PH31140A - Independent external security module for a digitally upgradeable television signal decoder. - Google Patents

Independent external security module for a digitally upgradeable television signal decoder.

Info

Publication number
PH31140A
PH31140A PH44115A PH44115A PH31140A PH 31140 A PH31140 A PH 31140A PH 44115 A PH44115 A PH 44115A PH 44115 A PH44115 A PH 44115A PH 31140 A PH31140 A PH 31140A
Authority
PH
Philippines
Prior art keywords
digitally
security module
television signal
signal decoder
external security
Prior art date
Application number
PH44115A
Other languages
English (en)
Inventor
Gammie Keith
Robert K Yoneda
Woo Arthur
Sheldrick Wayne
Original Assignee
Scientific Atlanta
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 filed Critical Scientific Atlanta
Publication of PH31140A publication Critical patent/PH31140A/en

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 or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
PH44115A 1991-03-29 1992-03-25 Independent external security module for a digitally upgradeable television signal decoder. PH31140A (en)

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 (1)

Publication Number Publication Date
PH31140A true PH31140A (en) 1998-03-03

Family

ID=24718797

Family Applications (1)

Application Number Title Priority Date Filing Date
PH44115A PH31140A (en) 1991-03-29 1992-03-25 Independent external security module for a digitally upgradeable television signal decoder.

Country Status (10)

Country Link
US (1) US5237610A (de)
EP (3) EP0679029B1 (de)
JP (1) JP3476481B2 (de)
CN (1) CN1030955C (de)
AT (3) ATE181196T1 (de)
BR (1) BR9201106A (de)
DE (3) DE69229235T2 (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
DE69333831T2 (de) * 1992-08-06 2005-11-10 Fujitsu Ltd., Kawasaki Terminal für Transaktionsverarbeitungssystem unter Verwendung von Teletextübertragung
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
US5600364A (en) 1992-12-09 1997-02-04 Discovery Communications, Inc. Network controller for cable television delivery systems
US5600573A (en) 1992-12-09 1997-02-04 Discovery Communications, Inc. Operations center with video storage for a television program packaging and delivery system
US5798785A (en) * 1992-12-09 1998-08-25 Discovery Communications, Inc. Terminal for suggesting programs offered on a television program delivery system
US7849393B1 (en) 1992-12-09 2010-12-07 Discovery Communications, Inc. Electronic book connection to world watch live
US7168084B1 (en) 1992-12-09 2007-01-23 Sedna Patent Services, Llc Method and apparatus for targeting virtual objects
US8073695B1 (en) 1992-12-09 2011-12-06 Adrea, LLC Electronic book with voice emulation features
US7509270B1 (en) 1992-12-09 2009-03-24 Discovery Communications, Inc. Electronic Book having electronic commerce features
US6201536B1 (en) 1992-12-09 2001-03-13 Discovery Communications, Inc. Network manager for cable television system headends
US7269841B1 (en) 1992-12-09 2007-09-11 Sedna Patent Services, Llc Digital cable headend for cable television delivery system
EP0920207B2 (de) * 1992-12-09 2006-09-27 Sedna Patent Services, LLC Interaktives Endgerät für Fernsehverteilsystem
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
US6463585B1 (en) 1992-12-09 2002-10-08 Discovery Communications, Inc. Targeted advertisement using television delivery systems
US7073187B1 (en) 1992-12-09 2006-07-04 Sedna Patent Services, Llc Menu-driven television program access system and method
US7835989B1 (en) 1992-12-09 2010-11-16 Discovery Communications, Inc. Electronic book alternative delivery systems
US5659350A (en) * 1992-12-09 1997-08-19 Discovery Communications, Inc. Operations center for a television program packaging and 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.
US6771617B1 (en) 1993-06-17 2004-08-03 Gilat Satellite Networks, Ltd. Frame relay protocol-based multiplex switching scheme for satellite mesh network
US5434850A (en) 1993-06-17 1995-07-18 Skydata Corporation Frame relay protocol-based multiplex switching scheme for satellite
US6031867A (en) * 1993-07-02 2000-02-29 Multi-Tech Systems, Inc. Modem with firmware upgrade feature
US7865567B1 (en) 1993-12-02 2011-01-04 Discovery Patent Holdings, Llc Virtual on-demand electronic book
US8095949B1 (en) 1993-12-02 2012-01-10 Adrea, LLC Electronic book with restricted access features
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
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
WO1995026086A1 (en) * 1994-03-18 1995-09-28 Thomson Consumer Electronics, Inc. Data decryption apparatus in a subscription television signal receiving system
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
JPH07271865A (ja) 1994-04-01 1995-10-20 Mitsubishi Corp データベース著作権管理方法
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
DE69535496T2 (de) * 1994-05-24 2008-04-10 Sony Corp. Datenbuskommunikation
USRE38898E1 (en) 1994-05-24 2005-11-29 Sony Corporation Video data bus communication system and method
DE4419634A1 (de) * 1994-06-04 1995-12-07 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von digitalen Informationen und Verfahren zur Durchführung der Ver- und Entschlüsselung dieser
US6701370B1 (en) 1994-06-08 2004-03-02 Hughes Electronics Corporation Network system with TCP/IP protocol spoofing
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
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
BR9507981A (pt) * 1994-06-15 1997-08-12 Thomson De Consumer Electronic Aparelho para processamento de sinais
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
US5745084A (en) * 1994-06-17 1998-04-28 Lusignan; Bruce B. Very small aperture terminal & antenna 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
TW274170B (en) * 1994-06-17 1996-04-11 Terrastar Inc Satellite communication system, receiving antenna & components 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
AU692600B2 (en) * 1994-09-12 1998-06-11 Scientific-Atlanta, Inc. Cable television apparatus employing two-way communication
US7302415B1 (en) 1994-09-30 2007-11-27 Intarsia Llc Data copyright management system
DE69532434T2 (de) 1994-10-27 2004-11-11 Mitsubishi Corp. Gerät für Dateiurheberrechte-Verwaltungssystem
EP0709760B1 (de) 1994-10-27 2006-05-31 Intarsia Software LLC Urheberrechtsdatenverwaltungssystem
US6424715B1 (en) 1994-10-27 2002-07-23 Mitsubishi Corporation Digital content management system and apparatus
SG34287A1 (en) 1994-10-28 1996-12-06 Hitachi Ltd Input-output circuit recording apparatus and reproduction apparatus for digital video signal
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
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
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
US6157719A (en) * 1995-04-03 2000-12-05 Scientific-Atlanta, Inc. Conditional access system
US6252964B1 (en) * 1995-04-03 2001-06-26 Scientific-Atlanta, Inc. Authorization of services in a conditional access system
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
US8548166B2 (en) 1995-04-03 2013-10-01 Anthony J. Wasilewski Method for partially encrypting program data
US6424717B1 (en) 1995-04-03 2002-07-23 Scientific-Atlanta, Inc. Encryption devices for use in a conditional access system
US20040136532A1 (en) * 1995-04-03 2004-07-15 Pinder Howard G. Partial dual-encrypted stream utilizing program map tables
