FR2448825B1 - - Google Patents

Info

Publication number
FR2448825B1
FR2448825B1 FR7902995A FR7902995A FR2448825B1 FR 2448825 B1 FR2448825 B1 FR 2448825B1 FR 7902995 A FR7902995 A FR 7902995A FR 7902995 A FR7902995 A FR 7902995A FR 2448825 B1 FR2448825 B1 FR 2448825B1
Authority
FR
France
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
Application number
FR7902995A
Other languages
French (fr)
Other versions
FR2448825A1 (fr
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.)
Telediffusion de France ets Public de Diffusion
Original Assignee
Telediffusion de France ets Public de Diffusion
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 Telediffusion de France ets Public de Diffusion filed Critical Telediffusion de France ets Public de Diffusion
Priority to FR7902995A priority Critical patent/FR2448825A1/fr
Priority to US06/114,555 priority patent/US4323921A/en
Priority to CA000344684A priority patent/CA1157144A/en
Priority to DE8080400170T priority patent/DE3069329D1/de
Priority to EP80400170A priority patent/EP0014653B1/fr
Priority to JP55500388A priority patent/JPH027234B2/ja
Priority to PCT/FR1980/000018 priority patent/WO1980001635A1/fr
Priority to ES488279A priority patent/ES8106993A1/es
Priority to SU802987385A priority patent/SU963479A3/ru
Publication of FR2448825A1 publication Critical patent/FR2448825A1/fr
Priority to BR8006309A priority patent/BR8006309A/pt
Application granted granted Critical
Publication of FR2448825B1 publication Critical patent/FR2448825B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26613—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing keys in general
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management 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
    • H04N21/462—Content 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
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Small-Scale Networks (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Lock And Its Accessories (AREA)
  • Circuits Of Receivers In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Selective Calling Equipment (AREA)
FR7902995A 1979-02-06 1979-02-06 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 Granted FR2448825A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7902995A FR2448825A1 (fr) 1979-02-06 1979-02-06 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
US06/114,555 US4323921A (en) 1979-02-06 1980-01-23 System for transmitting information provided with means for controlling access to the information transmitted
CA000344684A CA1157144A (en) 1979-02-06 1980-01-30 System for transmitting information between an emitting centre and receiving stations
EP80400170A EP0014653B1 (fr) 1979-02-06 1980-02-04 Système de transmission d'information entre un centre d'émission et des postes récepteurs, ce système étant muni d'un moyen de contrôle de l'accès à l'information transmise
DE8080400170T DE3069329D1 (en) 1979-02-06 1980-02-04 System for conveying information between a transmitting centre and receiving stations, the system being provided with control means for gaining access to the conveyed information
JP55500388A JPH027234B2 (US08124630-20120228-C00102.png) 1979-02-06 1980-02-05
PCT/FR1980/000018 WO1980001635A1 (fr) 1979-02-06 1980-02-05 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
ES488279A ES8106993A1 (es) 1979-02-06 1980-02-05 Perfeccionamientos en sistemas de transmision de informacionentre un centro de emision y unos puestos receptores
SU802987385A SU963479A3 (ru) 1979-02-06 1980-02-05 Система передачи и приема информации
BR8006309A BR8006309A (pt) 1979-02-06 1980-09-30 Sistema de transmissao de informacao entre um centro de emissao e estacoes receptoras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902995A FR2448825A1 (fr) 1979-02-06 1979-02-06 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

Publications (2)

Publication Number Publication Date
FR2448825A1 FR2448825A1 (fr) 1980-09-05
FR2448825B1 true FR2448825B1 (US08124630-20120228-C00102.png) 1984-05-11

Family

ID=9221651

