NO900998L - Styresystem for styrt gjenopprettelse av omkastede programmer som kringkastes over flere rettsgyldighetsomraader. - Google Patents

Styresystem for styrt gjenopprettelse av omkastede programmer som kringkastes over flere rettsgyldighetsomraader.

Info

Publication number
NO900998L
NO900998L NO90900998A NO900998A NO900998L NO 900998 L NO900998 L NO 900998L NO 90900998 A NO90900998 A NO 90900998A NO 900998 A NO900998 A NO 900998A NO 900998 L NO900998 L NO 900998L
Authority
NO
Norway
Prior art keywords
jurisdiction
descrambling
jurisdictions
authorization
descramblers
Prior art date
Application number
NO90900998A
Other languages
English (en)
Other versions
NO177290C (no
NO177290B (no
NO900998D0 (no
Inventor
Christopher John Bennett
Original Assignee
Gen Instrument 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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of NO900998D0 publication Critical patent/NO900998D0/no
Publication of NO900998L publication Critical patent/NO900998L/no
Publication of NO177290B publication Critical patent/NO177290B/no
Publication of NO177290C publication Critical patent/NO177290C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Radio Relay Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Paper (AREA)
NO900998A 1989-03-06 1990-03-02 Styresystem og fremgangsmåte for styrt gjenopprettelse i flere rettsgyldighetsområder av kringkastede, omkastede programmer, samt gjenoppretter og kringkastingsutstyr for anvendelse i styresystemet NO177290C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/319,540 US4989245A (en) 1989-03-06 1989-03-06 Controlled authorization of descrambling of scrambled programs broadcast between different jurisdictions

Publications (4)

Publication Number Publication Date
NO900998D0 NO900998D0 (no) 1990-03-02
NO900998L true NO900998L (no) 1990-09-07
NO177290B NO177290B (no) 1995-05-08
NO177290C NO177290C (no) 1995-08-16

Family

ID=23242675

Family Applications (1)

Application Number Title Priority Date Filing Date
NO900998A NO177290C (no) 1989-03-06 1990-03-02 Styresystem og fremgangsmåte for styrt gjenopprettelse i flere rettsgyldighetsområder av kringkastede, omkastede programmer, samt gjenoppretter og kringkastingsutstyr for anvendelse i styresystemet

Country Status (13)

Country Link
US (1) US4989245A (no)
EP (1) EP0386903B1 (no)
JP (1) JP2732696B2 (no)
KR (1) KR930011967B1 (no)
AT (1) ATE122520T1 (no)
AU (1) AU612925B2 (no)
CA (1) CA2010944C (no)
DE (1) DE69019203T2 (no)
DK (1) DK0386903T3 (no)
ES (1) ES2071008T3 (no)
IE (1) IE62822B1 (no)
MX (1) MX165407B (no)
NO (1) NO177290C (no)

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US7218738B2 (en) * 2002-01-02 2007-05-15 Sony Corporation Encryption and content control in a digital broadcast system
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US7724907B2 (en) * 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
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US8645988B2 (en) * 2002-12-13 2014-02-04 Sony Corporation Content personalization for digital content
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US7292692B2 (en) * 2003-03-25 2007-11-06 Sony Corporation Content scrambling with minimal impact on legacy devices
US20070124602A1 (en) * 2003-06-17 2007-05-31 Stephanie Wald Multimedia storage and access protocol
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Also Published As

Publication number Publication date
CA2010944C (en) 1993-12-21
DE69019203D1 (de) 1995-06-14
DK0386903T3 (da) 1995-07-10
JPH02284537A (ja) 1990-11-21
MX165407B (es) 1992-11-10
EP0386903A1 (en) 1990-09-12
IE62822B1 (en) 1995-03-08
NO177290C (no) 1995-08-16
NO177290B (no) 1995-05-08
IE900640L (en) 1990-09-06
US4989245A (en) 1991-01-29
AU5055590A (en) 1990-09-13
AU612925B2 (en) 1991-07-18
EP0386903B1 (en) 1995-05-10
DE69019203T2 (de) 1995-09-07
ES2071008T3 (es) 1995-06-16
ATE122520T1 (de) 1995-05-15
KR900015490A (ko) 1990-10-27
CA2010944A1 (en) 1990-09-06
NO900998D0 (no) 1990-03-02
JP2732696B2 (ja) 1998-03-30
KR930011967B1 (ko) 1993-12-23

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