CA2263753A1 - Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire - Google Patents

Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire

Info

Publication number
CA2263753A1
CA2263753A1 CA002263753A CA2263753A CA2263753A1 CA 2263753 A1 CA2263753 A1 CA 2263753A1 CA 002263753 A CA002263753 A CA 002263753A CA 2263753 A CA2263753 A CA 2263753A CA 2263753 A1 CA2263753 A1 CA 2263753A1
Authority
CA
Canada
Prior art keywords
complementary
allocating
access
equipment
conditional access
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
Application number
CA002263753A
Other languages
English (en)
Other versions
CA2263753C (fr
Inventor
Jean-Pierre Vigarie
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.)
Telediffusion de France ets Public de Diffusion
Orange SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2263753A1 publication Critical patent/CA2263753A1/fr
Application granted granted Critical
Publication of CA2263753C publication Critical patent/CA2263753C/fr
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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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]

Abstract

Selon l'invention, on reçoit le message à l'aide de moyens (102A, 112) pourvus des droits d'accès au programme, on restitue les mots de contrôle, on constitue (102B, 114) des messageries complémentaires de contrôle d'accès et de gestions des titres d'accès correspondant à un système de contrôle d'accès complémentaire et l'on réémet le programme initial non modifié avec, en outre, les messages complémentaires liés au système de contrôle d'accès complémentaire. Application en télévision.
CA002263753A 1996-08-20 1997-08-19 Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire Expired - Lifetime CA2263753C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR96/10302 1996-08-20
FR9610302A FR2752655B1 (fr) 1996-08-20 1996-08-20 Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire
PCT/FR1997/001502 WO1998008341A1 (fr) 1996-08-20 1997-08-19 Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire

Publications (2)

Publication Number Publication Date
CA2263753A1 true CA2263753A1 (fr) 1998-02-26
CA2263753C CA2263753C (fr) 2005-11-08

Family

ID=9495123

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002263753A Expired - Lifetime CA2263753C (fr) 1996-08-20 1997-08-19 Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire

Country Status (7)

Country Link
US (1) US6307939B1 (fr)
EP (1) EP0920777B1 (fr)
CA (1) CA2263753C (fr)
DE (1) DE69726429D1 (fr)
FR (1) FR2752655B1 (fr)
NO (1) NO321956B1 (fr)
WO (1) WO1998008341A1 (fr)

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Also Published As

Publication number Publication date
NO990738L (no) 1999-04-19
FR2752655A1 (fr) 1998-02-27
US6307939B1 (en) 2001-10-23
EP0920777A1 (fr) 1999-06-09
NO990738D0 (no) 1999-02-17
FR2752655B1 (fr) 1998-09-18
EP0920777B1 (fr) 2003-11-26
CA2263753C (fr) 2005-11-08
WO1998008341A1 (fr) 1998-02-26
NO321956B1 (no) 2006-07-31
DE69726429D1 (de) 2004-01-08

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