AT181196T - A system for cooperation with a satellite transponder - Google Patents

A system for cooperation with a satellite transponder

Info

Publication number
AT181196T
AT181196T AT95109966T AT95109966T AT181196T AT 181196 T AT181196 T AT 181196T AT 95109966 T AT95109966 T AT 95109966T AT 95109966 T AT95109966 T AT 95109966T AT 181196 T AT181196 T AT 181196T
Authority
AT
Austria
Prior art keywords
cooperation
system
satellite transponder
transponder
satellite
Prior art date
Application number
AT95109966T
Other languages
German (de)
Inventor
Keith Gammie
Robert K Yoneda
Arthur Woo
Wayne Sheldrick
Original Assignee
Scientific Atlanta
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
Priority to US07/677,460 priority Critical patent/US5237610A/en
Application filed by Scientific Atlanta filed Critical Scientific Atlanta
Publication of AT181196T publication Critical patent/AT181196T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/462Content 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
    • H04N21/4623Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/20Adaptations for transmission via a GHz frequency band, e.g. via satellite
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • H04N5/4401Receiver circuitry for the reception of a digital modulated video signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • H04N5/46Receiver circuitry for receiving on more than one standard at will
AT95109966T 1990-02-01 1992-03-27 A system for cooperation with a satellite transponder AT181196T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/677,460 US5237610A (en) 1990-02-01 1991-03-29 Independent external security module for a digitally upgradeable television signal decoder

Publications (1)

Publication Number Publication Date
AT181196T true AT181196T (en) 1999-06-15

Family

ID=24718797

Family Applications (3)

Application Number Title Priority Date Filing Date
AT95109966T AT181196T (en) 1990-02-01 1992-03-27 A system for cooperation with a satellite transponder
AT92302675T AT144670T (en) 1990-02-01 1992-03-27 Independent external security module for a digital television signal expandable dekoder
AT95109967T AT180373T (en) 1990-02-01 1992-03-27 Reception apparatus and method

Family Applications After (2)

Application Number Title Priority Date Filing Date
AT92302675T AT144670T (en) 1990-02-01 1992-03-27 Independent external security module for a digital television signal expandable dekoder
AT95109967T AT180373T (en) 1990-02-01 1992-03-27 Reception apparatus and method

Country Status (10)

Country Link
US (1) US5237610A (en)
EP (3) EP0506435B1 (en)
JP (1) JP3476481B2 (en)
CN (1) CN1030955C (en)
AT (3) AT181196T (en)
BR (1) BR9201106A (en)
DE (6) DE69229235D1 (en)
MY (1) MY131301A (en)
PH (1) PH31140A (en)
SG (1) SG44801A1 (en)

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