DE69214698T2 - Unabhängiges externes Sicherheitsmodul für einen digital-erweiterbaren Fernsehsignaldekoder - Google Patents

Unabhängiges externes Sicherheitsmodul für einen digital-erweiterbaren Fernsehsignaldekoder

Info

Publication number
DE69214698T2
DE69214698T2 DE69214698T DE69214698T DE69214698T2 DE 69214698 T2 DE69214698 T2 DE 69214698T2 DE 69214698 T DE69214698 T DE 69214698T DE 69214698 T DE69214698 T DE 69214698T DE 69214698 T2 DE69214698 T2 DE 69214698T2
Authority
DE
Germany
Prior art keywords
digitally
security module
television signal
signal decoder
external security
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 - Fee Related
Application number
DE69214698T
Other languages
English (en)
Other versions
DE69214698D1 (de
Inventor
Keith Gammie
Robert K Yoneda
Arthur Woo
Wayne Sheldrick
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.)
Scientific Atlanta LLC
Original Assignee
Scientific Atlanta LLC
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 Scientific Atlanta LLC filed Critical Scientific Atlanta LLC
Application granted granted Critical
Publication of DE69214698D1 publication Critical patent/DE69214698D1/de
Publication of DE69214698T2 publication Critical patent/DE69214698T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/20Adaptations for transmission via a GHz frequency band, e.g. via satellite
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
DE69214698T 1991-03-29 1992-03-27 Unabhängiges externes Sicherheitsmodul für einen digital-erweiterbaren Fernsehsignaldekoder Expired - Fee Related DE69214698T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/677,460 US5237610A (en) 1990-02-01 1991-03-29 Independent external security module for a digitally upgradeable television signal decoder

Publications (2)

Publication Number Publication Date
DE69214698D1 DE69214698D1 (de) 1996-11-28
DE69214698T2 true DE69214698T2 (de) 1997-03-06

Family

ID=24718797

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69214698T Expired - Fee Related DE69214698T2 (de) 1991-03-29 1992-03-27 Unabhängiges externes Sicherheitsmodul für einen digital-erweiterbaren Fernsehsignaldekoder
DE69229408T Expired - Fee Related DE69229408T2 (de) 1991-03-29 1992-03-27 System zur Zusammenarbeit mit einer Satellitentransponder
DE69229235T Expired - Fee Related DE69229235T2 (de) 1991-03-29 1992-03-27 Empfangsgerät und -verfahren

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69229408T Expired - Fee Related DE69229408T2 (de) 1991-03-29 1992-03-27 System zur Zusammenarbeit mit einer Satellitentransponder
DE69229235T Expired - Fee Related DE69229235T2 (de) 1991-03-29 1992-03-27 Empfangsgerät und -verfahren

Country Status (10)

Country Link
US (1) US5237610A (de)
EP (3) EP0506435B1 (de)
JP (1) JP3476481B2 (de)
CN (1) CN1030955C (de)
AT (3) ATE144670T1 (de)
BR (1) BR9201106A (de)
DE (3) DE69214698T2 (de)
MY (1) MY131301A (de)
PH (1) PH31140A (de)
SG (1) SG44801A1 (de)

Families Citing this family (270)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292568B1 (en) 1966-12-16 2001-09-18 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US5870474A (en) * 1995-12-04 1999-02-09 Scientific-Atlanta, Inc. Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
DE69331869T2 (de) * 1992-08-06 2002-08-29 Fujitsu Ltd Transaktionsverarbeitungssystem unter Verwendung eines funkübertragenden Teletextsystems
FI94008C (fi) * 1992-09-04 1995-06-26 Salon Televisiotehdas Oy Videosignaalin dekooderijärjestelmä
US5341425A (en) * 1992-12-02 1994-08-23 Scientific Atlanta, Inc. Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site
US5659350A (en) * 1992-12-09 1997-08-19 Discovery Communications, Inc. Operations center for a television program packaging and delivery system
US9286294B2 (en) 1992-12-09 2016-03-15 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator content suggestion engine
US5986690A (en) * 1992-12-09 1999-11-16 Discovery Communications, Inc. Electronic book selection and delivery system
US7168084B1 (en) 1992-12-09 2007-01-23 Sedna Patent Services, Llc Method and apparatus for targeting virtual objects
US7509270B1 (en) 1992-12-09 2009-03-24 Discovery Communications, Inc. Electronic Book having electronic commerce features
US5600573A (en) 1992-12-09 1997-02-04 Discovery Communications, Inc. Operations center with video storage for a television program packaging and delivery system
US6201536B1 (en) 1992-12-09 2001-03-13 Discovery Communications, Inc. Network manager for cable television system headends
US6463585B1 (en) 1992-12-09 2002-10-08 Discovery Communications, Inc. Targeted advertisement using television delivery systems
US5600364A (en) 1992-12-09 1997-02-04 Discovery Communications, Inc. Network controller for cable television delivery systems
US7849393B1 (en) 1992-12-09 2010-12-07 Discovery Communications, Inc. Electronic book connection to world watch live
US7073187B1 (en) 1992-12-09 2006-07-04 Sedna Patent Services, Llc Menu-driven television program access system and method
US8073695B1 (en) 1992-12-09 2011-12-06 Adrea, LLC Electronic book with voice emulation features
US7835989B1 (en) 1992-12-09 2010-11-16 Discovery Communications, Inc. Electronic book alternative delivery systems
WO1994014279A1 (en) * 1992-12-09 1994-06-23 Discovery Communications, Inc. Digital cable headend for cable television delivery system
US7269841B1 (en) 1992-12-09 2007-09-11 Sedna Patent Services, Llc Digital cable headend for cable television delivery system
US5798785A (en) * 1992-12-09 1998-08-25 Discovery Communications, Inc. Terminal for suggesting programs offered on a television program delivery system
US5477276A (en) * 1992-12-17 1995-12-19 Sony Corporation Digital signal processing apparatus for achieving fade-in and fade-out effects on digital video signals
SG52302A1 (en) * 1993-03-20 1998-09-28 Mot0Rola Inc Data storage device
FR2704703B1 (fr) * 1993-04-28 1995-06-30 Gemplus Card Int Appareil d'exploitation de signaux electriques.
US5434850A (en) 1993-06-17 1995-07-18 Skydata Corporation Frame relay protocol-based multiplex switching scheme for satellite
US6771617B1 (en) 1993-06-17 2004-08-03 Gilat Satellite Networks, Ltd. Frame relay protocol-based multiplex switching scheme for satellite mesh network
US6031867A (en) * 1993-07-02 2000-02-29 Multi-Tech Systems, Inc. Modem with firmware upgrade feature
US7861166B1 (en) 1993-12-02 2010-12-28 Discovery Patent Holding, Llc Resizing document pages to fit available hardware screens
US9053640B1 (en) 1993-12-02 2015-06-09 Adrea, LLC Interactive electronic book
US8095949B1 (en) 1993-12-02 2012-01-10 Adrea, LLC Electronic book with restricted access features
US7865567B1 (en) 1993-12-02 2011-01-04 Discovery Patent Holdings, Llc Virtual on-demand electronic book
US5425101A (en) * 1993-12-03 1995-06-13 Scientific-Atlanta, Inc. System and method for simultaneously authorizing multiple virtual channels
IL107967A (en) * 1993-12-09 1996-12-05 News Datacom Research Ltd Apparatus and method for securing communication systems
IT1272090B (it) * 1993-12-20 1997-06-11 Urmet Sud Costr Elett Telefon Sistema d'abilitazione di decodifica di programmi televisivi.
US5426701A (en) * 1994-02-28 1995-06-20 General Instrument Corporation Of Delaware Cable television converter box with a smart card connector underneath
BR9408552A (pt) * 1994-03-18 1997-08-19 Thomson Consumer Electronics Aparelho para processamento de sinais digitais em um sistema de processamento de sinais digitais de vídeo incluindo sinais contendo informações criptografadas
FI97928C (fi) * 1994-03-21 1997-03-10 Nokia Technology Gmbh Menetelmä digitaalisessa muodossa siirrettävän televisiolähetyksen salaamiseksi
MY111825A (en) * 1994-03-28 2001-01-31 Fipa Frohwitter Ip Ag Digital information signal transmitting/receiving method and 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
USRE38898E1 (en) 1994-05-24 2005-11-29 Sony Corporation Video data bus communication system and method
DE69516577T2 (de) * 1994-05-24 2001-01-04 Sony Corp Datenbuskommunikation
DE4419634A1 (de) * 1994-06-04 1995-12-07 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von digitalen Informationen und Verfahren zur Durchführung der Ver- und Entschlüsselung dieser
JPH09510596A (ja) 1994-06-08 1997-10-21 エイチイー・ホールディングス・インコーポレーテッド・ディー ビーエー・ヒューズ・エレクトロニクス ハイブリッドネットワークアクセスのための装置および方法
US6701370B1 (en) 1994-06-08 2004-03-02 Hughes Electronics Corporation Network system with TCP/IP protocol spoofing
US6473793B1 (en) * 1994-06-08 2002-10-29 Hughes Electronics Corporation Method and apparatus for selectively allocating and enforcing bandwidth usage requirements on network users
DK0765501T3 (da) * 1994-06-15 1999-09-27 Thomson Consumer Electronics Chipkort meddelelsesoverførsel uden indgreb af en mikroprocessor
DE4420970A1 (de) * 1994-06-16 1995-12-21 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von Entschlüsselungsalgorithmen und Verfahren zur Durchführung der Ver- und Entschlüsselung derselben
DE4420967C2 (de) * 1994-06-16 2000-02-10 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von digitalen Informationen und Verfahren zur Durchführung der Ver- und Entschlüsselung dieser mit Hilfe der Entschlüsselungseinrichtung
TW274170B (en) * 1994-06-17 1996-04-11 Terrastar Inc Satellite communication system, receiving antenna & components for use therein
US5649318A (en) * 1995-03-24 1997-07-15 Terrastar, Inc. Apparatus for converting an analog c-band broadcast receiver into a system for simultaneously receiving analog and digital c-band broadcast television signals
US5745084A (en) * 1994-06-17 1998-04-28 Lusignan; Bruce B. Very small aperture terminal & antenna for use therein
USRE38529E1 (en) 1994-06-24 2004-06-08 Sony Corporation Scramble/descramble method and apparatus for data broadcasting
MY125706A (en) * 1994-08-19 2006-08-30 Thomson Consumer Electronics High speed signal processing smart card
US5903704A (en) * 1994-08-26 1999-05-11 Hitachi, Ltd. Apparatus for selectively recording and reproducing received analog and digital signals
WO1996008925A1 (en) * 1994-09-12 1996-03-21 Scientific-Atlanta, Inc. Cable television apparatus employing two-way communication
US7302415B1 (en) 1994-09-30 2007-11-27 Intarsia Llc Data copyright management system
EP0709760B1 (de) 1994-10-27 2006-05-31 Intarsia Software LLC Urheberrechtsdatenverwaltungssystem
EP0715241B1 (de) 1994-10-27 2004-01-14 Mitsubishi Corporation Gerät für Dateiurheberrechte-Verwaltungssystem
US6424715B1 (en) 1994-10-27 2002-07-23 Mitsubishi Corporation Digital content management system and apparatus
JP3729529B2 (ja) * 1994-10-28 2005-12-21 ソニー株式会社 デイジタル信号送受信システム
SG34287A1 (en) 1994-10-28 1996-12-06 Hitachi Ltd Input-output circuit recording apparatus and reproduction apparatus for digital video signal
US5727065A (en) 1994-11-14 1998-03-10 Hughes Electronics Deferred billing, broadcast, electronic document distribution system and method
US5652795A (en) * 1994-11-14 1997-07-29 Hughes Electronics Method and apparatus for an adapter card providing conditional access in a communication system
KR100332743B1 (ko) * 1994-11-26 2002-11-07 엘지전자주식회사 디지탈영상시스템의불법시청및복사방지방법및장치
EP0719045B1 (de) * 1994-12-13 2003-10-29 Mitsubishi Corporation Verschlüsselungssystem für sichere elektronische Transaktionen
US5485577A (en) * 1994-12-16 1996-01-16 General Instrument Corporation Of Delaware Method and apparatus for incremental delivery of access rights
JP3393318B2 (ja) * 1995-01-19 2003-04-07 ソニー株式会社 データ受信処理装置およびデータ受信処理方法並びに放送受信処理方法
US6424717B1 (en) 1995-04-03 2002-07-23 Scientific-Atlanta, Inc. Encryption devices for use in a conditional access system
US6937729B2 (en) 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US6157719A (en) * 1995-04-03 2000-12-05 Scientific-Atlanta, Inc. Conditional access system
US8548166B2 (en) 1995-04-03 2013-10-01 Anthony J. Wasilewski Method for partially encrypting program data
US6560340B1 (en) 1995-04-03 2003-05-06 Scientific-Atlanta, Inc. Method and apparatus for geographically limiting service in a conditional access system
US6246767B1 (en) 1995-04-03 2001-06-12 Scientific-Atlanta, Inc. Source authentication of download information in a conditional access system
US20040136532A1 (en) * 1995-04-03 2004-07-15 Pinder Howard G. Partial dual-encrypted stream utilizing program map tables
US6252964B1 (en) * 1995-04-03 2001-06-26 Scientific-Atlanta, Inc. Authorization of services in a conditional access system
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
EP1209923B1 (de) 1995-04-27 2006-05-24 Hitachi, Ltd. Verfahren und Vorrichtung zum Empfang und/oder Wiedergabe von digitalen Signalen
CA2179223C (en) * 1995-06-23 2009-01-06 Manfred Von Willich Method and apparatus for controlling the operation of a signal decoder in a broadcasting system
JP3153738B2 (ja) * 1995-07-07 2001-04-09 株式会社東芝 デスクランブラ装置
US5784095A (en) * 1995-07-14 1998-07-21 General Instrument Corporation Digital audio system with video output program guide
EP1143443B1 (de) 1995-07-14 2003-09-17 Sony Corporation Verfahren zur Übertragung von digitalen Daten und Aufzeichnungsmedium
US6807676B1 (en) 1995-07-14 2004-10-19 General Instrument Corporation Methods of formatting data to maximize the readability and the amount of song identification information displayed on a limited number of lines
US5796423A (en) * 1995-07-14 1998-08-18 General Instrument Corporation System for integrating digital audio and analog video to provide seamless user transparent features
IT1281321B1 (it) * 1995-08-04 1998-02-18 Telecom Italia Spa Rete di distribuzione cinematografica in alta definizione televisiva
US5852290A (en) * 1995-08-04 1998-12-22 Thomson Consumer Electronics, Inc. Smart-card based access control system with improved security
US6035037A (en) * 1995-08-04 2000-03-07 Thomson Electronic Consumers, Inc. System for processing a video signal via series-connected high speed signal processing smart cards
US8595502B2 (en) 1995-09-29 2013-11-26 Intarsia Software Llc Data management system
US6061656A (en) * 1995-10-06 2000-05-09 Pace; Michael Computer-based trading card system and method
US5689561A (en) * 1995-10-06 1997-11-18 Pace; Michael Computer-based trading card system and method
US7801817B2 (en) 1995-10-27 2010-09-21 Makoto Saito Digital content management system and apparatus
US6091816A (en) * 1995-11-07 2000-07-18 Trimble Navigation Limited Integrated audio recording and GPS system
US5742680A (en) * 1995-11-13 1998-04-21 E Star, Inc. Set top box for receiving and decryption and descrambling a plurality of satellite television signals
DE872077T1 (de) * 1995-12-29 1999-05-06 Scientific Atlanta Verfahren und einrichtung zum bedingten zugang in verbindungsorientierten interaktiven netzwerken mit mehreren dienstanbietern
US6300880B1 (en) * 1996-01-16 2001-10-09 Philips Electronics North America Corp. Multichannel audio distribution system having portable receivers
EP0792044B1 (de) * 1996-02-23 2001-05-02 Fuji Xerox Co., Ltd. Vorrichtung und Verfahren zur Authentifizierung von Zugangsrechten eines Benutzers zu Betriebsmitteln nach dem Challenge-Response-Prinzip
GB9605472D0 (en) * 1996-03-15 1996-05-15 Digi Media Vision Ltd A secure method and apparatus for data transmission in digital video broadcast data services
US5790783A (en) * 1996-03-28 1998-08-04 Advanced Micro Devices, Inc. Method and apparatus for upgrading the software lock of microprocessor
US5774544A (en) * 1996-03-28 1998-06-30 Advanced Micro Devices, Inc. Method an apparatus for encrypting and decrypting microprocessor serial numbers
US5933620A (en) * 1996-03-28 1999-08-03 Advanced Micro Devices, Inc. Method and apparatus for serializing microprocessor identification numbers
HRP970160A2 (en) * 1996-04-03 1998-02-28 Digco B V Method for providing a secure communication between two devices and application of this method
