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ES2169054T3 - Sistema de television de pago. - Google Patents

Sistema de television de pago.

Info

Publication number
ES2169054T3
ES2169054T3 ES94112343T ES94112343T ES2169054T3 ES 2169054 T3 ES2169054 T3 ES 2169054T3 ES 94112343 T ES94112343 T ES 94112343T ES 94112343 T ES94112343 T ES 94112343T ES 2169054 T3 ES2169054 T3 ES 2169054T3
Authority
ES
Spain
Prior art keywords
decoder
memory
intended
video signal
code
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.)
Expired - Lifetime
Application number
ES94112343T
Other languages
English (en)
Inventor
Andre Kudelski
Laurent Laffely
Marco Sasselli
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.)
Nagra Plus SA
Original Assignee
Nagra Plus SA
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 Nagra Plus SA filed Critical Nagra Plus SA
Application granted granted Critical
Publication of ES2169054T3 publication Critical patent/ES2169054T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0866—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by active credit-cards adapted therefor
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/0014—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for vending, access and use of specific services not covered anywhere else in G07F17/00
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0873—Details of the card reader
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0888—Subscription systems therefor
    • 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
    • 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
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)

Abstract

UN SISTEMA DE TELEVISION DE PAGO COMPRENDE, A NIVEL DE LA RECEPCION, UN DECODIFICADOR Y UNA TARJETA SEPARADA (12) QUE PUEDE CONECTARSE AL DECODIFICADOR, RECIBIENDO EL DECODIFICADOR A LA VEZ UNA SEÑAL CODIFICADA Y UN CODIGO DE DECODIFICACION CIFRADA. EL DECODIFICADOR COMPRENDE UNA MEMORIA (9) DESTINADA A ALMACENAR UNA SEÑAL DE VIDEO QUE LLEGA AL DECODIFICADOR DE MANERA DECODIFICADA, Y UN PRIMER MICROPROCESADOR (11) DESTINADO A CONTROLAR DICHA MEMORIA (9) PARA DECODIFICAR LA SEÑAL DE VIDEO, ESTANDO ESTE PRIMER MICROPROCESADOR (11) EN CONEXION CON LA TARJETA SEPARA (12). ESTA TARJETA (129 COMPRENDE UN SEGUNDO MICROPROCESADOR (40) CON MEMORIA (41, 42, 43) DESTINADO A ALMACENAR CODIGOS RELATIVOS A EMISIONES COMPRADAS, A RECIBIR EL CODIGO DE DECODIFICACION Y TRANSMITIR AL DECODIFICADOR EL CODIGO DE DECODIFICACION DESCIFRADO. ESTE DECODIFICADOR UTILIZA ENTONCES EL CODIGO DE DECODIFICACION DESCIFRADO PARA DECODIFICAR , MEDIANTE LA MEMORIA, (9), LA SEÑAL DE VIDEO CODIFICADA Y PERMITIR ASI UNA VISUALIZACION CLARA DE LA EMISION DIFUNDIDA.
ES94112343T 1986-04-18 1987-04-14 Sistema de television de pago. Expired - Lifetime ES2169054T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH157686 1986-04-18

Publications (1)

Publication Number Publication Date
ES2169054T3 true ES2169054T3 (es) 2002-07-01

Family

ID=4213644

Family Applications (2)

Application Number Title Priority Date Filing Date
ES94112343T Expired - Lifetime ES2169054T3 (es) 1986-04-18 1987-04-14 Sistema de television de pago.
ES87810236T Expired - Lifetime ES2076931T3 (es) 1986-04-18 1987-04-14 Decodificador para un sistema de television de pago.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES87810236T Expired - Lifetime ES2076931T3 (es) 1986-04-18 1987-04-14 Decodificador para un sistema de television de pago.

Country Status (7)

Country Link
US (1) US5144663A (es)
EP (2) EP0626793B1 (es)
JP (2) JP2610260B2 (es)
AU (1) AU599646B2 (es)
DE (2) DE3752343T2 (es)
ES (2) ES2169054T3 (es)
IL (1) IL82250A (es)

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AU599646B2 (en) 1990-07-26
EP0243312B1 (fr) 1995-07-19
JPH05244591A (ja) 1993-09-21
JP2610260B2 (ja) 1997-05-14
US5144663A (en) 1992-09-01
JP2520217B2 (ja) 1996-07-31
EP0243312A3 (en) 1990-01-31
EP0243312A2 (fr) 1987-10-28
DE3752343T2 (de) 2002-08-14
IL82250A (en) 1991-09-16
DE3751410D1 (de) 1995-08-24
JPS6323488A (ja) 1988-01-30
EP0626793B1 (fr) 2001-11-28
DE3752343D1 (de) 2002-01-10
DE3751410T2 (de) 1996-04-11
ES2076931T3 (es) 1995-11-16
AU7157887A (en) 1987-10-22
IL82250A0 (en) 1987-10-30
EP0626793A1 (fr) 1994-11-30

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