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
  • H04N21/44—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
  • H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/76—Television signal recording
  • H04N5/91—Television signal processing therefor
  • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
• • 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
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/76—Television signal recording
  • H04N5/91—Television signal processing therefor
  • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
  • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
  • H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Computer Security & Cryptography (AREA)
• Television Systems (AREA)
• Television Signal Processing For Recording (AREA)
• Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
• Color Television Systems (AREA)
• Synchronizing For Television (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7766663

Family Applications (1)

Country Status (9)

Families Citing this family (2)

Family Cites Families (8)

• 1995
  • 1995-07-12 DE DE19525425A patent/DE19525425C1/de not_active Expired - Fee Related
• 1996
  • 1996-04-11 CN CN96195448A patent/CN1097391C/zh not_active Expired - Lifetime
  • 1996-04-11 EP EP96908025A patent/EP0838118B1/de not_active Expired - Lifetime
  • 1996-04-11 DE DE59601016T patent/DE59601016D1/de not_active Expired - Lifetime
  • 1996-04-11 WO PCT/DE1996/000639 patent/WO1997003519A1/de active IP Right Grant
  • 1996-04-11 ES ES96908025T patent/ES2127630T3/es not_active Expired - Lifetime
  • 1996-04-11 JP JP9505394A patent/JPH11509059A/ja not_active Withdrawn
  • 1996-04-11 KR KR10-1998-0700202A patent/KR100411773B1/ko not_active Expired - Lifetime
  • 1996-04-16 IN IN693CA1996 patent/IN188993B/en unknown
  • 1996-07-12 AR ARP960103563A patent/AR002826A1/es unknown

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