NO912179D0 - Transmisjonsstyrings-fremgangsmaate og -anordning for en tv-program-kringkastingsinstallasjon med betinget tilgang. - Google Patents
Transmisjonsstyrings-fremgangsmaate og -anordning for en tv-program-kringkastingsinstallasjon med betinget tilgang.Info
- Publication number
- NO912179D0 NO912179D0 NO912179A NO912179A NO912179D0 NO 912179 D0 NO912179 D0 NO 912179D0 NO 912179 A NO912179 A NO 912179A NO 912179 A NO912179 A NO 912179A NO 912179 D0 NO912179 D0 NO 912179D0
- Authority
- NO
- Norway
- Prior art keywords
- terms
- conditions
- transmission control
- control procedure
- program broadcast
- Prior art date
Links
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
- 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
- H04N21/45—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Studio Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9007165A FR2663179B1 (fr) | 1990-06-08 | 1990-06-08 | Procede et dispositif transcontroleurs pour installation de diffusion de programmes de television a acces conditionnel. |
Publications (4)
Publication Number | Publication Date |
---|---|
NO912179D0 true NO912179D0 (no) | 1991-06-06 |
NO912179L NO912179L (no) | 1991-12-09 |
NO178650B NO178650B (no) | 1996-01-22 |
NO178650C NO178650C (no) | 1996-05-02 |
Family
ID=9397424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO912179A NO178650C (no) | 1990-06-08 | 1991-06-06 | Fremgangsmåte og anordning for transmisjonsstyring for en TV-programkringkastningsstasjon med betinget tilgang |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0461029B1 (no) |
JP (1) | JPH0795725B2 (no) |
AU (1) | AU636039B2 (no) |
DE (1) | DE69108781D1 (no) |
FI (1) | FI912752A (no) |
FR (1) | FR2663179B1 (no) |
NO (1) | NO178650C (no) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI97928C (fi) * | 1994-03-21 | 1997-03-10 | Nokia Technology Gmbh | Menetelmä digitaalisessa muodossa siirrettävän televisiolähetyksen salaamiseksi |
FR2718594B1 (fr) * | 1994-04-06 | 1996-04-26 | France Telecom | Procédé de diffusion de programmes à accès conditionnel progressif et à séparation du flux d'information. |
EP1244306B1 (en) | 1994-07-08 | 2008-02-06 | Sony Corporation | Receiving controlled-access broadcast signals for more than one playback |
FR2729521A1 (fr) * | 1995-01-17 | 1996-07-19 | Thomson Consumer Electronics | Procede de protection des messages de gestion d'un systeme de controle d'acces et dispositif pour sa mise en oeuvre |
FR2730116A1 (fr) * | 1995-01-31 | 1996-08-02 | Thomson Broadband Systems | Systeme de deport d'un embrouilleur de signal de television |
FR2732537B1 (fr) * | 1995-03-31 | 1997-06-13 | Canal Plus Sa | Procede et installation d'enregistrement d'informations numeriques cryptees |
FR2750554B1 (fr) * | 1996-06-28 | 1998-08-14 | Thomson Multimedia Sa | Systeme a acces conditionnel et carte a puce permettant un tel acces |
DE19630707A1 (de) * | 1996-07-30 | 1998-02-05 | Deutsche Telekom Ag | Verfahren und Anordnungen zur Vermeidung unberechtiger Benutzung von Verteilernetzen |
FR2752655B1 (fr) * | 1996-08-20 | 1998-09-18 | France Telecom | Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire |
US5937067A (en) * | 1996-11-12 | 1999-08-10 | Scientific-Atlanta, Inc. | Apparatus and method for local encryption control of a global transport data stream |
FR2755810B1 (fr) * | 1996-11-14 | 1998-12-31 | Thomson Multimedia Sa | Procede de certification de donnees par embrouillage et systeme de certification utilisant un tel procede |
EP0858184A3 (en) | 1997-02-07 | 1999-09-01 | Nds Limited | Digital recording protection system |
FR2769779B1 (fr) * | 1997-10-14 | 1999-11-12 | Thomson Multimedia Sa | Procede de controle d'acces a un reseau domestique et dispositif mettant en oeuvre le procede |
IL123554A (en) * | 1998-03-04 | 2003-01-12 | Nds Ltd | Key delivery in a secure broadcasting system |
DZ3379A1 (fr) * | 2000-01-28 | 2001-08-02 | Nagracard Sa | Procede et systeme de transmission d'informations de decryptage |
GB2374998B (en) | 2000-05-22 | 2004-10-13 | Nds Ltd | Dynamically shifting control word |
FR2831360B1 (fr) * | 2001-10-19 | 2004-02-06 | Viaccess Sa | Protocole interactif de gestion a distance du controle d'acces a des informations embrouillees |
CA2518075C (en) | 2003-03-04 | 2014-04-01 | Gamelogic, Inc. | Conditional access system and method |
JP4536091B2 (ja) * | 2007-07-30 | 2010-09-01 | 日本放送協会 | 限定受信方式の処理装置及び処理方法 |
JP4536092B2 (ja) * | 2007-07-30 | 2010-09-01 | 日本放送協会 | 限定受信方式の処理装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU618285B2 (en) * | 1987-09-14 | 1991-12-19 | British Telecommunications Public Limited Company | Method of communicating digital signals and receiver for use with such method |
GB2214677B (en) * | 1988-01-26 | 1991-06-26 | Philips Electronic Associated | Decoding transmitted scrambled signals |
JPH01246979A (ja) * | 1988-03-29 | 1989-10-02 | Kondeishiyonaru Akusesu Technol Kenkyusho:Kk | 有料番組分配装置及び暗号鍵の分配方法 |
NL8900307A (nl) * | 1989-02-08 | 1990-09-03 | Philips Nv | Publiek communicatiesysteem met gedistribueerde stations, alsmede station en substations voor gebruik in zo een communicatiesysteem. |
-
1990
- 1990-06-08 FR FR9007165A patent/FR2663179B1/fr not_active Expired - Lifetime
-
1991
- 1991-06-05 DE DE69108781T patent/DE69108781D1/de not_active Expired - Lifetime
- 1991-06-05 EP EP91401466A patent/EP0461029B1/fr not_active Expired - Lifetime
- 1991-06-06 NO NO912179A patent/NO178650C/no unknown
- 1991-06-07 FI FI912752A patent/FI912752A/fi not_active Application Discontinuation
- 1991-06-07 AU AU78285/91A patent/AU636039B2/en not_active Ceased
- 1991-06-10 JP JP3164957A patent/JPH0795725B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU7828591A (en) | 1991-12-12 |
NO178650C (no) | 1996-05-02 |
FR2663179B1 (fr) | 1992-09-11 |
NO912179L (no) | 1991-12-09 |
AU636039B2 (en) | 1993-04-08 |
FR2663179A1 (fr) | 1991-12-13 |
JPH04233345A (ja) | 1992-08-21 |
FI912752A0 (fi) | 1991-06-07 |
FI912752A (fi) | 1991-12-09 |
JPH0795725B2 (ja) | 1995-10-11 |
DE69108781D1 (de) | 1995-05-18 |
EP0461029B1 (fr) | 1995-04-12 |
EP0461029A1 (fr) | 1991-12-11 |
NO178650B (no) | 1996-01-22 |
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