NL8900307A - Publiek communicatiesysteem met gedistribueerde stations, alsmede station en substations voor gebruik in zo een communicatiesysteem. - Google Patents

Publiek communicatiesysteem met gedistribueerde stations, alsmede station en substations voor gebruik in zo een communicatiesysteem. Download PDF

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Publication number
NL8900307A
NL8900307A NL8900307A NL8900307A NL8900307A NL 8900307 A NL8900307 A NL 8900307A NL 8900307 A NL8900307 A NL 8900307A NL 8900307 A NL8900307 A NL 8900307A NL 8900307 A NL8900307 A NL 8900307A
Authority
NL
Netherlands
Prior art keywords
substation
key
station
information
substations
Prior art date
Application number
NL8900307A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8900307A priority Critical patent/NL8900307A/nl
Priority to US07/474,966 priority patent/US4980912A/en
Priority to DE69011543T priority patent/DE69011543T2/de
Priority to EP90200238A priority patent/EP0382296B1/fr
Priority to CA002009290A priority patent/CA2009290C/fr
Priority to JP02455790A priority patent/JP3285350B2/ja
Priority to CN90100995A priority patent/CN1020534C/zh
Priority to FI900556A priority patent/FI108097B/fi
Priority to KR1019900001396A priority patent/KR0155373B1/ko
Priority to AU49111/90A priority patent/AU620298B2/en
Publication of NL8900307A publication Critical patent/NL8900307A/nl
Priority to US07/631,605 priority patent/US5144662A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks
    • 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
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
NL8900307A 1989-02-08 1989-02-08 Publiek communicatiesysteem met gedistribueerde stations, alsmede station en substations voor gebruik in zo een communicatiesysteem. NL8900307A (nl)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL8900307A NL8900307A (nl) 1989-02-08 1989-02-08 Publiek communicatiesysteem met gedistribueerde stations, alsmede station en substations voor gebruik in zo een communicatiesysteem.
US07/474,966 US4980912A (en) 1989-02-08 1990-02-01 Public communication system comprising distributed stations, and station and sub-station for use in such a communication system
DE69011543T DE69011543T2 (de) 1989-02-08 1990-02-02 Öffentliches Kommunikationssystem mit verteilten Stationen sowie Station und Unterstationen zur Verwendung in einem derartigen Kommunikationssystem.
EP90200238A EP0382296B1 (fr) 1989-02-08 1990-02-02 Système de communication public muni de stations distribuées ainsi que station et sous-stations destinées à être utilisées dans un tel système de communications
JP02455790A JP3285350B2 (ja) 1989-02-08 1990-02-05 分布ステーションを具える公衆通信系とかかる通信系に使用されるステーションとサブステーション
CA002009290A CA2009290C (fr) 1989-02-08 1990-02-05 Systeme de communication public a stations reparties et station et sous-station pour ce systeme de communication
CN90100995A CN1020534C (zh) 1989-02-08 1990-02-05 通信系统中使用的站
FI900556A FI108097B (fi) 1989-02-08 1990-02-05 Yleinen tietoliikennejärjestelmä koostuen hajautetuista asemista, sekä asema ja ala-asema tällaista tietoliikennejärjestelmää varten
KR1019900001396A KR0155373B1 (ko) 1989-02-08 1990-02-06 공중 통신 시스템
AU49111/90A AU620298B2 (en) 1989-02-08 1990-02-06 Public communication system comprising distributed stations, and station and sub-station for use in such a communication system
US07/631,605 US5144662A (en) 1989-02-08 1990-12-21 Public communication system comprising distributed stations, and station and sub-station for use in such a communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8900307 1989-02-08
NL8900307A NL8900307A (nl) 1989-02-08 1989-02-08 Publiek communicatiesysteem met gedistribueerde stations, alsmede station en substations voor gebruik in zo een communicatiesysteem.

Publications (1)

Publication Number Publication Date
NL8900307A true NL8900307A (nl) 1990-09-03

Family

ID=19854097

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8900307A NL8900307A (nl) 1989-02-08 1989-02-08 Publiek communicatiesysteem met gedistribueerde stations, alsmede station en substations voor gebruik in zo een communicatiesysteem.