US6937729B2 (en) 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US6163644A (en) 1995-04-27 2000-12-19 Hitachi, Ltd. Method and apparatus for receiving and/or reproducing digital signal
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
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
DE69630060T2 (de) 1995-07-14 2004-07-08 Sony Corp. Verfahren zur Übertragung von digitalen Daten und Aufzeichnungsmedium
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
US5784095A (en) * 1995-07-14 1998-07-21 General Instrument Corporation Digital audio system with video output program guide
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
IT1281321B1 (it) * 1995-08-04 1998-02-18 Telecom Italia Spa Rete di distribuzione cinematografica in alta definizione televisiva
US8595502B2 (en) 1995-09-29 2013-11-26 Intarsia Software Llc Data management system
US5689561A (en) * 1995-10-06 1997-11-18 Pace; Michael Computer-based trading card system and method
US6061656A (en) * 1995-10-06 2000-05-09 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
WO1997024832A1 (en) * 1995-12-29 1997-07-10 Scientific-Atlanta, Inc. Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
US6300880B1 (en) * 1996-01-16 2001-10-09 Philips Electronics North America Corp. Multichannel audio distribution system having portable receivers
DE69704684T2 (de) * 1996-02-23 2004-07-15 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
US5933620A (en) * 1996-03-28 1999-08-03 Advanced Micro Devices, Inc. Method and apparatus for serializing microprocessor identification numbers
US5774544A (en) * 1996-03-28 1998-06-30 Advanced Micro Devices, Inc. Method an apparatus for encrypting and decrypting microprocessor serial 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
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
FR2750554B1 (fr) * 1996-06-28 1998-08-14 Thomson Multimedia Sa Systeme a acces conditionnel et carte a puce permettant un tel acces
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
IL120174A (en) * 1997-02-07 1999-10-28 News Datacom Ltd Digital recording protection system
EP0858184A3 (de) 1997-02-07 1999-09-01 Nds Limited System zum Schutz von digitalen Aufzeichnungen
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
KR100629413B1 (ko) * 1997-03-21 2006-09-27 까날 + (쏘시에떼 아노님) 암호화된 방송신호의 수신기에 사용하는 스마트카드, 및 수신기
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
BR9809917A (pt) * 1997-06-06 2000-08-01 Thomson Consumer Electronics Sistema global de acesso condicional para serviços de difusão
WO1999007145A1 (en) * 1997-08-01 1999-02-11 Scientific-Atlanta, Inc. Verification of the source of program of information in a conditional access system
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
EP0989557A4 (de) * 1998-01-26 2009-12-23 Panasonic Corp Verfahren und system zur aufzeichnung /wiedergabe von daten, vorrichtung zur aufzeichung/wiedergabe undaufzeichungsmedium
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
EP0984630B1 (de) 1998-09-01 2006-08-23 Irdeto Access B.V. Datenübertragungssystem
ATE325505T1 (de) 1998-09-01 2006-06-15 Irdeto Access Bv Sicheres datensignalübertragungssystem
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
US7730300B2 (en) 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
US6697489B1 (en) 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
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
KR100735503B1 (ko) * 1999-08-27 2007-07-06 소니 가부시끼 가이샤 정보 송신 시스템, 장치 및 방법 및 정보 수신 시스템,장치 및 방법
US6289455B1 (en) 1999-09-02 2001-09-11 Crypotography Research, Inc. Method and apparatus for preventing piracy of digital content
EP1145242A3 (de) * 1999-09-03 2001-12-05 Koninklijke Philips Electronics N.V. Rückgewinnung eines grundschlüssels aus aufgezeichneter veröffentlichung
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
US20020037081A1 (en) * 2000-04-28 2002-03-28 David Rogoff Cryptographic key distribution system and method for digital video systems
WO2001084836A2 (en) * 2000-04-28 2001-11-08 Broadcom Corporation 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
CN1423893A (zh) * 2000-06-19 2003-06-11 皇家菲利浦电子有限公司 在数字有线电视装置中使用的应用项特定的部署点模块
US7050586B1 (en) * 2000-06-19 2006-05-23 Intertrust Technologies Corporation Systems and methods for retrofitting electronic appliances to accept different content formats
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
BRPI0115331B1 (pt) * 2000-11-13 2016-11-01 Nagravision Sa método para induzir atualização de um produto expansível
GB0031437D0 (en) * 2000-12-22 2001-02-07 Koninkl Philips Electronics Nv Distributed digital television system and related method
KR20030063446A (ko) * 2000-12-22 2003-07-28 나그라비젼 에스에이 복제 방지 방법
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
DE10104441A1 (de) * 2001-02-01 2002-08-08 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
US7350082B2 (en) 2001-06-06 2008-03-25 Sony Corporation Upgrading of encryption
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
US7151831B2 (en) 2001-06-06 2006-12-19 Sony Corporation Partial encryption and PID mapping
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
US7908628B2 (en) 2001-08-03 2011-03-15 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator content coding and formatting
US7793326B2 (en) 2001-08-03 2010-09-07 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator
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
US7233669B2 (en) 2002-01-02 2007-06-19 Sony Corporation Selective encryption to enable multiple decryption keys
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
US7765567B2 (en) 2002-01-02 2010-07-27 Sony Corporation Content replacement by PID mapping
US7215770B2 (en) 2002-01-02 2007-05-08 Sony Corporation System and method for partially encrypted multimedia stream
US7242773B2 (en) 2002-09-09 2007-07-10 Sony Corporation Multiple partial encryption using retuning
US7155012B2 (en) 2002-01-02 2006-12-26 Sony Corporation Slice mask and moat pattern partial encryption
