IT1241339B - Sistema per la trasmissione e ricezione di segnali televisivi codificati. - Google Patents

Sistema per la trasmissione e ricezione di segnali televisivi codificati.

Info

Publication number
IT1241339B
IT1241339B IT67970A IT6797090A IT1241339B IT 1241339 B IT1241339 B IT 1241339B IT 67970 A IT67970 A IT 67970A IT 6797090 A IT6797090 A IT 6797090A IT 1241339 B IT1241339 B IT 1241339B
Authority
IT
Italy
Prior art keywords
reception
transmission
television signals
coded television
coded
Prior art date
Application number
IT67970A
Other languages
English (en)
Other versions
IT9067970A0 (it
IT9067970A1 (it
Inventor
Roberto Dini
Attilio Farina
Giuseppe Zappala
Original Assignee
Sisvel Spa
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 Sisvel Spa filed Critical Sisvel Spa
Publication of IT9067970A0 publication Critical patent/IT9067970A0/it
Priority to IT67970A priority Critical patent/IT1241339B/it
Priority to DE69131171T priority patent/DE69131171T2/de
Priority to DE69125251T priority patent/DE69125251T2/de
Priority to EP91120666A priority patent/EP0489385B1/en
Priority to EP95115764A priority patent/EP0711074B1/en
Priority to ES91120666T priority patent/ES2103292T3/es
Priority to ES95115764T priority patent/ES2133640T3/es
Publication of IT9067970A1 publication Critical patent/IT9067970A1/it
Application granted granted Critical
Publication of IT1241339B publication Critical patent/IT1241339B/it
Priority to HK98113974.6A priority patent/HK1012815B/en

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)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Closed-Circuit Television Systems (AREA)
IT67970A 1990-12-06 1990-12-06 Sistema per la trasmissione e ricezione di segnali televisivi codificati. IT1241339B (it)

Priority Applications (8)

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.
EP95115764A EP0711074B1 (en) 1990-12-06 1991-12-02 System for the transmission and reception of encoded television signals
DE69125251T DE69125251T2 (de) 1990-12-06 1991-12-02 System zur Übertragung und zum Empfangen von kodierten Fernsehsignalen
EP91120666A EP0489385B1 (en) 1990-12-06 1991-12-02 System for the transmission and reception of encoded television signals
DE69131171T DE69131171T2 (de) 1990-12-06 1991-12-02 System zur Übertragung und zum Empfangen von kodierten Fernsehsignalen
ES91120666T ES2103292T3 (es) 1990-12-06 1991-12-02 Sistema para transmitir y recibir señales de television codificadas.
ES95115764T ES2133640T3 (es) 1990-12-06 1991-12-02 Sistema para la transmision y recepcion de señales de television codificadas.
HK98113974.6A HK1012815B (en) 1990-12-06 1998-12-17 System for the transmission and reception of encoded television signals

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 (3)

Publication Number Publication Date
IT9067970A0 IT9067970A0 (it) 1990-12-06
IT9067970A1 IT9067970A1 (it) 1992-06-07
IT1241339B true IT1241339B (it) 1994-01-10

Family

ID=11306836

Family Applications (1)

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

Country Status (4)

Country Link
EP (2) EP0711074B1 (it)
DE (2) DE69131171T2 (it)
ES (2) ES2103292T3 (it)
IT (1) IT1241339B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304011B (en) * 1992-10-15 1997-08-13 Mitsubishi Corp Signal recording 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
JPH07271865A (ja) 1994-04-01 1995-10-20 Mitsubishi Corp データベース著作権管理方法
US6744894B1 (en) 1994-04-01 2004-06-01 Mitsubishi Corporation Data management system
US7302415B1 (en) 1994-09-30 2007-11-27 Intarsia Llc Data copyright management system
EP0715241B1 (en) 1994-10-27 2004-01-14 Mitsubishi Corporation Apparatus for data copyright management system
US6424715B1 (en) 1994-10-27 2002-07-23 Mitsubishi Corporation Digital content management system and apparatus
EP1691315A1 (en) 1994-10-27 2006-08-16 Intarsia Software LLC Data copyright management system
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
EP0148235B1 (en) * 1983-06-30 1988-10-05 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
IT9067970A0 (it) 1990-12-06
EP0711074B1 (en) 1999-04-21
ES2103292T3 (es) 1997-09-16
DE69125251D1 (de) 1997-04-24
DE69131171D1 (de) 1999-05-27
DE69131171T2 (de) 1999-12-16
EP0711074A1 (en) 1996-05-08
HK1012815A1 (en) 1999-08-06
ES2133640T3 (es) 1999-09-16
IT9067970A1 (it) 1992-06-07
EP0489385B1 (en) 1997-03-19
EP0489385A3 (en) 1992-12-23
EP0489385A2 (en) 1992-06-10
DE69125251T2 (de) 1997-07-03

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961219