DE69221301D1 - Verfahren und Dekodieren zur Auswertung zugriffssteuerungsbezogener Daten - Google Patents

Verfahren und Dekodieren zur Auswertung zugriffssteuerungsbezogener Daten

Info

Publication number
DE69221301D1
DE69221301D1 DE69221301T DE69221301T DE69221301D1 DE 69221301 D1 DE69221301 D1 DE 69221301D1 DE 69221301 T DE69221301 T DE 69221301T DE 69221301 T DE69221301 T DE 69221301T DE 69221301 D1 DE69221301 D1 DE 69221301D1
Authority
DE
Germany
Prior art keywords
channel
programme
data
entitlements
decoder
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
Application number
DE69221301T
Other languages
English (en)
Other versions
DE69221301T2 (de
Inventor
Eric Diehl
Joel Harmon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Application granted granted Critical
Publication of DE69221301D1 publication Critical patent/DE69221301D1/de
Publication of DE69221301T2 publication Critical patent/DE69221301T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N21/25—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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)
  • Executing Machine-Instructions (AREA)
  • Selective Calling Equipment (AREA)
  • Error Detection And Correction (AREA)
DE69221301T 1992-09-14 1992-09-14 Verfahren und Dekodieren zur Auswertung zugriffssteuerungsbezogener Daten Expired - Lifetime DE69221301T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92402504A EP0589111B1 (de) 1992-09-14 1992-09-14 Verfahren und Dekodieren zur Auswertung zugriffssteuerungsbezogener Daten

Publications (2)

Publication Number Publication Date
DE69221301D1 true DE69221301D1 (de) 1997-09-04
DE69221301T2 DE69221301T2 (de) 1997-11-20

Family

ID=8211709

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221301T Expired - Lifetime DE69221301T2 (de) 1992-09-14 1992-09-14 Verfahren und Dekodieren zur Auswertung zugriffssteuerungsbezogener Daten

Country Status (6)

Country Link
US (1) US5373557A (de)
EP (1) EP0589111B1 (de)
AT (1) ATE156322T1 (de)
DE (1) DE69221301T2 (de)
ES (1) ES2107514T3 (de)
HK (1) HK1009314A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726720B1 (fr) * 1994-11-04 1997-01-03 Thomson Consumer Electronics Procede de detection de connexions de type peritel dans un reseau domotique
US6108365A (en) * 1995-05-05 2000-08-22 Philip A. Rubin And Associates, Inc. GPS data access system
US5621793A (en) * 1995-05-05 1997-04-15 Rubin, Bednarek & Associates, Inc. TV set top box using GPS
US5828402A (en) * 1996-06-19 1998-10-27 Canadian V-Chip Design Inc. Method and apparatus for selectively blocking audio and video signals
US7640571B1 (en) * 1999-07-15 2009-12-29 General Instrument Corporation Method and apparatus for preventing disruptions in set-top terminal function due to the download of updated programming or data to the set-top terminal
GB0012331D0 (en) * 2000-05-23 2000-07-12 Harris Charles G Decoders
WO2002009428A1 (fr) * 2000-07-24 2002-01-31 Nagravision Sa Voie de retour pour decodeur de television a peage
US7196737B1 (en) * 2002-01-25 2007-03-27 Sige Semiconductor Inc. Method of using control loops in a broadband cable tuner
US7689704B2 (en) 2005-08-05 2010-03-30 Global Serv Inc. Methods and arrangements for managing automated switching
US7546374B2 (en) 2005-08-05 2009-06-09 Global Serv Inc. Methods and arrangements for managing and maintaining a switch environment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475123A (en) * 1981-04-02 1984-10-02 Theta-Com., Division Of Texscan Addressable subscriber cable television system
US4471379A (en) * 1981-08-13 1984-09-11 Focus Communications, Inc. Codified field polarity television system
US4503462A (en) * 1981-10-16 1985-03-05 Zenith Electronics Corporation Automatic homing system for a subscription television signal decoder
US4558464A (en) * 1983-06-10 1985-12-10 General Instrument Corporation Address-programmable CATV converter
US5058160A (en) * 1988-04-29 1991-10-15 Scientific-Atlanta, Inc. In-band controller
US5046093A (en) * 1989-09-05 1991-09-03 General Instrument Corporation CATV subscriber apparatus with intelligent remote control
US5231664A (en) * 1991-11-14 1993-07-27 Zenith Electronics Corporation Cable system having multiple barkering

Also Published As

Publication number Publication date
US5373557A (en) 1994-12-13
EP0589111A1 (de) 1994-03-30
EP0589111B1 (de) 1997-07-30
ATE156322T1 (de) 1997-08-15
HK1009314A1 (en) 1999-05-28
DE69221301T2 (de) 1997-11-20
ES2107514T3 (es) 1997-12-01

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8320 Willingness to grant licences declared (paragraph 23)
R071 Expiry of right

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