US7376233B2 (en) 2002-01-02 2008-05-20 Sony Corporation Video slice and active region based multiple partial encryption
US7292691B2 (en) * 2002-01-02 2007-11-06 Sony Corporation Progressive video refresh slice detection
US7218738B2 (en) 2002-01-02 2007-05-15 Sony Corporation Encryption and content control in a digital broadcast system
US7302059B2 (en) 2002-01-02 2007-11-27 Sony Corporation Star pattern partial encryption
US7292690B2 (en) * 2002-01-02 2007-11-06 Sony Corporation Video scene change detection
RU2292644C2 (ru) * 2002-01-30 2007-01-27 Эл Джи Электроникс Инк. Способ скремблирования пакетных данных с использованием переменного количества слотов постоянной длины и устройство для его осуществления
US7437571B1 (en) 2002-02-28 2008-10-14 The Directv Group, Inc. Dedicated nonvolatile memory
US7475259B1 (en) 2002-02-28 2009-01-06 The Directv Group, Inc. Multiple nonvolatile memories
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
CN1307503C (zh) * 2002-04-23 2007-03-28 松下电器产业株式会社 服务器装置及程序管理系统
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
US20050201556A1 (en) * 2002-06-12 2005-09-15 Koninklijke Philipselectronics 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
DE60220959T2 (de) * 2002-09-17 2008-02-28 Errikos Pitsos Verfahren und Vorrichtung zur Bereitstellung einer Liste von öffentlichen Schlüsseln in einem Public-Key-System
US7724907B2 (en) 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
US8572408B2 (en) 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
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
US8667525B2 (en) 2002-12-13 2014-03-04 Sony Corporation Targeted advertisement selection from a digital stream
US8645988B2 (en) 2002-12-13 2014-02-04 Sony Corporation Content personalization for digital content
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
US7620180B2 (en) 2003-11-03 2009-11-17 Sony Corporation Preparation of content for multiple conditional access methods in video on demand
US7346163B2 (en) 2003-10-31 2008-03-18 Sony Corporation Dynamic composition of pre-encrypted video on demand content
US7263187B2 (en) 2003-10-31 2007-08-28 Sony Corporation Batch mode session-based encryption of video on demand content
US7343013B2 (en) 2003-12-16 2008-03-11 Sony Corporation Composite 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
WO2005099206A1 (en) 2004-03-09 2005-10-20 Thomson Licensing Cross-encoding of information in independent channels
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
JP5266330B2 (ja) * 2007-11-01 2013-08-21 エルジー エレクトロニクス インコーポレイティド データ処理方法及びiptv受信デバイス
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
US8934625B2 (en) 2009-03-25 2015-01-13 Pacid Technologies, Llc Method and system for securing communication
US8959350B2 (en) 2009-03-25 2015-02-17 Pacid Technologies, Llc Token for securing communication
WO2010111438A2 (en) 2009-03-25 2010-09-30 Pacid Technologies, Llc System and method for protecting a secrets file
WO2010111448A1 (en) 2009-03-25 2010-09-30 Pacid Technologies, Llc Method and system for securing communication
TW201103298A (en) 2009-03-25 2011-01-16 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
EP2641208B1 (de) 2010-11-19 2020-04-29 Nagravision S.A. Verfahren für den nachweis von geklonter software
WO2012166100A1 (en) * 2011-05-27 2012-12-06 Halliburton Energy Services, Inc. Downhole communication applications
US9778389B2 (en) 2011-05-27 2017-10-03 Halliburton Energy Services, Inc. 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
JP6573600B2 (ja) * 2013-04-25 2019-09-11 ツリーボックス・ソリューションズ・ピーティーイー・リミテッド エンドツーエンド暗号化通信を許可するために第1のコンピューティングデバイスから第2のコンピューティングデバイスへのデータパケットを処理するための少なくとも1つのサーバによって実行される方法
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
EP0067998B1 (de) * 1980-09-26 1986-04-16 Bo LÖFBERG Verfahren zur verarbeitung eines informationssignals und mittel zur ausführung des verfahrens
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
US4636851A (en) * 1982-04-23 1987-01-13 Independent Broadcasting Authority 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
US4608456A (en) * 1983-05-27 1986-08-26 M/A-Com Linkabit, Inc. Digital audio scrambling system with error conditioning
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
DE3474496D1 (en) * 1983-06-30 1988-11-10 Indep 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
GB2154108B (en) * 1984-02-07 1987-06-03 Communications Patents Ltd Broadcasting system
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
US4890319A (en) 1984-09-21 1989-12-26 Scientific-Atlantic, Inc. Method for controlling copying of protected information transmitted over a communications link
US4829569A (en) * 1984-09-21 1989-05-09 Scientific-Atlanta, Inc. Communication of individual messages to subscribers in a subscription television system
US4696034A (en) * 1984-10-12 1987-09-22 Signal Security Technologies High security pay television system
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
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
JPS648334A (en) * 1987-06-30 1989-01-12 Mazda Motor Air-fuel ratio controller of engine
GB2206431B (en) * 1987-06-30 1991-05-29 Motorola Inc Data card circuits
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
ATE144670T1 (de) 1996-11-15
EP0506435B1 (de) 1996-10-23
EP0683614A1 (de) 1995-11-22
EP0506435A3 (de) 1992-11-25
DE69229235D1 (de) 1999-06-24
EP0679029B1 (de) 1999-06-09
MY131301A (en) 2007-08-30
ATE180373T1 (de) 1999-06-15
EP0506435A2 (de) 1992-09-30
EP0683614B1 (de) 1999-05-19
DE69229408T2 (de) 1999-11-11
DE69214698D1 (de) 1996-11-28
DE69229235T2 (de) 1999-09-23
JP3476481B2 (ja) 2003-12-10
EP0679029A1 (de) 1995-10-25
AU1384092A (en) 1992-10-01
JPH05145923A (ja) 1993-06-11
DE69229408D1 (de) 1999-07-15
SG44801A1 (en) 1997-12-19
CN1066950A (zh) 1992-12-09
DE69214698T2 (de) 1997-03-06
BR9201106A (pt) 1992-11-24
US5237610A (en) 1993-08-17
AU650958B2 (en) 1994-07-07
CN1030955C (zh) 1996-02-07
ATE181196T1 (de) 1999-06-15