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902995A Granted FR2448825A1 (fr) 1979-02-06 1979-02-06 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

Country Status (9)

Country Link
US (1) US4323921A (US08124630-20120228-C00102.png)
EP (1) EP0014653B1 (US08124630-20120228-C00102.png)
JP (1) JPH027234B2 (US08124630-20120228-C00102.png)
CA (1) CA1157144A (US08124630-20120228-C00102.png)
DE (1) DE3069329D1 (US08124630-20120228-C00102.png)
ES (1) ES8106993A1 (US08124630-20120228-C00102.png)
FR (1) FR2448825A1 (US08124630-20120228-C00102.png)
SU (1) SU963479A3 (US08124630-20120228-C00102.png)
WO (1) WO1980001635A1 (US08124630-20120228-C00102.png)

Families Citing this family (213)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448824A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de videotex muni de moyens de controle d'acces a l'information
US4499556A (en) * 1979-09-07 1985-02-12 Paperless Accounting Inc Security arrangements in data transfer equipment
FR2467515A1 (fr) * 1979-10-10 1981-04-17 Telediffusion Fse Systeme de chiffrement et de dechiffrement d'un signal numerique
US4531021A (en) * 1980-06-19 1985-07-23 Oak Industries Inc. Two level encripting of RF signals
US4388643A (en) * 1981-04-06 1983-06-14 Northern Telecom Limited Method of controlling scrambling and unscrambling in a pay TV system
US4433207A (en) * 1981-09-10 1984-02-21 Best Robert M Cryptographic decoder for computer programs
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
USRE33189E (en) * 1981-11-19 1990-03-27 Communications Satellite Corporation Security system for SSTV encryption
US4484027A (en) * 1981-11-19 1984-11-20 Communications Satellite Corporation Security system for SSTV encryption
US4658292A (en) * 1982-04-30 1987-04-14 Nec Corporation Enciphering key distribution system for subscription TV broadcast or catv system
US4531020A (en) * 1982-07-23 1985-07-23 Oak Industries Inc. Multi-layer encryption system for the broadcast of encrypted information
US4740912A (en) * 1982-08-02 1988-04-26 Whitaker Ranald O Quinews-electronic replacement for the newspaper
US4605973A (en) * 1982-08-23 1986-08-12 Kohorn H Von System, apparatus and method for recording and editing broadcast transmissions
US4520404A (en) * 1982-08-23 1985-05-28 Kohorn H Von System, apparatus and method for recording and editing broadcast transmissions
FR2542533A1 (fr) * 1983-03-11 1984-09-14 Thomson Brandt Systeme de controle d'acces, notamment a des informations diffusees, au moyen d'une carte d'acces optique
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
CA1219930A (en) * 1983-07-21 1987-03-31 Takashi Kamitake Information transmission system
US4768087A (en) * 1983-10-07 1988-08-30 National Information Utilities Corporation Education utility
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
AU3542284A (en) * 1984-03-30 1985-10-03 Wang Laboratories, Inc. Enhanced videotex decoder
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
US4885775A (en) * 1984-09-21 1989-12-05 Scientific-Atlanta, Inc. Information display scheme for subscribers of a subscription television system
US4829569A (en) * 1984-09-21 1989-05-09 Scientific-Atlanta, Inc. Communication of individual messages to subscribers in a subscription television system
CA1244090A (en) * 1984-10-26 1988-11-01 General Instrument Corporation Cryptographic system for direct broadcast satellite network
US5036537A (en) * 1984-11-19 1991-07-30 General Instrument Corp. Geographic black-out method for direct broadcast satellite system
US4868866A (en) * 1984-12-28 1989-09-19 Mcgraw-Hill Inc. Broadcast data distribution system
US5136648A (en) * 1985-02-19 1992-08-04 Octel Communications Corporation Message storage security system
US4803725A (en) * 1985-03-11 1989-02-07 General Instrument Corp. Cryptographic system using interchangeable key blocks and selectable key fragments
US4891838A (en) * 1985-11-04 1990-01-02 Dental Data Service, Inc. Computer accessing system
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
US5010571A (en) * 1986-09-10 1991-04-23 Titan Linkabit Corporation Metering retrieval of encrypted data stored in customer data retrieval terminal