US5946497A (en) * 1996-05-17 1999-08-31 Advanced Micro Devices, Inc. System and method for providing microprocessor serialization using programmable fuses
US5857190A (en) * 1996-06-27 1999-01-05 Microsoft Corporation Event logging system and method for logging events in a network system
FR2750554B1 (fr) * 1996-06-28 1998-08-14 Thomson Multimedia Sa Systeme a acces conditionnel et carte a puce permettant un tel acces
JP3093678B2 (ja) 1996-06-28 2000-10-03 株式会社東芝 暗号化方法、復号方法、記録再生装置、復号装置、復号化ユニット装置及び記録媒体の製造方法
FR2751817B1 (fr) * 1996-07-29 1998-09-11 Thomson Multimedia Sa Systeme a acces conditionnel utilisant des messages a cles de chiffrement multiples
DE19630707A1 (de) * 1996-07-30 1998-02-05 Deutsche Telekom Ag Verfahren und Anordnungen zur Vermeidung unberechtiger Benutzung von Verteilernetzen
US5937067A (en) * 1996-11-12 1999-08-10 Scientific-Atlanta, Inc. Apparatus and method for local encryption control of a global transport data stream
FR2755810B1 (fr) * 1996-11-14 1998-12-31 Thomson Multimedia Sa Procede de certification de donnees par embrouillage et systeme de certification utilisant un tel procede
US6016348A (en) * 1996-11-27 2000-01-18 Thomson Consumer Electronics, Inc. Decoding system and data format for processing and storing encrypted broadcast, cable or satellite video data
DE19649292A1 (de) * 1996-11-28 1998-06-04 Deutsche Telekom Ag Verfahren zum Sichern eines durch eine Schlüsselhierarchie geschützten Systems
US5991403A (en) * 1996-12-23 1999-11-23 Intel Corporation Recoverable cryptographic transformation on YUV data suitable for compressions
FR2758430B1 (fr) * 1997-01-10 2000-08-18 Television Par Satellite Tps Procede et systeme de telechargement de donnees numeriques par satellite
EP0858184A3 (de) 1997-02-07 1999-09-01 Nds Limited System zum Schutz von digitalen Aufzeichnungen
IL120174A (en) * 1997-02-07 1999-10-28 News Datacom Ltd Digital recording protection system
US6157723A (en) * 1997-03-03 2000-12-05 Motorola, Inc. Method and apparatus for secure communications with encryption key scheduling
US6690795B1 (en) * 1997-03-04 2004-02-10 Lucent Technologies Inc. Multiple keys for decrypting data in restricted-access television system
US6069957A (en) * 1997-03-07 2000-05-30 Lucent Technologies Inc. Method and apparatus for providing hierarchical key system in restricted-access television system
CN100380967C (zh) * 1997-03-21 2008-04-09 卡纳尔股份有限公司 供加密广播信号的接收器使用的聪明卡以及接收器
AU760416B2 (en) * 1997-03-21 2003-05-15 Nagra France Sas Smartcard for use with a receiver of encrypted broadcast signals, and receiver
US6029245A (en) * 1997-03-25 2000-02-22 International Business Machines Corporation Dynamic assignment of security parameters to web pages
JP3921598B2 (ja) * 1997-06-06 2007-05-30 ユーキューイー, エルエルシー スクランブルされたイベントに対するアクセスを管理する方法
BR9815610A (pt) * 1997-08-01 2004-06-22 Scientific Atlanta Verificação da fonte de informações de programa em sistema de acesso condicional
US7515712B2 (en) * 1997-08-01 2009-04-07 Cisco Technology, Inc. Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system
US7239706B1 (en) * 1997-08-06 2007-07-03 Deutsche Telekom Ag Transcoder for decoding encoded TV programs
US6073122A (en) * 1997-08-15 2000-06-06 Lucent Technologies Inc. Cryptographic method and apparatus for restricting access to transmitted programming content using extended headers
FR2769779B1 (fr) 1997-10-14 1999-11-12 Thomson Multimedia Sa Procede de controle d'acces a un reseau domestique et dispositif mettant en oeuvre le procede
US6549626B1 (en) * 1997-10-20 2003-04-15 Sun Microsystems, Inc. Method and apparatus for encoding keys
US6160891A (en) * 1997-10-20 2000-12-12 Sun Microsystems, Inc. Methods and apparatus for recovering keys
JP3985204B2 (ja) * 1997-12-09 2007-10-03 ソニー株式会社 情報放送方法、受信機、情報センタ及び受信方法
KR100382181B1 (ko) * 1997-12-22 2003-05-09 모토로라 인코포레이티드 단일 계좌 휴대용 무선 금융 메시지 유닛
CN1269125C (zh) * 1998-01-26 2006-08-09 松下电器产业株式会社 数据记录/再现方法和系统、记录设备和再现设备
US8584255B2 (en) * 1999-05-05 2013-11-12 Sony United Kingdom Limited Networked conditional access module
US8813137B2 (en) 1998-05-08 2014-08-19 Qualcomm Incorporated Apparatus and method for decoding digital image and audio signals
EP0964573A1 (de) * 1998-06-11 1999-12-15 THOMSON multimedia Verfahren und Vorrichtung für verbesserte DVB-CI Funktionalität durch Ermöglichung eines direkten Zugriffs auf das Conditional Access Modul
US9009773B1 (en) 1998-06-30 2015-04-14 Cox Communications, Inc. Method and apparatus for providing broadcast data services
EP0984629B1 (de) 1998-09-01 2006-05-03 Irdeto Access B.V. Sicheres Datensignalübertragungssystem
EP0984630B1 (de) 1998-09-01 2006-08-23 Irdeto Access B.V. Datenübertragungssystem
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
US7202915B2 (en) * 1998-10-30 2007-04-10 Sony Corporation Systems, methods, and apparatus for simultaneous viewing of differing video program sources
US6934255B1 (en) * 1999-02-02 2005-08-23 Packeteer, Inc. Internet over satellite apparatus
US6697489B1 (en) 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US7730300B2 (en) 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
US7565546B2 (en) * 1999-03-30 2009-07-21 Sony Corporation System, method and apparatus for secure digital content transmission
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
US6889208B1 (en) * 1999-04-15 2005-05-03 Victor Company Of Japan, Ltd. Contents sale system
US6609197B1 (en) * 1999-04-22 2003-08-19 3Com Corporation Method and system for secure emergency access to network devices
US20030149986A1 (en) * 1999-08-10 2003-08-07 Mayfield William W. Security system for defeating satellite television piracy
CN1296846C (zh) * 1999-08-27 2007-01-24 索尼公司 信息发送系统、发送装置和发送方法与信息接收系统、接收装置和接收方法
US6289455B1 (en) * 1999-09-02 2001-09-11 Crypotography Research, Inc. Method and apparatus for preventing piracy of digital content
JP2003509881A (ja) * 1999-09-03 2003-03-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 記録された電子出版資料からのマスター鍵の復元方法
US7003667B1 (en) * 1999-10-04 2006-02-21 Canon Kabushiki Kaisha Targeted secure printing
US7039614B1 (en) 1999-11-09 2006-05-02 Sony Corporation Method for simulcrypting scrambled data to a plurality of conditional access devices
US7493497B1 (en) * 2000-02-03 2009-02-17 Integrated Information Solutions Digital identity device
US7225164B1 (en) 2000-02-15 2007-05-29 Sony Corporation Method and apparatus for implementing revocation in broadcast networks
US6845450B1 (en) * 2000-02-25 2005-01-18 Genesis Microchip Inc. Display unit storing and using a cryptography key
