DE69622233D1 - Verfahren zur digitalen Zugangskontrolle - Google Patents
Verfahren zur digitalen ZugangskontrolleInfo
- Publication number
- DE69622233D1 DE69622233D1 DE69622233T DE69622233T DE69622233D1 DE 69622233 D1 DE69622233 D1 DE 69622233D1 DE 69622233 T DE69622233 T DE 69622233T DE 69622233 T DE69622233 T DE 69622233T DE 69622233 D1 DE69622233 D1 DE 69622233D1
- Authority
- DE
- Germany
- Prior art keywords
- access control
- control procedures
- digital access
- digital
- procedures
- 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
Links
Classifications
-
- 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
- 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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
-
- 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]
- H04N21/20—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
- H04N21/26606—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 for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- 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, rendering scenes according to MPEG-4 scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22772295 | 1995-09-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69622233D1 true DE69622233D1 (de) | 2002-08-14 |
DE69622233T2 DE69622233T2 (de) | 2003-03-27 |
Family
ID=16865337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69622233T Expired - Lifetime DE69622233T2 (de) | 1995-09-05 | 1996-09-03 | Verfahren zur digitalen Zugangskontrolle |
Country Status (4)
Country | Link |
---|---|
US (1) | US5774548A (de) |
EP (1) | EP0762765B1 (de) |
JP (3) | JP4877421B2 (de) |
DE (1) | DE69622233T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3791720B2 (ja) * | 1997-06-11 | 2006-06-28 | ソニー株式会社 | 伝送装置及び伝送方法 |
US7113523B1 (en) * | 1997-06-11 | 2006-09-26 | Sony Corporation | Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device |
WO1999007151A1 (en) * | 1997-08-01 | 1999-02-11 | Scientific-Atlanta, Inc. | Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system |
ID23916A (id) * | 1997-10-02 | 2000-05-25 | Canal Plus Sa | Metode dan perangkat untuk pemancaran arus data yang disandikan |
RU2000111530A (ru) * | 1997-10-02 | 2002-05-27 | Каналь+Сосьетэ Аноним | Способ и устройство для шифрованной трансляции потока данных |
JP3465813B2 (ja) * | 1997-10-29 | 2003-11-10 | 日本ビクター株式会社 | ディジタル放送受信装置及びディジタル情報記録再生装置 |
EP0926894A1 (de) * | 1997-12-23 | 1999-06-30 | CANAL+ Société Anonyme | Verschlüsselungseinheit für ein digitales Übertragungssystem |
US7257132B1 (en) * | 1998-02-26 | 2007-08-14 | Hitachi, Ltd. | Receiver set, information apparatus and receiving system |
US6888943B1 (en) * | 1998-04-21 | 2005-05-03 | Verance Corporation | Multimedia adaptive scrambling system (MASS) |
US8584255B2 (en) * | 1999-05-05 | 2013-11-12 | Sony United Kingdom Limited | Networked conditional access module |
TW432840B (en) * | 1998-06-03 | 2001-05-01 | Sony Corp | Communication control method, system, and device |
KR100910125B1 (ko) * | 1998-06-17 | 2009-08-03 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 장치 및 주변장치들의 시스템 |
CN1147146C (zh) * | 1999-01-21 | 2004-04-21 | 索尼公司 | 数据处理装置与数据处理方法 |
JP4332249B2 (ja) * | 1999-02-18 | 2009-09-16 | キヤノン株式会社 | ビットストリーム復号化装置、方法及び記憶媒体 |
IL145028A0 (en) * | 1999-03-15 | 2002-06-30 | Thomson Licensing Sa | A global copy protection system for digital home networks |
IL129230A (en) * | 1999-03-29 | 2003-04-10 | Nds Ltd | System for determining successful reception of a message |
JP3692838B2 (ja) * | 1999-06-22 | 2005-09-07 | 日本ビクター株式会社 | 記録方法、再生方法、再生装置及び記録媒体 |
EP1188315A2 (de) * | 1999-12-22 | 2002-03-20 | Koninklijke Philips Electronics N.V. | System mit bedingtem zugriff |
US7146007B1 (en) * | 2000-03-29 | 2006-12-05 | Sony Corporation | Secure conditional access port interface |
