MX165407B - Autorizacion controlada de decodificacion para programas codificados entre diferentes juridicciones - Google Patents

Autorizacion controlada de decodificacion para programas codificados entre diferentes juridicciones

Info

Publication number
MX165407B
MX165407B MX019760A MX1976090A MX165407B MX 165407 B MX165407 B MX 165407B MX 019760 A MX019760 A MX 019760A MX 1976090 A MX1976090 A MX 1976090A MX 165407 B MX165407 B MX 165407B
Authority
MX
Mexico
Prior art keywords
jurisdiction
authorization
descrambling
descramblers
jurisdictions
Prior art date
Application number
MX019760A
Other languages
English (en)
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 MX165407B publication Critical patent/MX165407B/es

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)

Abstract

La presente invención se refiere a sistema de control para regular la descodificación en una pluralidad de jurisdicciones de emisión de programas codificados, de cuando menos una de las jurisdicciones, el sistema comprende: un sistema de autorización de descodificador para cada jurisdicción, para proporcionar un mensaje de autorización que indica si se autoriza la descodificación de un programa predeterminado, por los descodificadores ubicados dentro de la jurisdicción respectiva del sistema de autorización de descodificador; distribuidores a un sistena de emisión para los mensajes de autorización referentes al programa predeterminado, que se proporcionan por los sistemas de autorización de descodificador para una pluralidad de las jurisdicciones; un sistema de emisión para un programa predeterminado codificado y los mensajes de autorización distribuídos referentes al programa predeterminado, que se proporcionan por los sistemas de autorización de descodificador para una pluralidad de las jurisdicciones; y descodificadores ubicados en la jurisdicción, para descodificar el programa predeterminado codificado, solo cuando se autoriza por lo mensajes de autorización de emisión provistos por el sistema de autorización de descodificador, para la jurisdicción en la cual se ubican los descodificadores.
MX019760A 1989-03-06 1990-03-05 Autorizacion controlada de decodificacion para programas codificados entre diferentes juridicciones MX165407B (es)

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 (1)

Publication Number Publication Date
MX165407B true MX165407B (es) 1992-11-10

Family

ID=23242675

Family Applications (1)

Application Number Title Priority Date Filing Date
MX019760A MX165407B (es) 1989-03-06 1990-03-05 Autorizacion controlada de decodificacion para programas codificados entre diferentes juridicciones

Country Status (13)

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

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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
EP0386903A1 (en) 1990-09-12
IE62822B1 (en) 1995-03-08
NO177290C (no) 1995-08-16
NO900998L (no) 1990-09-07
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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