Country Status (10)

Country Link
US (1) US4980912A (fr)
EP (1) EP0382296B1 (fr)
JP (1) JP3285350B2 (fr)
KR (1) KR0155373B1 (fr)
CN (1) CN1020534C (fr)
AU (1) AU620298B2 (fr)
CA (1) CA2009290C (fr)
DE (1) DE69011543T2 (fr)
FI (1) FI108097B (fr)
NL (1) NL8900307A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5144662A (en) * 1989-02-08 1992-09-01 U.S. Philips Corporation Public communication system comprising distributed stations, and station and sub-station for use in such a communication system
GB9010603D0 (en) * 1990-05-11 1990-07-04 Int Computers Ltd Access control in a distributed computer system
FR2663179B1 (fr) * 1990-06-08 1992-09-11 Matra Communication Procede et dispositif transcontroleurs pour installation de diffusion de programmes de television a acces conditionnel.
JP2781906B2 (ja) * 1991-03-29 1998-07-30 パイオニア株式会社 ケーブルネットにおけるｃａｔｖセンター装置及び番組供給方法
USRE38898E1 (en) * 1994-05-24 2005-11-29 Sony Corporation Video data bus communication system and method
EP0684721B1 (fr) * 1994-05-24 2000-05-03 Sony Corporation Communication par bus de données
DE4419634A1 (de) * 1994-06-04 1995-12-07 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von digitalen Informationen und Verfahren zur Durchführung der Ver- und Entschlüsselung dieser
DE4420970A1 (de) * 1994-06-16 1995-12-21 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von Entschlüsselungsalgorithmen und Verfahren zur Durchführung der Ver- und Entschlüsselung derselben
US6937729B2 (en) 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US8548166B2 (en) * 1995-04-03 2013-10-01 Anthony J. Wasilewski Method for partially encrypting program data
US7224798B2 (en) 1995-04-03 2007-05-29 Scientific-Atlanta, Inc. Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system
CA2245990C (fr) 1996-02-02 2001-10-30 Karl Francis Horlander Methode de gestion des copies
US7515712B2 (en) 1997-08-01 2009-04-07 Cisco Technology, Inc. Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system
US6388712B1 (en) * 1997-10-09 2002-05-14 Kabushiki Kaisha Toshiba System for verifying broadcast of a commercial message
GB2332314B (en) * 1997-12-09 2001-05-16 Sony Uk Ltd Interface for a receiver and method of arrangement thereof
US6738905B1 (en) * 1998-04-15 2004-05-18 Digital Video Express, L.P. Conditional access via secure logging with simplified key management
US6154206A (en) * 1998-05-06 2000-11-28 Sony Corporation Of Japan Method and apparatus for distributed conditional access control on a serial communication network
FR2792482A1 (fr) * 1999-04-13 2000-10-20 Thomson Multimedia Sa Reseau numerique local, notamment reseau numerique domestique, et procede de creation et de mise a jour d'un tel reseau
CA2360552C (fr) * 1999-11-17 2009-01-20 Sony Corporation Procede et appareil pour le traitement de signaux numeriques
WO2001075876A1 (fr) * 2000-03-31 2001-10-11 Thomson Licensing S.A. Dispositifs de lecture, d'enregistrement et de restitution de donnees numeriques dans un systeme de protection contre la copie desdites donnees
EP2824868A1 (fr) * 2001-08-24 2015-01-14 Thomson Licensing Réseau numérique local, procédés d'installation de nouveux dispositifs et procédés de diffusion et de réception de données dans un tel réseau
US8396216B2 (en) * 2003-11-21 2013-03-12 Howard G. Pinder Partial dual-encryption using program map tables
US20050169477A1 (en) * 2004-01-30 2005-08-04 Green Richard R. Wireless interface for removable digital content security devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528589A (en) * 1977-02-14 1985-07-09 Telease, Inc. Method and system for subscription television billing and access
JPS55127777A (en) * 1979-03-24 1980-10-02 Pioneer Electronic Corp Scramble method of catv system
JPS59174080A (ja) * 1983-03-24 1984-10-02 Sony Corp テレビジヨン信号受信装置
US4751732A (en) * 1984-07-06 1988-06-14 Kabushiki Kaisha Toshiba Broadcasting system
US4633309A (en) * 1985-05-06 1986-12-30 Oak Industries Inc. Cable television master/slave decoder control
JPS6310991A (ja) * 1986-07-02 1988-01-18 Alps Electric Co Ltd Ｃａｔｖ受信装置
US4890320A (en) * 1988-06-09 1989-12-26 Monslow H Vincent Television broadcast system for selective transmission of viewer-chosen programs at viewer-requested times

Also Published As

Publication number Publication date
KR0155373B1 (ko) 1998-11-16
KR900013731A (ko) 1990-09-06
JPH02250439A (ja) 1990-10-08
FI900556A0 (fi) 1990-02-05
DE69011543T2 (de) 1995-03-02
CN1045317A (zh) 1990-09-12
US4980912A (en) 1990-12-25
JP3285350B2 (ja) 2002-05-27
EP0382296B1 (fr) 1994-08-17
AU620298B2 (en) 1992-02-13
CN1020534C (zh) 1993-05-05
FI108097B (fi) 2001-11-15
AU4911190A (en) 1990-08-16
EP0382296A1 (fr) 1990-08-16
CA2009290C (fr) 2000-06-20
CA2009290A1 (fr) 1990-08-08
DE69011543D1 (de) 1994-09-22

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Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed