BR9602980A - Aparelho para recepção de uma aplicação executável transmitida em módulos método para processar aplicações executáveis aparelho para transmitir aplicações executáveis e método para transmitir aplicações executáveis - Google Patents

Aparelho para recepção de uma aplicação executável transmitida em módulos método para processar aplicações executáveis aparelho para transmitir aplicações executáveis e método para transmitir aplicações executáveis

Info

Publication number
BR9602980A
BR9602980A BR9602980A BR9602980A BR9602980A BR 9602980 A BR9602980 A BR 9602980A BR 9602980 A BR9602980 A BR 9602980A BR 9602980 A BR9602980 A BR 9602980A BR 9602980 A BR9602980 A BR 9602980A
Authority
BR
Brazil
Prior art keywords
executable
executable applications
transmitting
applications
receiving
Prior art date
Application number
BR9602980A
Other languages
English (en)
Inventor
Pankaj Rohatgi
Vincent Dureau
Original Assignee
Thomson Consumer Electronics
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 Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of BR9602980A publication Critical patent/BR9602980A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • 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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2351—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data
    • 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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • 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
    • H04N21/23614—Multiplexing of additional data and video streams
    • H04N21/23617—Multiplexing of additional data and video streams by inserting additional data into a data carousel, e.g. inserting software modules into a DVB carousel
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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 programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8166—Monomedia components thereof involving executable data, e.g. software
    • 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)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
BR9602980A 1995-07-07 1996-07-04 Aparelho para recepção de uma aplicação executável transmitida em módulos método para processar aplicações executáveis aparelho para transmitir aplicações executáveis e método para transmitir aplicações executáveis BR9602980A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/499,280 US5625693A (en) 1995-07-07 1995-07-07 Apparatus and method for authenticating transmitting applications in an interactive TV system

Publications (1)

Publication Number Publication Date
BR9602980A true BR9602980A (pt) 1998-01-06

Family

ID=23984623

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9602980A BR9602980A (pt) 1995-07-07 1996-07-04 Aparelho para recepção de uma aplicação executável transmitida em módulos método para processar aplicações executáveis aparelho para transmitir aplicações executáveis e método para transmitir aplicações executáveis

Country Status (10)

Country Link
US (1) US5625693A (pt)
EP (1) EP0752786B1 (pt)
JP (1) JP3847846B2 (pt)
KR (1) KR100403375B1 (pt)
CN (1) CN1150762C (pt)
BR (1) BR9602980A (pt)
DE (1) DE69606673T2 (pt)
ES (1) ES2143111T3 (pt)
MX (1) MX9602655A (pt)
TR (1) TR199600564A2 (pt)

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EP0752786A1 (en) 1997-01-08
KR970009355A (ko) 1997-02-24
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JP3847846B2 (ja) 2006-11-22
DE69606673D1 (de) 2000-03-23
EP0752786B1 (en) 2000-02-16
KR100403375B1 (ko) 2004-02-05
US5625693A (en) 1997-04-29
TR199600564A2 (tr) 1997-01-21
CN1146122A (zh) 1997-03-26

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