WO2001084836A2 (en) * 2000-04-28 2001-11-08 Broadcom Corporation Cryptographic key distribution system and method for digital video systems
US20020037081A1 (en) * 2000-04-28 2002-03-28 David Rogoff Cryptographic key distribution system and method for digital video systems
FR2809915B1 (fr) * 2000-06-06 2003-01-03 Sagem Procede d'enregistrement securise dans un decodeur de television
US7050586B1 (en) * 2000-06-19 2006-05-23 Intertrust Technologies Corporation Systems and methods for retrofitting electronic appliances to accept different content formats
WO2001099434A2 (en) * 2000-06-19 2001-12-27 Koninklijke Philips Electronics N.V. Application-specific modules for digital cable devices
US20020025045A1 (en) * 2000-07-26 2002-02-28 Raike William Michael Encryption processing for streaming media
DE10044386A1 (de) * 2000-09-08 2002-04-04 Scm Microsystems Gmbh Adaptergerät für DVB
KR100842984B1 (ko) * 2000-11-13 2008-07-01 나그라카드 에스.에이. 확장형 제품의 업그레이드 유도 방법
GB0031437D0 (en) * 2000-12-22 2001-02-07 Koninkl Philips Electronics Nv Distributed digital television system and related method
DE60108905T2 (de) * 2000-12-22 2006-04-13 Nagravision S.A. Anti-kloning-verfahren
JP2002261748A (ja) 2000-12-28 2002-09-13 Sony Corp データ送信装置及び方法並びにデータ記録装置及び方法
DE20112183U1 (de) * 2001-02-01 2001-09-27 Grundig Ag Vorrichtung zum Empfang von digitalen Rundfunksignalen
ITMO20010038A1 (it) * 2001-03-06 2002-09-06 Elopak Systems Apparato e metodo per la lavorazione di materia plastica e contenitore di prodotto fluido
US20020146125A1 (en) * 2001-03-14 2002-10-10 Ahmet Eskicioglu CA system for broadcast DTV using multiple keys for different service providers and service areas
US7016496B2 (en) * 2001-03-26 2006-03-21 Sun Microsystems, Inc. System and method for storing and accessing digital media content using smart card technology
US20020184512A1 (en) * 2001-05-31 2002-12-05 Cardoso Augusto C. Method and apparatus for supporting remote configuration to facilitate subscriber management
US7895616B2 (en) 2001-06-06 2011-02-22 Sony Corporation Reconstitution of program streams split across multiple packet identifiers
US7747853B2 (en) * 2001-06-06 2010-06-29 Sony Corporation IP delivery of secure digital content
US7350082B2 (en) 2001-06-06 2008-03-25 Sony Corporation Upgrading of encryption
US7124303B2 (en) 2001-06-06 2006-10-17 Sony Corporation Elementary stream partial encryption
US20030028887A1 (en) * 2001-07-02 2003-02-06 Laurent Frouin Method to control the copying and/or broadcasting of audiovisual signals transmitted to within a home audiovisual network
US7203319B2 (en) * 2001-07-09 2007-04-10 Qualcomm, Inc. Apparatus and method for installing a decryption key
US7793326B2 (en) 2001-08-03 2010-09-07 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator
US7908628B2 (en) 2001-08-03 2011-03-15 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator content coding and formatting
US7224797B2 (en) 2001-08-17 2007-05-29 Koninklijke Philips Electronics N.V. System and method for hybrid conditional access for receivers of encrypted transmissions
US8312265B2 (en) * 2001-12-11 2012-11-13 Pinder Howard G Encrypting received content
US7242773B2 (en) 2002-09-09 2007-07-10 Sony Corporation Multiple partial encryption using retuning
US7218738B2 (en) 2002-01-02 2007-05-15 Sony Corporation Encryption and content control in a digital broadcast system
US7292691B2 (en) * 2002-01-02 2007-11-06 Sony Corporation Progressive video refresh slice detection
US7215770B2 (en) 2002-01-02 2007-05-08 Sony Corporation System and method for partially encrypted multimedia stream
US7233669B2 (en) 2002-01-02 2007-06-19 Sony Corporation Selective encryption to enable multiple decryption keys
US7376233B2 (en) 2002-01-02 2008-05-20 Sony Corporation Video slice and active region based multiple partial encryption
US7155012B2 (en) 2002-01-02 2006-12-26 Sony Corporation Slice mask and moat pattern partial encryption
US7765567B2 (en) 2002-01-02 2010-07-27 Sony Corporation Content replacement by PID mapping
US7292690B2 (en) * 2002-01-02 2007-11-06 Sony Corporation Video scene change detection
US7302059B2 (en) 2002-01-02 2007-11-27 Sony Corporation Star pattern partial encryption
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
MXPA04007264A (es) * 2002-01-30 2004-10-29 Lg Electronics Inc Metodo para mezclar datos de paquete usando longitud de ranura variable y aparato del mismo.
US7457967B2 (en) 2002-02-28 2008-11-25 The Directv Group, Inc. Hidden identification
US7275163B2 (en) * 2002-02-28 2007-09-25 The Directv Group, Inc. Asynchronous configuration
US7475259B1 (en) 2002-02-28 2009-01-06 The Directv Group, Inc. Multiple nonvolatile memories
US7437571B1 (en) 2002-02-28 2008-10-14 The Directv Group, Inc. Dedicated nonvolatile memory
EP2309411A3 (de) * 2002-04-23 2011-06-15 Panasonic Corporation Verfahren und System zur gesteuerten Verteilung von Softwareprogrammen
US7530084B2 (en) 2002-05-28 2009-05-05 Sony Corporation Method and apparatus for synchronizing dynamic graphics
US20030226029A1 (en) * 2002-05-29 2003-12-04 Porter Allen J.C. System for protecting security registers and method thereof
AU2003241089A1 (en) * 2002-06-12 2003-12-31 Koninklijke Philips Electronics N.V. Trick play of encrypted data in a conditional access signal
US7486792B2 (en) * 2002-08-23 2009-02-03 General Instrument Corporation Terrestrial broadcast copy protection system for digital television
US7343398B1 (en) 2002-09-04 2008-03-11 Packeteer, Inc. Methods, apparatuses and systems for transparently intermediating network traffic over connection-based authentication protocols
US8818896B2 (en) 2002-09-09 2014-08-26 Sony Corporation Selective encryption with coverage encryption
DE60208614T2 (de) * 2002-09-17 2006-08-03 Errikos Pitsos Verfahren und Vorrichtung zur Bereitstellung einer Liste von öffentlichen Schlüsseln in einem Public-Key-System
US8572408B2 (en) 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
US7724907B2 (en) 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
WO2004051390A2 (fr) * 2002-12-02 2004-06-17 Thomson Licensing S.A Dispositif susceptible d'utiliser un logiciel sécurisé interne ou externe et procédé d'utilisation correspondant
US8645988B2 (en) 2002-12-13 2014-02-04 Sony Corporation Content personalization for digital content
US8667525B2 (en) 2002-12-13 2014-03-04 Sony Corporation Targeted advertisement selection from a digital stream
EP1435558A1 (de) * 2003-01-02 2004-07-07 Texas Instruments Incorporated Integrierter Zufallszahlengenerator
US7409702B2 (en) 2003-03-20 2008-08-05 Sony Corporation Auxiliary program association table
US7292692B2 (en) 2003-03-25 2007-11-06 Sony Corporation Content scrambling with minimal impact on legacy devices
US20050010649A1 (en) * 2003-06-30 2005-01-13 Ray Payne Integrated security suite architecture and system software/hardware
US7330511B2 (en) * 2003-08-18 2008-02-12 Koplar Interactive Systems International, L.L.C. Method and system for embedding device positional data in video signals
US7286667B1 (en) 2003-09-15 2007-10-23 Sony Corporation Decryption system
US20050066355A1 (en) * 2003-09-19 2005-03-24 International Business Machines Corporation System and method for satellite broadcasting and receiving encrypted television data signals
US7853980B2 (en) 2003-10-31 2010-12-14 Sony Corporation Bi-directional indices for trick mode video-on-demand
US7346163B2 (en) 2003-10-31 2008-03-18 Sony Corporation Dynamic composition of pre-encrypted video on demand content
US7343013B2 (en) 2003-12-16 2008-03-11 Sony Corporation Composite session-based encryption of video on demand content
US7620180B2 (en) 2003-11-03 2009-11-17 Sony Corporation Preparation of content for multiple conditional access methods in video on demand
US7263187B2 (en) 2003-10-31 2007-08-28 Sony Corporation Batch mode session-based encryption of video on demand content
US20050198673A1 (en) * 2003-11-03 2005-09-08 John Kit Satellite TV security system
US7200405B2 (en) 2003-11-18 2007-04-03 Interdigital Technology Corporation Method and system for providing channel assignment information used to support uplink and downlink channels
US8396216B2 (en) * 2003-11-21 2013-03-12 Howard G. Pinder Partial dual-encryption using program map tables
US7694323B2 (en) * 2004-01-12 2010-04-06 Time Warner Cable, Inc. Technique for providing security measures for communications device connectable to a communications network
FR2865592A1 (fr) * 2004-01-28 2005-07-29 Noel Vogt Procede de diffusion securisee de programmes de television, systeme de diffusion, decodeur et support de donnees correspondants.
US20050169477A1 (en) * 2004-01-30 2005-08-04 Green Richard R. Wireless interface for removable digital content security devices
JP4531806B2 (ja) * 2004-03-09 2010-08-25 トムソン ライセンシング 独立チャネルにおける情報のクロス符号化
US7792152B1 (en) 2004-06-08 2010-09-07 Owlink Technology, Inc. Scheme for transmitting video and audio data of variable formats over a serial link of a fixed data rate
EP1607821A1 (de) 2004-06-17 2005-12-21 Nagracard S.A. Methode zur sicheren Programmaktualisierung in einem Sicherheitsmodul
JP4564319B2 (ja) * 2004-09-27 2010-10-20 株式会社東芝 通信装置と通信方法
US7895617B2 (en) 2004-12-15 2011-02-22 Sony Corporation Content substitution editor
US8041190B2 (en) 2004-12-15 2011-10-18 Sony Corporation System and method for the creation, synchronization and delivery of alternate content
JP4667108B2 (ja) 2005-04-11 2011-04-06 パナソニック株式会社 データ処理装置
US8447968B2 (en) * 2005-10-28 2013-05-21 Alcatel Lucent Air-interface application layer security for wireless networks
US8185921B2 (en) 2006-02-28 2012-05-22 Sony Corporation Parental control of displayed content using closed captioning
US7555464B2 (en) 2006-03-01 2009-06-30 Sony Corporation Multiple DRM management
US7987514B2 (en) * 2006-04-04 2011-07-26 Intertrust Technologies Corp. Systems and methods for retrofitting electronic appliances to accept different content formats
US8144266B2 (en) * 2007-02-27 2012-03-27 Sony Corporation Module system for permitting storage device interface with TV
JP5040479B2 (ja) * 2007-06-29 2012-10-03 富士通株式会社 通信装置、通信装置に適した通信ログ送信方法および通信システム
JP4536092B2 (ja) * 2007-07-30 2010-09-01 日本放送協会 限定受信方式の処理装置
JP4536091B2 (ja) * 2007-07-30 2010-09-01 日本放送協会 限定受信方式の処理装置及び処理方法
US20100262961A1 (en) * 2007-10-30 2010-10-14 Lg Electronics Inc. Method and system for downloading software
EP2198626A4 (de) * 2007-11-01 2012-02-08 Lg Electronics Inc Verfahren zur datenverarbeitung und iptv-empfangsvorrichtung
US20090293082A1 (en) * 2008-05-20 2009-11-26 Broadcom Corporation Video processing system with key table and methods for use therewith
EP2151999A1 (de) * 2008-08-06 2010-02-10 THOMSON Licensing Verfahren und Vorrichtung für den Zugriff auf geschützte Daten
TW201105083A (en) 2009-03-25 2011-02-01 Pacid Technologies Llc Token for securing communication
US20110307707A1 (en) 2009-03-25 2011-12-15 Pacid Technologies, Llc Method and system for securing a file
US8934625B2 (en) 2009-03-25 2015-01-13 Pacid Technologies, Llc Method and system for securing communication
US8726032B2 (en) 2009-03-25 2014-05-13 Pacid Technologies, Llc System and method for protecting secrets file
WO2010111448A1 (en) 2009-03-25 2010-09-30 Pacid Technologies, Llc Method and system for securing communication
US8837726B2 (en) * 2009-10-16 2014-09-16 Cisco Technology, Inc. Content protection key encryptor for security providers
ES2806261T3 (es) 2010-11-19 2021-02-17 Nagravision Sa Método para detectar software clonado
US9778389B2 (en) 2011-05-27 2017-10-03 Halliburton Energy Services, Inc. Communication applications
US9625603B2 (en) * 2011-05-27 2017-04-18 Halliburton Energy Services, Inc. Downhole communication applications
US8479021B2 (en) 2011-09-29 2013-07-02 Pacid Technologies, Llc Secure island computing system and method
US8856780B2 (en) * 2011-11-25 2014-10-07 Automotive Data Solutions Inc. Method and system to remotely flash an external module
GB2528226B (en) * 2013-04-25 2021-02-03 Treebox Solutions Pte Ltd Method performed by at least one server for processing a data packet from a first computing device to a second computing device to permit end-to-end encryptio
GB201502434D0 (en) * 2015-02-13 2015-04-01 Digital Barriers Services Ltd Video encoder
US9392213B1 (en) 2015-07-30 2016-07-12 Stmicroelectronics Asia Pacific Pte Ltd Recursive motion video de-interlacing device
US10061905B2 (en) 2016-01-26 2018-08-28 Twentieth Century Fox Film Corporation Method and system for conditional access via license of proprietary functionality
US11387996B2 (en) * 2016-03-14 2022-07-12 Arris Enterprises Llc Cable modem anti-cloning
US10757474B2 (en) 2018-04-27 2020-08-25 Twentieth Century Fox Home Entertainment Llc Method and apparatus for protecting data via application of corrupting function and complimentary restitution at video processing endpoints
US11770377B1 (en) * 2020-06-29 2023-09-26 Cyral Inc. Non-in line data monitoring and security services

Family Cites Families (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT454079A (de) * 1948-07-02
US4163254A (en) 1977-02-14 1979-07-31 Block Robert S Method and system for subscription television billing and access
FR2448824A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de videotex muni de moyens de controle d'acces a l'information
FR2448825A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de transmission d'information entre un centre d'emission et des postes recepteurs, ce systeme etant muni d'un moyen de controle de l'acces a l'information transmise
US4281216A (en) * 1979-04-02 1981-07-28 Motorola Inc. Key management for encryption/decryption systems
DE3003998A1 (de) * 1980-02-04 1981-09-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt System zur ver- und entschluesselung von daten
US4386266A (en) * 1980-02-11 1983-05-31 International Business Machines Corporation Method for operating a transaction execution system having improved verification of personal identification
US4317957A (en) * 1980-03-10 1982-03-02 Marvin Sendrow System for authenticating users and devices in on-line transaction networks
US4531021A (en) * 1980-06-19 1985-07-23 Oak Industries Inc. Two level encripting of RF signals
JPS57501899A (de) * 1980-09-26 1982-10-21
JPS5781433A (en) * 1980-11-11 1982-05-21 Central Glass Co Ltd Purification of hexafluoroacetone
JPS57125590A (en) * 1981-01-28 1982-08-04 Nec Corp Still picture transmitter
US4399323A (en) * 1981-02-09 1983-08-16 Bell Telephone Laboratories, Incorporated Fast real-time public key cryptography
US4388643A (en) * 1981-04-06 1983-06-14 Northern Telecom Limited Method of controlling scrambling and unscrambling in a pay TV system
US4484027A (en) * 1981-11-19 1984-11-20 Communications Satellite Corporation Security system for SSTV encryption
USRE33189E (en) * 1981-11-19 1990-03-27 Communications Satellite Corporation Security system for SSTV encryption
CA1231435A (en) * 1982-04-23 1988-01-12 Gordon M. Drury Signal coding for secure transmission
US4658292A (en) * 1982-04-30 1987-04-14 Nec Corporation Enciphering key distribution system for subscription TV broadcast or catv system
US4484217A (en) 1982-05-11 1984-11-20 Telease, Inc. Method and system for remote reporting, particularly for pay television billing
CA1186028A (en) * 1982-06-23 1985-04-23 Microdesign Limited Method and apparatus for scrambling and unscrambling data streams using encryption and decryption
US4531020A (en) * 1982-07-23 1985-07-23 Oak Industries Inc. Multi-layer encryption system for the broadcast of encrypted information
US4558175A (en) * 1982-08-02 1985-12-10 Leonard J. Genest Security system and method for securely communicating therein
US4625235A (en) * 1983-05-19 1986-11-25 Westinghouse Electric Corp. Remote control switching of television sources
US4613901A (en) * 1983-05-27 1986-09-23 M/A-Com Linkabit, Inc. Signal encryption and distribution system for controlling scrambling and selective remote descrambling of television signals
US4608456A (en) * 1983-05-27 1986-08-26 M/A-Com Linkabit, Inc. Digital audio scrambling system with error conditioning
WO1985000491A1 (en) * 1983-06-30 1985-01-31 Independent Broadcasting Authority Encrypted broadcast television system
CA1219930A (en) * 1983-07-21 1987-03-31 Takashi Kamitake Information transmission system
EP0151147B1 (de) * 1983-07-22 1988-04-20 Independent Broadcasting Authority Sicherheitssystem für fernsehsignalchiffrierung
US4530008A (en) * 1983-10-03 1985-07-16 Broadband Technologies, Inc. Secured communications system
US4682224A (en) * 1983-10-31 1987-07-21 R. F. Monolithics, Inc. System, method, and apparatus for television signal scrambling and descrambling
US4682223A (en) * 1983-10-31 1987-07-21 R. F. Monolithics, Inc. Descrambler unit method and apparatus for television signal descrambling
US4663664A (en) * 1983-10-31 1987-05-05 R. F. Monolithics, Inc. Electronic ticket method and apparatus for television signal scrambling and descrambling
EP0152251A3 (de) * 1984-02-07 1986-07-30 Communications Patents Limited Rundfunksystem
US4634808A (en) * 1984-03-15 1987-01-06 M/A-Com Government Systems, Inc. Descrambler subscriber key production system utilizing key seeds stored in descrambler
US4712238A (en) * 1984-06-08 1987-12-08 M/A-Com Government Systems, Inc. Selective-subscription descrambling
US4751732A (en) * 1984-07-06 1988-06-14 Kabushiki Kaisha Toshiba Broadcasting system
US4559647A (en) * 1984-09-10 1985-12-24 Rae Smith Convertible garment
US4829569A (en) * 1984-09-21 1989-05-09 Scientific-Atlanta, Inc. Communication of individual messages to subscribers in a subscription television system
US4890319A (en) 1984-09-21 1989-12-26 Scientific-Atlantic, Inc. Method for controlling copying of protected information transmitted over a communications link
US4907273A (en) * 1984-10-12 1990-03-06 Wiedemer John D High security pay television system
US4905280A (en) * 1984-10-12 1990-02-27 Wiedemer John D High security videotext and videogame system
US4696034A (en) * 1984-10-12 1987-09-22 Signal Security Technologies High security pay television system
CA1244090A (en) * 1984-10-26 1988-11-01 General Instrument Corporation Cryptographic system for direct broadcast satellite network
US4709266A (en) * 1985-01-14 1987-11-24 Oak Industries Inc. Satellite scrambling communication network using geographically separated uplinks
US4685131A (en) * 1985-03-11 1987-08-04 General Instrument Corp. Program blocking method for use in direct broadcast satellite system
GB8509390D0 (en) * 1985-04-12 1985-05-15 Paytel Ltd Video transmission system
JPS62105293A (ja) * 1985-10-31 1987-05-15 Toshiba Corp 携帯可能記録媒体の読取・書込装置
JPH0754536B2 (ja) * 1986-02-17 1995-06-07 株式会社日立製作所 Icカ−ド利用システム
US4866770A (en) * 1986-07-08 1989-09-12 Scientific Atlanta, Inc. Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system
GB8621333D0 (en) * 1986-09-04 1986-10-15 Manitoba Telephone System Key management system
US4993066C1 (en) * 1987-02-26 2001-04-24 Techsearch L L C Method for television scrambling
US4807286A (en) * 1987-04-22 1989-02-21 Wiedemer John D High security pay television system
GB2206431B (en) * 1987-06-30 1991-05-29 Motorola Inc Data card circuits
JPS648334A (en) * 1987-06-30 1989-01-12 Mazda Motor Air-fuel ratio controller of engine
US5134700A (en) * 1987-09-18 1992-07-28 General Instrument Corporation Microcomputer with internal ram security during external program mode
US4926444A (en) 1988-04-29 1990-05-15 Scientific-Atlanta, Inc. Data transmission method and apparatus by period shift keying (TSK)
US4864615A (en) * 1988-05-27 1989-09-05 General Instrument Corporation Reproduction of secure keys by using distributed key generation data
US4933898A (en) * 1989-01-12 1990-06-12 General Instrument Corporation Secure integrated circuit chip with conductive shield
GB2231755B (en) * 1989-04-21 1993-10-06 Pioneer Electronic Corp Method for scrambling a television signal and method and apparatus for descrambling a scrambled television signal
US5029207A (en) * 1990-02-01 1991-07-02 Scientific-Atlanta, Inc. External security module for a television signal decoder
US5111504A (en) * 1990-08-17 1992-05-05 General Instrument Corporation Information processing apparatus with replaceable security element

Also Published As

Publication number Publication date
JPH05145923A (ja) 1993-06-11
ATE180373T1 (de) 1999-06-15
PH31140A (en) 1998-03-03
EP0679029B1 (de) 1999-06-09
DE69229235T2 (de) 1999-09-23
US5237610A (en) 1993-08-17
AU1384092A (en) 1992-10-01
ATE144670T1 (de) 1996-11-15
DE69229408D1 (de) 1999-07-15
CN1066950A (zh) 1992-12-09
ATE181196T1 (de) 1999-06-15
BR9201106A (pt) 1992-11-24
JP3476481B2 (ja) 2003-12-10
DE69229235D1 (de) 1999-06-24
EP0679029A1 (de) 1995-10-25
EP0683614A1 (de) 1995-11-22
SG44801A1 (en) 1997-12-19
CN1030955C (zh) 1996-02-07
EP0506435B1 (de) 1996-10-23
MY131301A (en) 2007-08-30
DE69229408T2 (de) 1999-11-11
EP0506435A3 (de) 1992-11-25
EP0683614B1 (de) 1999-05-19
DE69214698D1 (de) 1996-11-28
EP0506435A2 (de) 1992-09-30
AU650958B2 (en) 1994-07-07

Similar Documents

Publication Publication Date Title
DE69214698T2 (de) Unabhängiges externes Sicherheitsmodul für einen digital-erweiterbaren Fernsehsignaldekoder
GB2262416B (en) Signal weighting system for digital receiver
TW344906B (en) Timepiece including a receiving and/or transmitting antenna for radio broadcast signals
DE69005905D1 (de) Empfänger für terrestrische AM- und Satelliten-FM-Fernsehsignale.
GB2261128B (en) Intermittant operation receiver with signal level gain control
NO913611D0 (no) Radiosignalmottager.
NZ219585A (en) Rf receiver; weighted multiple signals null out jamming signal
EP0529442A3 (en) Television receiver using digital signal processors
AU7430894A (en) UHF/L-band monolithic direct digital receiver
GB2222332B (en) Radio receiver receiving voice and data signals
HK1029480A1 (en) Data communication system
DE59712492D1 (de) Rundfunkempfangssystem für ein Fahrzeug, mit mehreren Empfangseinheiten, mit Erfassung der im Funkprogramm enthaltenen Zusatzdaten
AU5389890A (en) System for transmitting a digital video signal including time code signals
GB9008743D0 (en) Satellite broadcast signal receiver
KR950701175A (ko) 음성/데이타 신호를 이용하는 무선전화기 시스템(radio telephone system using voice/data signal)
EP0614320A3 (de) Fernsehempfänger und Fernsehsignalbestimmungsschaltung.
DE3172966D1 (en) Monolithic integrated television receiver vertical deflection circuit with digital tangent-corrected line frequency signal processing
EP0139470A3 (de) Fersehempfänger
EP0608934A3 (en) Television signal reception.
KR940027754U (ko) 위성 수신기의 오디오 신호 제어회로
EP0441332A3 (en) Improved television signal receiver
IE883781L (en) Television signal receiver
IT1277850B1 (it) Apparecchio per l'intrattenimento, quale un ricevitore e/o riproduttore di segnali, in particolare televisivi, con telecomando
RU1821937C (en) Phase-keyed signal receiver
KR0111771Y1 (en) Antenna input signal level indication circuit

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee