NO963995D0 - Fremgangsmåte til kringkasting av programmer med gradvis betinget aksess med informasjonsflytseparasjon og mottaker for slike - Google Patents

Fremgangsmåte til kringkasting av programmer med gradvis betinget aksess med informasjonsflytseparasjon og mottaker for slike

Info

Publication number
NO963995D0
NO963995D0 NO963995A NO963995A NO963995D0 NO 963995 D0 NO963995 D0 NO 963995D0 NO 963995 A NO963995 A NO 963995A NO 963995 A NO963995 A NO 963995A NO 963995 D0 NO963995 D0 NO 963995D0
Authority
NO
Norway
Prior art keywords
receiver
procedure
information flow
flow separation
broadcasting programs
Prior art date
Application number
NO963995A
Other languages
English (en)
Other versions
NO311479B1 (no
NO963995L (no
Inventor
Jean-Luc Giachetti
Louis Guillou
Jean-Claude Pacaud
Original Assignee
France Telecom
Telediffusion Fse
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 France Telecom, Telediffusion Fse filed Critical France Telecom
Publication of NO963995D0 publication Critical patent/NO963995D0/no
Publication of NO963995L publication Critical patent/NO963995L/no
Publication of NO311479B1 publication Critical patent/NO311479B1/no

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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)
  • Time-Division Multiplex Systems (AREA)
NO19963995A 1994-04-06 1996-09-23 Fremgangsmåte til kringkasting av programmer med gradvis betinget aksess og med dataströmseparasjon samt mottaker for disse NO311479B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9404012A FR2718594B1 (fr) 1994-04-06 1994-04-06 Procédé de diffusion de programmes à accès conditionnel progressif et à séparation du flux d'information.
PCT/FR1995/000435 WO1995028058A1 (fr) 1994-04-06 1995-04-05 Procede de diffusion de programmes a acces conditionnel progressif et a separation du flux d'information et recepteur correspondant

Publications (3)

Publication Number Publication Date
NO963995D0 true NO963995D0 (no) 1996-09-23
NO963995L NO963995L (no) 1996-12-06
NO311479B1 NO311479B1 (no) 2001-11-26

Family

ID=9461769

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19963995A NO311479B1 (no) 1994-04-06 1996-09-23 Fremgangsmåte til kringkasting av programmer med gradvis betinget aksess og med dataströmseparasjon samt mottaker for disse

Country Status (6)

Country Link
US (1) US5742681A (no)
EP (1) EP0754391B1 (no)
DE (1) DE69505652T2 (no)
FR (1) FR2718594B1 (no)
NO (1) NO311479B1 (no)
WO (1) WO1995028058A1 (no)

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US6020189A (en) * 1996-08-30 2000-02-01 The Johns Hopkins University School Of Medicine Fibroblast growth factor homologous factors (FHFs) and methods of use
US7515712B2 (en) * 1997-08-01 2009-04-07 Cisco Technology, Inc. Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system
KR100252972B1 (ko) * 1997-12-31 2000-04-15 구자홍 한정수신 시스템
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DE10001097A1 (de) * 2000-01-13 2001-07-19 Scm Microsystems Gmbh Elektronisches Zahlungssystem für Dienste, Software und multimediale Inhalte
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US7218738B2 (en) * 2002-01-02 2007-05-15 Sony Corporation Encryption and content control in a digital broadcast system
US8051443B2 (en) 2002-01-02 2011-11-01 Sony Corporation Content replacement by PID mapping
CN100435580C (zh) * 2002-01-02 2008-11-19 索尼电子有限公司 对部分加密的信息的解码和解密
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
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US7376233B2 (en) * 2002-01-02 2008-05-20 Sony Corporation Video slice and active region based multiple partial encryption
US7155012B2 (en) * 2002-01-02 2006-12-26 Sony Corporation Slice mask and moat pattern partial encryption
US7039938B2 (en) * 2002-01-02 2006-05-02 Sony Corporation Selective encryption for video on demand
US7292690B2 (en) 2002-01-02 2007-11-06 Sony Corporation Video scene change detection
US7765567B2 (en) 2002-01-02 2010-07-27 Sony Corporation Content replacement by PID mapping
US7302059B2 (en) * 2002-01-02 2007-11-27 Sony Corporation Star pattern partial encryption
US20090180025A1 (en) * 2002-05-28 2009-07-16 Sony Corporation Method and apparatus for overlaying graphics on video
US7530084B2 (en) * 2002-05-28 2009-05-05 Sony Corporation Method and apparatus for synchronizing dynamic graphics
US7317797B2 (en) * 2002-06-07 2008-01-08 General Instrument Corporation Seamless switching between multiple pre-encrypted video files
US8818896B2 (en) 2002-09-09 2014-08-26 Sony Corporation Selective encryption with coverage encryption
US8572408B2 (en) * 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
US7724907B2 (en) 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
US8645988B2 (en) * 2002-12-13 2014-02-04 Sony Corporation Content personalization for digital content
US8667525B2 (en) * 2002-12-13 2014-03-04 Sony Corporation Targeted advertisement selection from a digital stream
US20040165586A1 (en) * 2003-02-24 2004-08-26 Read Christopher Jensen PID filters based network routing
US7409702B2 (en) * 2003-03-20 2008-08-05 Sony Corporation Auxiliary program association table
US7292692B2 (en) * 2003-03-25 2007-11-06 Sony Corporation Content scrambling with minimal impact on legacy devices
US20050036067A1 (en) * 2003-08-05 2005-02-17 Ryal Kim Annon Variable perspective view of video images
US7286667B1 (en) 2003-09-15 2007-10-23 Sony Corporation Decryption system
US20050066357A1 (en) * 2003-09-22 2005-03-24 Ryal Kim Annon Modifying content rating
US7346163B2 (en) * 2003-10-31 2008-03-18 Sony Corporation Dynamic composition of pre-encrypted video on demand content
US7263187B2 (en) * 2003-10-31 2007-08-28 Sony Corporation Batch mode session-based encryption of video on demand content
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FR2663179B1 (fr) * 1990-06-08 1992-09-11 Matra Communication Procede et dispositif transcontroleurs pour installation de diffusion de programmes de television a acces conditionnel.
FR2694860B1 (fr) * 1992-08-13 1994-09-30 France Telecom Procédés de diffusion et de réception de programmes de télévision à accès conditionnel à temps de commutation de programmes réduit.
FR2700092B1 (fr) * 1992-12-29 1995-02-03 France Telecom Procédé de diffusion de programmes à accès conditionnel permettant un accès progressif et procédé d'accès progressif à de tels programmes.
US5517502A (en) * 1995-03-02 1996-05-14 Zenith Electronics Corp. Upstream transmission using multiple transmission tags and downstream acknowledgements in conditional access packets

Also Published As

Publication number Publication date
DE69505652D1 (de) 1998-12-03
FR2718594A1 (fr) 1995-10-13
WO1995028058A1 (fr) 1995-10-19
EP0754391B1 (fr) 1998-10-28
NO311479B1 (no) 2001-11-26
US5742681A (en) 1998-04-21
EP0754391A1 (fr) 1997-01-22
NO963995L (no) 1996-12-06
DE69505652T2 (de) 1999-06-17
FR2718594B1 (fr) 1996-04-26

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