DE69718199D1 - Verfahren zum verarbeiten eines verschlüsselten videosignals zur erzeugung eines entschlüsselten programmsignals - Google Patents

Verfahren zum verarbeiten eines verschlüsselten videosignals zur erzeugung eines entschlüsselten programmsignals

Info

Publication number
DE69718199D1
DE69718199D1 DE69718199T DE69718199T DE69718199D1 DE 69718199 D1 DE69718199 D1 DE 69718199D1 DE 69718199 T DE69718199 T DE 69718199T DE 69718199 T DE69718199 T DE 69718199T DE 69718199 D1 DE69718199 D1 DE 69718199D1
Authority
DE
Germany
Prior art keywords
encrypted
generate
processing
signal
video signal
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
DE69718199T
Other languages
English (en)
Other versions
DE69718199T2 (de
Inventor
Harold Blatter
Edward Horlander
Elliott Bridgewater
Scott Deiss
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 USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69718199D1 publication Critical patent/DE69718199D1/de
Publication of DE69718199T2 publication Critical patent/DE69718199T2/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
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • 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]
DE69718199T 1996-11-27 1997-10-28 Verfahren zum verarbeiten eines verschlüsselten videosignals zur erzeugung eines entschlüsselten programmsignals Expired - Lifetime DE69718199T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US762483 1996-11-27
US08/762,483 US5878135A (en) 1996-11-27 1996-11-27 Decoding system for processing encrypted broadcast, cable or satellite video data
PCT/US1997/019374 WO1998024236A1 (en) 1996-11-27 1997-10-28 Method of processing encrypted video data for generating decrypted program data

Publications (2)

Publication Number Publication Date
DE69718199D1 true DE69718199D1 (de) 2003-02-06
DE69718199T2 DE69718199T2 (de) 2004-03-25

Family

ID=25065195

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69718199T Expired - Lifetime DE69718199T2 (de) 1996-11-27 1997-10-28 Verfahren zum verarbeiten eines verschlüsselten videosignals zur erzeugung eines entschlüsselten programmsignals

Country Status (13)

Country Link
US (1) US5878135A (de)
EP (1) EP0941610B1 (de)
JP (2) JP4592833B2 (de)
KR (1) KR100474209B1 (de)
CN (1) CN1168312C (de)
AU (1) AU7402398A (de)
BR (1) BR9714318B1 (de)
CA (1) CA2272921C (de)
DE (1) DE69718199T2 (de)
ES (1) ES2189001T3 (de)
MY (1) MY117019A (de)
TW (1) TW376656B (de)
WO (1) WO1998024236A1 (de)

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Also Published As

Publication number Publication date
US5878135A (en) 1999-03-02
CA2272921A1 (en) 1998-06-04
AU7402398A (en) 1998-06-22
KR20000057198A (ko) 2000-09-15
BR9714318B1 (pt) 2011-06-28
JP2010109996A (ja) 2010-05-13
KR100474209B1 (ko) 2005-03-08
WO1998024236A1 (en) 1998-06-04
JP4592833B2 (ja) 2010-12-08
CA2272921C (en) 2006-06-13
EP0941610A1 (de) 1999-09-15
TW376656B (en) 1999-12-11
ES2189001T3 (es) 2003-07-01
CN1168312C (zh) 2004-09-22
EP0941610B1 (de) 2003-01-02
BR9714318A (pt) 2000-02-08
DE69718199T2 (de) 2004-03-25
CN1238886A (zh) 1999-12-15
JP2001507177A (ja) 2001-05-29
MY117019A (en) 2004-04-30

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Owner name: THOMSON MULTIMEDIA INC., INDIANAPOLIS, IND., US

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