ES2133640T3 - Sistema para la transmision y recepcion de señales de television codificadas. - Google Patents

Sistema para la transmision y recepcion de señales de television codificadas.

Info

Publication number
ES2133640T3
ES2133640T3 ES95115764T ES95115764T ES2133640T3 ES 2133640 T3 ES2133640 T3 ES 2133640T3 ES 95115764 T ES95115764 T ES 95115764T ES 95115764 T ES95115764 T ES 95115764T ES 2133640 T3 ES2133640 T3 ES 2133640T3
Authority
ES
Spain
Prior art keywords
code
reception
transmission
television signals
coded
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
ES95115764T
Other languages
English (en)
Inventor
Roberto Dini
Attilio Farina
Giuseppe Zappala
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.)
Edico SRL
Original Assignee
Edico SRL
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 Edico SRL filed Critical Edico SRL
Application granted granted Critical
Publication of ES2133640T3 publication Critical patent/ES2133640T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Television Systems (AREA)

Abstract

SISTEMA PARA LA TRANSMISION Y RECEPCION DE SEÑALES DE TELEVISION CODIFICADAS, EN EL QUE UNA SEÑAL DE TELEVISION ESTA CODIFICADA CON EL FIN DE QUE NO SEA RECIBIDA Y REPRODUCIDA DE FORMA NORMAL MEDIANTE RECEPTORES DE TELEVISION NORMALES, SINO SOLO POR LOS RECEPTORES EQUIPADOS CON EL DECODIFICADOR ADECUADO, Y EN EL QUE EL DECODIFICADOR INCLUYE UN CIRCUITO DE CONTROL QUE RECIBE POR TELEFONO UN CODIGO SECRETO, PROCEDENTE DE UN ORDENADOR CENTRAL. EL CODIGO ES SECRETO Y NECESARIO PARA LA OPERACION DE DECODIFICACION Y ES TRANSMITIDO POR MEDIO DE UN PROCEDIMIENTO CIFRADO, QUE SE CARACTERIZA EN QUE EL CITADO CODIGO ES CAMBIADO PERIODICAMENTE, A INTERVALOS ALEATORIOS, POR EL ORDENADOR CENTRAL, QUE ESTA PREPARADO PARA LLAMAR A LA UNIDAD DEL USUARIO POR TELEFONO Y COMUNICARLE EL NUEVO CODIGO SECRETO.
ES95115764T 1990-12-06 1991-12-02 Sistema para la transmision y recepcion de señales de television codificadas. Expired - Lifetime ES2133640T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67970A IT1241339B (it) 1990-12-06 1990-12-06 Sistema per la trasmissione e ricezione di segnali televisivi codificati.

Publications (1)

Publication Number Publication Date
ES2133640T3 true ES2133640T3 (es) 1999-09-16

Family

ID=11306836

Family Applications (2)

Application Number Title Priority Date Filing Date
ES91120666T Expired - Lifetime ES2103292T3 (es) 1990-12-06 1991-12-02 Sistema para transmitir y recibir señales de television codificadas.
ES95115764T Expired - Lifetime ES2133640T3 (es) 1990-12-06 1991-12-02 Sistema para la transmision y recepcion de señales de television codificadas.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES91120666T Expired - Lifetime ES2103292T3 (es) 1990-12-06 1991-12-02 Sistema para transmitir y recibir señales de television codificadas.

