BR9714318B1 - método de processamento de dados de vìdeo criptografados para geração de dados de programa decriptografados. - Google Patents

método de processamento de dados de vìdeo criptografados para geração de dados de programa decriptografados. Download PDF

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Publication number
BR9714318B1
BR9714318B1 BRPI9714318-9A BR9714318A BR9714318B1 BR 9714318 B1 BR9714318 B1 BR 9714318B1 BR 9714318 A BR9714318 A BR 9714318A BR 9714318 B1 BR9714318 B1 BR 9714318B1
Authority
BR
Brazil
Prior art keywords
data
encrypted
program
diffused
storage
Prior art date
Application number
BRPI9714318-9A
Other languages
English (en)
Portuguese (pt)
Other versions
BR9714318A (pt
Inventor
Harold Blatter
Thomas Edward Horlander
Kevin Elliott Bridgewater
Michael Scott Deiss
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 filed Critical
Publication of BR9714318A publication Critical patent/BR9714318A/pt
Publication of BR9714318B1 publication Critical patent/BR9714318B1/pt

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 or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
BRPI9714318-9A 1996-11-27 1997-10-28 método de processamento de dados de vìdeo criptografados para geração de dados de programa decriptografados. BR9714318B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/762.483 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
BR9714318A BR9714318A (pt) 2000-02-08
BR9714318B1 true BR9714318B1 (pt) 2011-06-28

Family

ID=25065195

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9714318-9A BR9714318B1 (pt) 1996-11-27 1997-10-28 método de processamento de dados de vìdeo criptografados para geração de dados de programa decriptografados.

Country Status (13)

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

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Also Published As

Publication number Publication date
MY117019A (en) 2004-04-30
CN1168312C (zh) 2004-09-22
KR20000057198A (ko) 2000-09-15
BR9714318A (pt) 2000-02-08
DE69718199D1 (de) 2003-02-06
DE69718199T2 (de) 2004-03-25
US5878135A (en) 1999-03-02
AU7402398A (en) 1998-06-22
EP0941610B1 (en) 2003-01-02
JP4592833B2 (ja) 2010-12-08
CA2272921C (en) 2006-06-13
EP0941610A1 (en) 1999-09-15
ES2189001T3 (es) 2003-07-01
CA2272921A1 (en) 1998-06-04
WO1998024236A1 (en) 1998-06-04
KR100474209B1 (ko) 2005-03-08
JP2001507177A (ja) 2001-05-29
JP2010109996A (ja) 2010-05-13
TW376656B (en) 1999-12-11
CN1238886A (zh) 1999-12-15

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 28/06/2011, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 23A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2601 DE 10-11-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.