Similar Documents

Publication Publication Date Title
PH31140A (en) Independent external security module for a digitally upgradeable television signal decoder.
GB2262416B (en) Signal weighting system for digital receiver
EP0424026A3 (en) Video signal transmitting system
EP0521732A3 (en) Antenna system for receiving broadcast or communication signals from satellite
GB2261128B (en) Intermittant operation receiver with signal level gain control
EP0529442A3 (en) Television receiver using digital signal processors
GB2277655B (en) Digital signal processing system
IL109668A (en) Secure communication system
EP0512398A3 (en) Conversion of television signal formats with retention of common control data stream
AU7430894A (en) UHF/L-band monolithic direct digital receiver
GB8715654D0 (en) Transmitting & receiving television signal
AU7654787A (en) Television signal processing system
AU8535691A (en) Video signal processing system architecture
AU6395190A (en) Receiver for television signals
AU642410B2 (en) System for transmitting a digital video signal including time code signals
GB2235340B (en) Satellite broadcast signal receiver
GB2103448B (en) System for digitizing and processing video signals and a television signal receiver comprising such a system
NZ220774A (en) Tv receiver for video signal transmitted with audio/data
HK1006904A1 (en) System for transmitting and receiving television signals
AU4743897A (en) Receiver signal processing system for cap signals
AU4617293A (en) Extended television signal receiver
AU6336294A (en) Video signal transmitting system
EP0614320A3 (de) Fernsehempfänger und Fernsehsignalbestimmungsschaltung.
EP0587224A3 (en) Extended television signal receiver
GB9724974D0 (en) Digital signal processing system