US5050213A (en) * 1986-10-14 1991-09-17 Electronic Publishing Resources, Inc. Database usage metering and protection system and method
US4916738A (en) * 1986-11-05 1990-04-10 International Business Machines Corp. Remote access terminal security
US4944006A (en) * 1987-03-12 1990-07-24 Zenith Electronics Corporation Secure data packet transmission system and method
US4771458A (en) * 1987-03-12 1988-09-13 Zenith Electronics Corporation Secure data packet transmission system and method
US4876718A (en) * 1987-03-12 1989-10-24 Zenith Electronics Corporation Secure data packet transmission system and method
GB8720842D0 (en) * 1987-09-04 1987-10-14 Mackie & Sons Ltd J Doffing & donning apparatus
FR2623309B1 (fr) * 1987-11-13 1994-04-08 Boule Jean Pierre Dispositif et procede de securisation d'echange de donnees entre un terminal videotex et un serveur
US4890320A (en) * 1988-06-09 1989-12-26 Monslow H Vincent Television broadcast system for selective transmission of viewer-chosen programs at viewer-requested times
US4995078A (en) * 1988-06-09 1991-02-19 Monslow H Vincent Television broadcast system for selective transmission of viewer-chosen programs at viewer-requested times
US5321750A (en) * 1989-02-07 1994-06-14 Market Data Corporation Restricted information distribution system apparatus and methods
US5392353A (en) * 1989-08-07 1995-02-21 Tv Answer, Inc. Interactive satellite broadcast network
US5237610A (en) * 1990-02-01 1993-08-17 Scientific-Atlanta, Inc. Independent external security module for a digitally upgradeable television signal decoder
JPH04196683A (ja) * 1990-11-26 1992-07-16 Brother Ind Ltd 暗号機能を有する通信装置
FR2680589A1 (fr) * 1991-08-19 1993-02-26 France Telecom Procede d'emission et de reception de programmes personnalises.
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
JPH061350U (ja) * 1992-06-08 1994-01-11 株式会社エヒメ 丁合機用給紙パレット支持台
US5565909A (en) * 1992-08-31 1996-10-15 Television Computer, Inc. Method of identifying set-top receivers
US5432542A (en) * 1992-08-31 1995-07-11 Television Computer, Inc. Television receiver location identification
US6330334B1 (en) 1993-03-15 2001-12-11 Command Audio Corporation Method and system for information dissemination using television signals
US5406626A (en) * 1993-03-15 1995-04-11 Macrovision Corporation Radio receiver for information dissemenation using subcarrier
US5590195A (en) * 1993-03-15 1996-12-31 Command Audio Corporation Information dissemination using various transmission modes
JPH06311119A (ja) * 1993-04-20 1994-11-04 Sony Corp データ放送システム
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US6983051B1 (en) * 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US20050149450A1 (en) * 1994-11-23 2005-07-07 Contentguard Holdings, Inc. System, method, and device for controlling distribution and use of digital works based on a usage rights grammar
US6865551B1 (en) 1994-11-23 2005-03-08 Contentguard Holdings, Inc. Removable content repositories
JPH08263438A (ja) * 1994-11-23 1996-10-11 Xerox Corp ディジタルワークの配給及び使用制御システム並びにディジタルワークへのアクセス制御方法
US6963859B2 (en) * 1994-11-23 2005-11-08 Contentguard Holdings, Inc. Content rendering repository
US7117180B1 (en) 1994-11-23 2006-10-03 Contentguard Holdings, Inc. System for controlling the use of digital works using removable content repositories
US5608662A (en) * 1995-01-12 1997-03-04 Television Computer, Inc. Packet filter engine
US7133846B1 (en) 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
US6948070B1 (en) 1995-02-13 2005-09-20 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
US7124302B2 (en) 1995-02-13 2006-10-17 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7095854B1 (en) 1995-02-13 2006-08-22 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US5943422A (en) 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
US5892900A (en) 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US6157721A (en) 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
US7069451B1 (en) 1995-02-13 2006-06-27 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7165174B1 (en) 1995-02-13 2007-01-16 Intertrust Technologies Corp. Trusted infrastructure support systems, methods and techniques for secure electronic commerce transaction and rights management
EP1526472A3 (en) 1995-02-13 2006-07-26 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7133845B1 (en) 1995-02-13 2006-11-07 Intertrust Technologies Corp. System and methods for secure transaction management and electronic rights protection
US6658568B1 (en) 1995-02-13 2003-12-02 Intertrust Technologies Corporation Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
US7143290B1 (en) 1995-02-13 2006-11-28 Intertrust Technologies Corporation Trusted and secure techniques, systems and methods for item delivery and execution
EP0880840A4 (en) 1996-01-11 2002-10-23 Mrj Inc DEVICE FOR CONTROLLING ACCESS AND DISTRIBUTION OF DIGITAL PROPERTY
DE19604691A1 (de) * 1996-02-09 1997-08-14 Sel Alcatel Ag Chip-Karte, Verfahren und System zur Nutzung von kostenpflichtigen Diensten
US5815671A (en) * 1996-06-11 1998-09-29 Command Audio Corporation Method and apparatus for encoding and storing audio/video information for subsequent predetermined retrieval
FR2750554B1 (fr) * 1996-06-28 1998-08-14 Thomson Multimedia Sa Systeme a acces conditionnel et carte a puce permettant un tel acces
US5956629A (en) * 1996-08-14 1999-09-21 Command Audio Corporation Method and apparatus for transmitter identification and selection for mobile information signal services
US5920861A (en) * 1997-02-25 1999-07-06 Intertrust Technologies Corp. Techniques for defining using and manipulating rights management data structures
US7062500B1 (en) 1997-02-25 2006-06-13 Intertrust Technologies Corp. Techniques for defining, using and manipulating rights management data structures
US6233684B1 (en) * 1997-02-28 2001-05-15 Contenaguard Holdings, Inc. System for controlling the distribution and use of rendered digital works through watermaking
US6112181A (en) * 1997-11-06 2000-08-29 Intertrust Technologies Corporation Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US7092914B1 (en) 1997-11-06 2006-08-15 Intertrust Technologies Corporation Methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US7268700B1 (en) 1998-01-27 2007-09-11 Hoffberg Steven M Mobile communication device
US7233948B1 (en) 1998-03-16 2007-06-19 Intertrust Technologies Corp. Methods and apparatus for persistent control and protection of content
US7068787B1 (en) 1998-10-23 2006-06-27 Contentguard Holdings, Inc. System and method for protection of digital works
US7904187B2 (en) * 1999-02-01 2011-03-08 Hoffberg Steven M Internet appliance system and method
US8364136B2 (en) 1999-02-01 2013-01-29 Steven M Hoffberg Mobile system, a method of operating mobile system and a non-transitory computer readable medium for a programmable control of a mobile system
US6973444B1 (en) * 1999-03-27 2005-12-06 Microsoft Corporation Method for interdependently validating a digital content package and a corresponding digital license
US7383205B1 (en) 1999-03-27 2008-06-03 Microsoft Corporation Structure of a digital content package
US7103574B1 (en) 1999-03-27 2006-09-05 Microsoft Corporation Enforcement architecture and method for digital rights management
US20020019814A1 (en) * 2001-03-01 2002-02-14 Krishnamurthy Ganesan Specifying rights in a digital rights license according to events
US7051005B1 (en) 1999-03-27 2006-05-23 Microsoft Corporation Method for obtaining a black box for performing decryption and encryption functions in a digital rights management (DRM) system
US7136838B1 (en) * 1999-03-27 2006-11-14 Microsoft Corporation Digital license and method for obtaining/providing a digital license
US6829708B1 (en) * 1999-03-27 2004-12-07 Microsoft Corporation Specifying security for an element by assigning a scaled value representative of the relative security thereof
US7024393B1 (en) 1999-03-27 2006-04-04 Microsoft Corporation Structural of digital rights management (DRM) system
US7319759B1 (en) 1999-03-27 2008-01-15 Microsoft Corporation Producing a new black box for a digital rights management (DRM) system
US20020012432A1 (en) * 1999-03-27 2002-01-31 Microsoft Corporation Secure video card in computing device having digital rights management (DRM) system
US7073063B2 (en) * 1999-03-27 2006-07-04 Microsoft Corporation Binding a digital license to a portable device or the like in a digital rights management (DRM) system and checking out/checking in the digital license to/from the portable device or the like
US6816596B1 (en) 2000-01-14 2004-11-09 Microsoft Corporation Encrypting a digital object based on a key ID selected therefor
US7356688B1 (en) 1999-04-06 2008-04-08 Contentguard Holdings, Inc. System and method for document distribution
US7286665B1 (en) 1999-04-06 2007-10-23 Contentguard Holdings, Inc. System and method for transferring the right to decode messages
US6859533B1 (en) 1999-04-06 2005-02-22 Contentguard Holdings, Inc. System and method for transferring the right to decode messages in a symmetric encoding scheme
US6937726B1 (en) 1999-04-06 2005-08-30 Contentguard Holdings, Inc. System and method for protecting data files by periodically refreshing a decryption key
US20040181668A1 (en) * 1999-06-30 2004-09-16 Blew Edwin O. Methods for conducting server-side encryption/decryption-on-demand
US7243236B1 (en) * 1999-07-29 2007-07-10 Intertrust Technologies Corp. Systems and methods for using cryptography to protect secure and insecure computing environments
US7430670B1 (en) 1999-07-29 2008-09-30 Intertrust Technologies Corp. Software self-defense systems and methods
US6885748B1 (en) 1999-10-23 2005-04-26 Contentguard Holdings, Inc. System and method for protection of digital works
US6772340B1 (en) 2000-01-14 2004-08-03 Microsoft Corporation Digital rights management system operating on computing device and having black box tied to computing device
US7353209B1 (en) 2000-01-14 2008-04-01 Microsoft Corporation Releasing decrypted digital content to an authenticated path
WO2001052018A1 (en) * 2000-01-14 2001-07-19 Microsoft Corporation Specifying security for an element by assigning a scaled value representative of the relative security thereof
US6912528B2 (en) 2000-01-18 2005-06-28 Gregg S. Homer Rechargeable media distribution and play system
US7010808B1 (en) 2000-08-25 2006-03-07 Microsoft Corporation Binding digital content to a portable storage device or the like in a digital rights management (DRM) system
US7073199B1 (en) 2000-08-28 2006-07-04 Contentguard Holdings, Inc. Document distribution management method and apparatus using a standard rendering engine and a method and apparatus for controlling a standard rendering engine
US7743259B2 (en) 2000-08-28 2010-06-22 Contentguard Holdings, Inc. System and method for digital rights management using a standard rendering engine
US7412605B2 (en) * 2000-08-28 2008-08-12 Contentguard Holdings, Inc. Method and apparatus for variable encryption of data
US6931545B1 (en) * 2000-08-28 2005-08-16 Contentguard Holdings, Inc. Systems and methods for integrity certification and verification of content consumption environments
US7149722B1 (en) 2000-09-28 2006-12-12 Microsoft Corporation Retail transactions involving distributed and super-distributed digital content in a digital rights management (DRM) system
US7039615B1 (en) 2000-09-28 2006-05-02 Microsoft Corporation Retail transactions involving digital content in a digital rights management (DRM) system
US7343324B2 (en) * 2000-11-03 2008-03-11 Contentguard Holdings Inc. Method, system, and computer readable medium for automatically publishing content
US6912294B2 (en) 2000-12-29 2005-06-28 Contentguard Holdings, Inc. Multi-stage watermarking process and system
US7206765B2 (en) * 2001-01-17 2007-04-17 Contentguard Holdings, Inc. System and method for supplying and managing usage rights based on rules
US8069116B2 (en) * 2001-01-17 2011-11-29 Contentguard Holdings, Inc. System and method for supplying and managing usage rights associated with an item repository
BR0206506A (pt) 2001-01-17 2003-10-21 Contentguard Holdings Inc Processo e aparelho para gerenciar direitos de uso de conteúdo digital
US7774279B2 (en) * 2001-05-31 2010-08-10 Contentguard Holdings, Inc. Rights offering and granting
US7028009B2 (en) * 2001-01-17 2006-04-11 Contentguardiholdings, Inc. Method and apparatus for distributing enforceable property rights
US6754642B2 (en) 2001-05-31 2004-06-22 Contentguard Holdings, Inc. Method and apparatus for dynamically assigning usage rights to digital works
US20030220880A1 (en) * 2002-01-17 2003-11-27 Contentguard Holdings, Inc. Networked services licensing system and method
US7693508B2 (en) * 2001-03-28 2010-04-06 Qualcomm Incorporated Method and apparatus for broadcast signaling in a wireless communication system
US8077679B2 (en) * 2001-03-28 2011-12-13 Qualcomm Incorporated Method and apparatus for providing protocol options in a wireless communication system
US9100457B2 (en) * 2001-03-28 2015-08-04 Qualcomm Incorporated Method and apparatus for transmission framing in a wireless communication system
DE60239926D1 (de) * 2001-03-28 2011-06-16 Qualcomm Inc Leistungsregelung für punkt-zu-mehrpunktdienste in kommunikationssystemen
US8121296B2 (en) 2001-03-28 2012-02-21 Qualcomm Incorporated Method and apparatus for security in a data processing system
US20030043852A1 (en) * 2001-05-18 2003-03-06 Bijan Tadayon Method and apparatus for verifying data integrity based on data compression parameters
US7222104B2 (en) * 2001-05-31 2007-05-22 Contentguard Holdings, Inc. Method and apparatus for transferring usage rights and digital work having transferrable usage rights
US6876984B2 (en) * 2001-05-31 2005-04-05 Contentguard Holdings, Inc. Method and apparatus for establishing usage rights for digital content to be created in the future
US6895503B2 (en) * 2001-05-31 2005-05-17 Contentguard Holdings, Inc. Method and apparatus for hierarchical assignment of rights to documents and documents having such rights
US8001053B2 (en) * 2001-05-31 2011-08-16 Contentguard Holdings, Inc. System and method for rights offering and granting using shared state variables
US20030009424A1 (en) * 2001-05-31 2003-01-09 Contentguard Holdings, Inc. Method for managing access and use of resources by verifying conditions and conditions for use therewith
US7152046B2 (en) * 2001-05-31 2006-12-19 Contentguard Holdings, Inc. Method and apparatus for tracking status of resource in a system for managing use of the resources
US7725401B2 (en) * 2001-05-31 2010-05-25 Contentguard Holdings, Inc. Method and apparatus for establishing usage rights for digital content to be created in the future
US6976009B2 (en) 2001-05-31 2005-12-13 Contentguard Holdings, Inc. Method and apparatus for assigning consequential rights to documents and documents having such rights
US6973445B2 (en) * 2001-05-31 2005-12-06 Contentguard Holdings, Inc. Demarcated digital content and method for creating and processing demarcated digital works
US8275709B2 (en) * 2001-05-31 2012-09-25 Contentguard Holdings, Inc. Digital rights management of content when content is a future live event
US8099364B2 (en) * 2001-05-31 2012-01-17 Contentguard Holdings, Inc. Digital rights management of content when content is a future live event
US8275716B2 (en) 2001-05-31 2012-09-25 Contentguard Holdings, Inc. Method and system for subscription digital rights management
US7774280B2 (en) * 2001-06-07 2010-08-10 Contentguard Holdings, Inc. System and method for managing transfer of rights using shared state variables
EP1323018A4 (en) * 2001-06-07 2004-07-07 Contentguard Holdings Inc PROTECTED CONTENT DELIVERY SYSTEM
CN1539115A (zh) * 2001-06-07 2004-10-20 ��̹�е¿عɹɷ����޹�˾ 管理权限转移的方法和装置
WO2002101490A2 (en) * 2001-06-07 2002-12-19 Contentguard Holdings, Inc. Cryptographic trust zones in digital rights management
US7239708B2 (en) 2001-06-27 2007-07-03 Microsoft Corporation Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client
US6948073B2 (en) * 2001-06-27 2005-09-20 Microsoft Corporation Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client
TW566024B (en) † 2001-07-30 2003-12-11 Nagravision Sa Method to create a virtual private network through a public network
US7185362B2 (en) * 2001-08-20 2007-02-27 Qualcomm, Incorporated Method and apparatus for security in a data processing system
US20040120527A1 (en) * 2001-08-20 2004-06-24 Hawkes Philip Michael Method and apparatus for security in a data processing system
GB2379349B (en) * 2001-08-31 2006-02-08 Sony Uk Ltd Embedding data in material
US7697523B2 (en) * 2001-10-03 2010-04-13 Qualcomm Incorporated Method and apparatus for data packet transport in a wireless communication system using an internet protocol
US7352868B2 (en) * 2001-10-09 2008-04-01 Philip Hawkes Method and apparatus for security in a data processing system
US7649829B2 (en) 2001-10-12 2010-01-19 Qualcomm Incorporated Method and system for reduction of decoding complexity in a communication system
FR2831360B1 (fr) * 2001-10-19 2004-02-06 Viaccess Sa Protocole interactif de gestion a distance du controle d'acces a des informations embrouillees
US7904392B2 (en) * 2001-10-25 2011-03-08 Panasonic Corporation Content usage rule management system
FR2831757B1 (fr) * 2001-10-26 2004-01-30 Canal Plus Technologies Procede de verification de recepteurs de television a controle d'acces et recepteur correspondant
US7680743B2 (en) * 2002-05-15 2010-03-16 Microsoft Corporation Software application protection by way of a digital rights management (DRM) system
US7200868B2 (en) * 2002-09-12 2007-04-03 Scientific-Atlanta, Inc. Apparatus for encryption key management
US7599655B2 (en) * 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
US9818136B1 (en) 2003-02-05 2017-11-14 Steven M. Hoffberg System and method for determining contingent relevance
US7370212B2 (en) 2003-02-25 2008-05-06 Microsoft Corporation Issuing a publisher use license off-line in a digital rights management (DRM) system
US8098818B2 (en) * 2003-07-07 2012-01-17 Qualcomm Incorporated Secure registration for a multicast-broadcast-multimedia system (MBMS)
US8718279B2 (en) * 2003-07-08 2014-05-06 Qualcomm Incorporated Apparatus and method for a secure broadcast system
US7308100B2 (en) * 2003-08-18 2007-12-11 Qualcomm Incorporated Method and apparatus for time-based charging for broadcast-multicast services (BCMCS) in a wireless communication system
US8724803B2 (en) * 2003-09-02 2014-05-13 Qualcomm Incorporated Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system
US7788496B2 (en) * 2003-10-08 2010-08-31 Microsoft Corporation First computer process and second computer process proxy-executing code on behalf thereof
US7979911B2 (en) * 2003-10-08 2011-07-12 Microsoft Corporation First computer process and second computer process proxy-executing code from third computer process on behalf of first process
US8103592B2 (en) * 2003-10-08 2012-01-24 Microsoft Corporation First computer process and second computer process proxy-executing code on behalf of first process
US7239705B2 (en) * 2003-12-10 2007-07-03 Motorola Inc. Apparatus and method for broadcast services transmission and reception
US20060242406A1 (en) * 2005-04-22 2006-10-26 Microsoft Corporation Protected computing environment
EP1607821A1 (fr) * 2004-06-17 2005-12-21 Nagracard S.A. Méthode de mise à jour sécurisée de logiciel dans un mobile de sécurité
US8347078B2 (en) 2004-10-18 2013-01-01 Microsoft Corporation Device certificate individualization
US8336085B2 (en) 2004-11-15 2012-12-18 Microsoft Corporation Tuning product policy using observed evidence of customer behavior
US7890428B2 (en) * 2005-02-04 2011-02-15 Microsoft Corporation Flexible licensing architecture for licensing digital application
US7549051B2 (en) * 2005-03-10 2009-06-16 Microsoft Corporation Long-life digital certification for publishing long-life digital content or the like in content rights management system or the like
US8438645B2 (en) 2005-04-27 2013-05-07 Microsoft Corporation Secure clock with grace periods
US7856404B2 (en) * 2005-04-14 2010-12-21 Microsoft Corporation Playlist burning in rights-management context
US8738536B2 (en) * 2005-04-14 2014-05-27 Microsoft Corporation Licensing content for use on portable device
US8725646B2 (en) 2005-04-15 2014-05-13 Microsoft Corporation Output protection levels
US8290874B2 (en) * 2005-04-22 2012-10-16 Microsoft Corporation Rights management system for streamed multimedia content
