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DK0775418T3 - Apparatur og fremgangsmåde til omfattende kopibeskyttelse af videoplatforme og ubeskyttet kildemateriale - Google Patents

Apparatur og fremgangsmåde til omfattende kopibeskyttelse af videoplatforme og ubeskyttet kildemateriale

Info

Publication number
DK0775418T3
DK0775418T3 DK95927166T DK95927166T DK0775418T3 DK 0775418 T3 DK0775418 T3 DK 0775418T3 DK 95927166 T DK95927166 T DK 95927166T DK 95927166 T DK95927166 T DK 95927166T DK 0775418 T3 DK0775418 T3 DK 0775418T3
Authority
DK
Denmark
Prior art keywords
copy protection
input
digital
video
signature
Prior art date
Application number
DK95927166T
Other languages
English (en)
Inventor
John O Ryan
Original Assignee
Macrovision 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 Macrovision Corp filed Critical Macrovision Corp
Application granted granted Critical
Publication of DK0775418T3 publication Critical patent/DK0775418T3/da

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • 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
    • 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
    • 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
    • H04N2005/91328—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 management signal, e.g. a copy generation management signal [CGMS]
    • 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
    • H04N2005/91342—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being an authentication signal
    • 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
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Facsimile Transmission Control (AREA)
DK95927166T 1994-07-25 1995-07-12 Apparatur og fremgangsmåde til omfattende kopibeskyttelse af videoplatforme og ubeskyttet kildemateriale DK0775418T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/279,542 US5574787A (en) 1994-07-25 1994-07-25 Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
PCT/US1995/008843 WO1996003835A2 (en) 1994-07-25 1995-07-12 Apparatus and method for comprehensive copy protection for video platforms and unprotected source material

Publications (1)

Publication Number Publication Date
DK0775418T3 true DK0775418T3 (da) 2000-11-13

Family

ID=23069434

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95927166T DK0775418T3 (da) 1994-07-25 1995-07-12 Apparatur og fremgangsmåde til omfattende kopibeskyttelse af videoplatforme og ubeskyttet kildemateriale

Country Status (14)

Country Link
US (1) US5574787A (da)
EP (1) EP0775418B1 (da)
JP (1) JP3217068B2 (da)
KR (1) KR100372598B1 (da)
CN (1) CN1122411C (da)
AT (1) ATE193630T1 (da)
AU (1) AU697727B2 (da)
BR (1) BR9508340A (da)
CA (1) CA2195939C (da)
DE (1) DE69517324T2 (da)
DK (1) DK0775418T3 (da)
MX (1) MX9700577A (da)
NZ (1) NZ290521A (da)
WO (1) WO1996003835A2 (da)

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CN1159272A (zh) 1997-09-10
AU3127695A (en) 1996-02-22
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US5574787A (en) 1996-11-12
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KR100372598B1 (ko) 2003-05-16
WO1996003835A2 (en) 1996-02-08
JPH10503338A (ja) 1998-03-24
MX9700577A (es) 1997-12-31
KR970705138A (ko) 1997-09-06
ATE193630T1 (de) 2000-06-15
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