DE69525170D1 - System mit bedingtem zugang - Google Patents

System mit bedingtem zugang

Info

Publication number
DE69525170D1
DE69525170D1 DE69525170T DE69525170T DE69525170D1 DE 69525170 D1 DE69525170 D1 DE 69525170D1 DE 69525170 T DE69525170 T DE 69525170T DE 69525170 T DE69525170 T DE 69525170T DE 69525170 D1 DE69525170 D1 DE 69525170D1
Authority
DE
Germany
Prior art keywords
access system
conditional access
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.)
Expired - Fee Related
Application number
DE69525170T
Other languages
English (en)
Other versions
DE69525170T2 (de
Inventor
F Newby
Michael V Harding
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.)
Engility LLC
Original Assignee
Titan Corp
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 Titan Corp filed Critical Titan Corp
Publication of DE69525170D1 publication Critical patent/DE69525170D1/de
Application granted granted Critical
Publication of DE69525170T2 publication Critical patent/DE69525170T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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]
    • H04N21/40—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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43607—Interfacing a plurality of external cards, e.g. through a DVB Common Interface [DVB-CI]
    • 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
    • H04N21/43—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
    • H04N21/44—Processing 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
    • H04N21/4405—Processing 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
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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
DE69525170T 1994-09-09 1995-08-17 System mit bedingtem zugang Expired - Fee Related DE69525170T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30340994A 1994-09-09 1994-09-09
PCT/US1995/010571 WO1996008912A2 (en) 1994-09-09 1995-08-17 Conditional access system

Publications (2)

Publication Number Publication Date
DE69525170D1 true DE69525170D1 (de) 2002-03-14
DE69525170T2 DE69525170T2 (de) 2002-10-10

Family

ID=23171941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69525170T Expired - Fee Related DE69525170T2 (de) 1994-09-09 1995-08-17 System mit bedingtem zugang

Country Status (7)

Country Link
US (3) US5796829A (de)
EP (1) EP0787391B1 (de)
AU (1) AU4461996A (de)
CA (1) CA2199526C (de)
DE (1) DE69525170T2 (de)
ES (1) ES2171568T3 (de)
WO (1) WO1996008912A2 (de)

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* Cited by examiner, † Cited by third party
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Also Published As

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EP0787391A1 (de) 1997-08-06
EP0787391B1 (de) 2002-01-23
CA2199526C (en) 2005-04-12
DE69525170T2 (de) 2002-10-10
AU4461996A (en) 1996-03-29
ES2171568T3 (es) 2002-09-16
CA2199526A1 (en) 1996-03-21
WO1996008912A2 (en) 1996-03-21
WO1996008912A3 (en) 1996-06-06
US6115821A (en) 2000-09-05
US6108422A (en) 2000-08-22
EP0787391A4 (de) 1998-04-08
US5796829A (en) 1998-08-18

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