AU2001269946A1 - Broadcasted scrambling and descrambling systems and methods - Google Patents

Broadcasted scrambling and descrambling systems and methods

Info

Publication number
AU2001269946A1
AU2001269946A1 AU2001269946A AU6994601A AU2001269946A1 AU 2001269946 A1 AU2001269946 A1 AU 2001269946A1 AU 2001269946 A AU2001269946 A AU 2001269946A AU 6994601 A AU6994601 A AU 6994601A AU 2001269946 A1 AU2001269946 A1 AU 2001269946A1
Authority
AU
Australia
Prior art keywords
scrambling
broadcasted
methods
descrambling systems
descrambling
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.)
Abandoned
Application number
AU2001269946A
Inventor
James J Carides
Charles Henry
James T. Pittman
Cynthnia L. Thompson
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.)
Quebecor World USA Inc
Original Assignee
Quebecor World USA 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 Quebecor World USA Inc filed Critical Quebecor World USA Inc
Publication of AU2001269946A1 publication Critical patent/AU2001269946A1/en
Abandoned 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
    • H04N21/44—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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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
    • H04N7/171—Systems operating in the amplitude domain of the television signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AU2001269946A 2000-07-07 2001-06-20 Broadcasted scrambling and descrambling systems and methods Abandoned AU2001269946A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US61154300A 2000-07-07 2000-07-07
US09611543 2000-07-07
PCT/US2001/019671 WO2002005556A1 (en) 2000-07-07 2001-06-20 Broadcasted scrambling and descrambling systems and methods

Publications (1)

Publication Number Publication Date
AU2001269946A1 true AU2001269946A1 (en) 2002-01-21

Family

ID=24449446

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001269946A Abandoned AU2001269946A1 (en) 2000-07-07 2001-06-20 Broadcasted scrambling and descrambling systems and methods

Country Status (4)

Country Link
EP (1) EP1300015A1 (en)
AU (1) AU2001269946A1 (en)
CA (1) CA2415373A1 (en)
WO (1) WO2002005556A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100791938B1 (en) * 2006-10-14 2008-01-04 주식회사 아이엠에스원 Magic code for marketing and multimedia using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL78541A (en) * 1986-04-18 1989-09-28 Rotlex Optics Ltd Method and apparatus for encryption of optical images
US6198822B1 (en) * 1998-02-11 2001-03-06 Ictv, Inc. Enhanced scrambling of slowly changing video signals
US5984367A (en) * 1998-05-20 1999-11-16 Thomas L. Barnhart Hidden image game piece

Also Published As

Publication number Publication date
EP1300015A1 (en) 2003-04-09
WO2002005556A1 (en) 2002-01-17
CA2415373A1 (en) 2002-01-17

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