Country Status (5)

Country Link
EP (2) EP0489385B1 (es)
DE (2) DE69131171T2 (es)
ES (2) ES2103292T3 (es)
HK (1) HK1012815A1 (es)
IT (1) IT1241339B (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304012B (en) * 1992-10-15 1997-08-13 Mitsubishi Corp Receiving apparatus
GB2296171B (en) * 1992-10-15 1997-08-13 Mitsubishi Corp Playing apparatus for signal use
JPH06132916A (ja) * 1992-10-15 1994-05-13 Mitsubishi Corp 受信装置
JPH06141004A (ja) * 1992-10-27 1994-05-20 Mitsubishi Corp 課金システム
CA2109490C (en) * 1992-10-30 2003-09-09 Mihoji Tsumura Billing system for radio communications
IT1272090B (it) * 1993-12-20 1997-06-11 Urmet Sud Costr Elett Telefon Sistema d'abilitazione di decodifica di programmi televisivi.
US5594493A (en) * 1994-01-19 1997-01-14 Nemirofsky; Frank R. Television signal activated interactive smart card system
US7036019B1 (en) 1994-04-01 2006-04-25 Intarsia Software Llc Method for controlling database copyrights
US6744894B1 (en) 1994-04-01 2004-06-01 Mitsubishi Corporation Data management system
JPH07271865A (ja) 1994-04-01 1995-10-20 Mitsubishi Corp データベース著作権管理方法
US7302415B1 (en) 1994-09-30 2007-11-27 Intarsia Llc Data copyright management system
DE69535013T2 (de) 1994-10-27 2006-12-28 Intarsia Software LLC, Las Vegas Urheberrechtsdatenverwaltungssystem
DE69532434T2 (de) 1994-10-27 2004-11-11 Mitsubishi Corp. Gerät für Dateiurheberrechte-Verwaltungssystem
US6424715B1 (en) 1994-10-27 2002-07-23 Mitsubishi Corporation Digital content management system and apparatus
FR2730372A1 (fr) * 1995-02-08 1996-08-09 Philips Electronics Nv Procede de television payante
US8595502B2 (en) 1995-09-29 2013-11-26 Intarsia Software Llc Data management system
US7801817B2 (en) 1995-10-27 2010-09-21 Makoto Saito Digital content management system and apparatus
JP4763866B2 (ja) 1998-10-15 2011-08-31 インターシア ソフトウェア エルエルシー ２重再暗号化によりデジタルデータを保護する方法及び装置
SE515803C2 (sv) 1999-12-01 2001-10-08 Kianoush Namvar Anordning vid överföring av signalenheter
DE10103406A1 (de) * 2001-01-26 2002-08-01 Deutsche Telekom Ag Verfahren zur vollautomatischen Ermittlung des Nutzungsumfangs kostenpflichtiger, verschlüsselt übertragener Programminhalte und hierfür geeignete Einrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000491A1 (en) * 1983-06-30 1985-01-31 Independent Broadcasting Authority Encrypted broadcast television system
WO1985003830A1 (en) * 1984-02-23 1985-08-29 American Telephone & Telegraph Company Method and apparatus for subscription broadcast
DE3579785D1 (de) * 1984-10-31 1990-10-25 Sony Corp Dekodiereinrichtungen fuer gebuehrenfernsehsysteme.
IT1187857B (it) * 1986-01-15 1987-12-23 Edico Srl Perfezionamenti in un sistema per il controllo del funzionamento di uno o piu apparati o impianti
FR2623355B1 (fr) * 1987-11-13 1994-07-08 Oceanic Sa Systeme de television a acces controle
US4916737A (en) * 1988-11-14 1990-04-10 Teleglobe Pay-Tv System, Inc. Secure anti-piracy encoded television system and method

Also Published As

Publication number Publication date
IT1241339B (it) 1994-01-10
EP0711074B1 (en) 1999-04-21
HK1012815A1 (en) 1999-08-06
EP0489385B1 (en) 1997-03-19
IT9067970A0 (it) 1990-12-06
DE69131171T2 (de) 1999-12-16
EP0711074A1 (en) 1996-05-08
EP0489385A3 (en) 1992-12-23
DE69125251D1 (de) 1997-04-24
IT9067970A1 (it) 1992-06-07
ES2103292T3 (es) 1997-09-16
EP0489385A2 (en) 1992-06-10
DE69131171D1 (de) 1999-05-27
DE69125251T2 (de) 1997-07-03

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