US7065213B2 (en) * | 2001-06-29 | 2006-06-20 | Scientific-Atlanta, Inc. | In a subscriber network receiving digital packets and transmitting digital packets below a predetermined maximum bit rate |
TW566041B (en) * | 2001-07-06 | 2003-12-11 | Hitachi Ltd | Digital data recording device and output device |
US8082588B2 (en) * | 2002-03-15 | 2011-12-20 | Nagravision S.A. | Secured storage method of encrypted data on a personal digital recorder |
JP2005523657A (ja) * | 2002-04-19 | 2005-08-04 | 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 | コンディショナル・アクセス・システム及び装置 |
EP1516488B1 (de) * | 2002-06-12 | 2009-05-13 | Irdeto Eindhoven B.V. | Vorrichtung und verfahren mit bedingtem zugang |
US6985530B1 (en) * | 2002-08-20 | 2006-01-10 | The Directv Group, Inc. | Integrated receiver decoder and method for simultaneously transmitting compressed and uncompressed signals |
JP4077689B2 (ja) * | 2002-08-28 | 2008-04-16 | 日本放送協会 | コンテンツ送信方法、コンテンツ送信装置、コンテンツ送信プログラムおよびコンテンツ受信方法、コンテンツ受信装置、コンテンツ受信プログラム |
KR100482287B1 (ko) * | 2002-10-26 | 2005-04-14 | 한국전자통신연구원 | 디지털 데이터 방송을 위한 동기화 스트림 데이터 삽입장치 및 그 방법 |
IL155416A0 (en) * | 2003-04-13 | 2003-11-23 | Nds Ltd | System for securing access to data streams |
DE102010039845A1 (de) * | 2010-08-26 | 2012-03-01 | Robert Bosch Gmbh | Verfahren zum Übertragen von Sensordaten |
KR101377257B1 (ko) | 2013-05-08 | 2014-03-25 | (주)토필드 | 개인용 영상 녹화기, 개인용 영상 녹화기에서 스크램블 상태의 녹화물의 디스크램블링 방법 및 컴퓨터 판독 가능한 기록 매체 |
CN109218792A (zh) * | 2017-06-29 | 2019-01-15 | 上海数字电视国家工程研究中心有限公司 | 解复用方法 |
CN109218248A (zh) * | 2017-06-29 | 2019-01-15 | 上海数字电视国家工程研究中心有限公司 | 解复用系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4471380A (en) * | 1982-03-15 | 1984-09-11 | Scientific-Atlanta, Inc. | Scrambling and descrambling of television signals for subscription TV |
DE3642982A1 (de) * | 1986-12-17 | 1988-06-30 | Thomson Brandt Gmbh | System zur uebertragung |
JP2682030B2 (ja) * | 1988-07-29 | 1997-11-26 | 松下電器産業株式会社 | 信号記録装置 |
JPH03280684A (ja) * | 1990-03-28 | 1991-12-11 | Matsushita Electric Ind Co Ltd | Catv装置 |
US5091938B1 (en) * | 1990-08-06 | 1997-02-04 | Nippon Denki Home Electronics | Digital data cryptographic system |
JPH04286481A (ja) * | 1991-03-15 | 1992-10-12 | Sony Corp | スクランブル信号処理装置 |
JP3172243B2 (ja) * | 1992-03-31 | 2001-06-04 | 株式会社東芝 | 受信装置 |
FR2698510B1 (fr) * | 1992-11-26 | 1994-12-23 | Schlumberger Ind Sa | Réseau de communication. |
JPH06282893A (ja) * | 1993-02-01 | 1994-10-07 | Toshiba Corp | タイマー予約記録装置 |
JP2707950B2 (ja) * | 1993-07-30 | 1998-02-04 | ソニー株式会社 | ディジタル画像情報処理装置 |
CA2175040A1 (en) * | 1993-10-25 | 1995-05-04 | Richard E. Wunderlich | Method and apparatus for providing on demand services in a subscriber system |
JPH07162832A (ja) * | 1993-12-10 | 1995-06-23 | Matsushita Electric Ind Co Ltd | 映像情報伝送装置 |
US5539823A (en) * | 1994-07-27 | 1996-07-23 | General Instrument Corporation Of Delaware | Subscription television picture scrambling and descrambling system providing compatibility with different such systems |
-
1996
- 1996-09-03 DE DE69622233T patent/DE69622233T2/de not_active Expired - Lifetime
- 1996-09-03 EP EP96306376A patent/EP0762765B1/de not_active Expired - Lifetime
- 1996-09-04 US US08/707,530 patent/US5774548A/en not_active Expired - Lifetime
-
2011
- 2011-02-08 JP JP2011024511A patent/JP4877421B2/ja not_active Expired - Lifetime
- 2011-08-15 JP JP2011177401A patent/JP4905603B2/ja not_active Expired - Lifetime
- 2011-11-10 JP JP2011246069A patent/JP2012070416A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5774548A (en) | 1998-06-30 |
JP2012070416A (ja) | 2012-04-05 |
JP2011130485A (ja) | 2011-06-30 |
EP0762765A2 (de) | 1997-03-12 |
EP0762765B1 (de) | 2002-07-10 |
JP4905603B2 (ja) | 2012-03-28 |
DE69622233T2 (de) | 2003-03-27 |
JP4877421B2 (ja) | 2012-02-15 |
JP2012016035A (ja) | 2012-01-19 |
EP0762765A3 (de) | 1999-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |