EINDHOVEN COMPANY Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070511 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070511 Address after: Holland Hoofddorp Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
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