US7693280B2 (en) 2005-04-22 2010-04-06 Microsoft Corporation Rights management system for streamed multimedia content
US9363481B2 (en) * 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US9507919B2 (en) 2005-04-22 2016-11-29 Microsoft Technology Licensing, Llc Rights management system for streamed multimedia content
US8091142B2 (en) * 2005-04-26 2012-01-03 Microsoft Corporation Supplementary trust model for software licensing/commercial digital distribution policy
US20060265758A1 (en) 2005-05-20 2006-11-23 Microsoft Corporation Extensible media rights
US20060271915A1 (en) * 2005-05-24 2006-11-30 Contentguard Holdings, Inc. Usage rights grammar and digital works having usage rights created with the grammar
US7684566B2 (en) * 2005-05-27 2010-03-23 Microsoft Corporation Encryption scheme for streamed multimedia content protected by rights management system
US7438078B2 (en) * 2005-08-05 2008-10-21 Peter Woodruff Sleeping bag and system
US8321690B2 (en) * 2005-08-11 2012-11-27 Microsoft Corporation Protecting digital media of various content types
JP2009027525A (ja) * 2007-07-20 2009-02-05 Nec Corp 光伝送システムおよび光伝送方法
US20100015991A1 (en) * 2008-07-15 2010-01-21 Kota Enterprises, Llc System and method for calling a geosoc
US8504073B2 (en) 2008-08-12 2013-08-06 Teaneck Enterprises, Llc Customized content delivery through the use of arbitrary geographic shapes
US7921223B2 (en) 2008-12-08 2011-04-05 Lemi Technology, Llc Protected distribution and location based aggregation service
US8495359B2 (en) * 2009-06-22 2013-07-23 NetAuthority System and method for securing an electronic communication
US8842840B2 (en) 2011-11-03 2014-09-23 Arvind Gidwani Demand based encryption and key generation and distribution systems and methods
US8949954B2 (en) 2011-12-08 2015-02-03 Uniloc Luxembourg, S.A. Customer notification program alerting customer-specified network address of unauthorized access attempts to customer account
AU2012100460B4 (en) 2012-01-04 2012-11-08 Uniloc Usa, Inc. Method and system implementing zone-restricted behavior of a computing device
AU2012100462B4 (en) 2012-02-06 2012-11-08 Uniloc Usa, Inc. Near field authentication through communication of enclosed content sound waves
AU2013100355B4 (en) 2013-02-28 2013-10-31 Netauthority, Inc Device-specific content delivery

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH540613A (de) * 1970-12-08 1973-08-15 Gretag Ag Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung
US3997718A (en) * 1973-02-01 1976-12-14 The Magnavox Company Premium interactive communication system
US3934079A (en) * 1973-10-26 1976-01-20 Jerrold Electronics Corporation Bilateral communications system for distributing commerical and premium video signaling on an accountable basis
US3956615A (en) * 1974-06-25 1976-05-11 Ibm Corporation Transaction execution system with secure data storage and communications
GB1558168A (en) * 1975-06-20 1979-12-19 Indep Television Co Systems for broadcasting data simultaneously with but independently of television programmes
US4081832A (en) * 1976-06-08 1978-03-28 Pay Television Corporation Pay television system, method and apparatus
US4163254A (en) * 1977-02-14 1979-07-31 Block Robert S Method and system for subscription television billing and access
US4214230A (en) * 1978-01-19 1980-07-22 Rolf Blom Personal identification system
FR2448826A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Carte d'abonnement pour recepteur de videotex et poste de chargement de ladite carte
FR2448824A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de videotex muni de moyens de controle d'acces a l'information

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CA1157144A (en) 1983-11-15
ES488279A0 (es) 1980-08-01
ES8106993A1 (es) 1980-08-01
EP0014653B1 (fr) 1984-10-03
JPH027234B2 (US08124630-20120228-C00102.png) 1990-02-16
EP0014653A1 (fr) 1980-08-20
DE3069329D1 (en) 1984-11-08
WO1980001635A1 (fr) 1980-08-07
SU963479A3 (ru) 1982-09-30
FR2448825A1 (fr) 1980-09-05
JPS56500075A (US08124630-20120228-C00102.png) 1981-01-22
US4323921A (en) 1982-04-06

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