IL137638A0 - Recording of scrambled digital data - Google Patents

Recording of scrambled digital data

Info

Publication number
IL137638A0
IL137638A0 IL13763899A IL13763899A IL137638A0 IL 137638 A0 IL137638 A0 IL 137638A0 IL 13763899 A IL13763899 A IL 13763899A IL 13763899 A IL13763899 A IL 13763899A IL 137638 A0 IL137638 A0 IL 137638A0
Authority
IL
Israel
Prior art keywords
digital data
digital
recording
scrambled
control word
Prior art date
Application number
IL13763899A
Other languages
English (en)
Original Assignee
Canal Plus Sa
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 Canal Plus Sa filed Critical Canal Plus Sa
Publication of IL137638A0 publication Critical patent/IL137638A0/xx

Links

Classifications

    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4185—External card to be used in combination with the client device, e.g. for conditional access for payment
    • 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
    • H04N21/43—Processing 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • 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
    • H04N21/43—Processing 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
    • H04N21/44—Processing 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
    • H04N21/4405—Processing 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
    • 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
    • H04N21/43—Processing 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
    • H04N21/44—Processing 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
    • H04N21/4408—Processing 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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • H04N21/8113—Monomedia components thereof involving special audio data, e.g. different tracks for different languages comprising music, e.g. song in MP3 format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Navigation (AREA)
  • Television Signal Processing For Recording (AREA)
IL13763899A 1998-02-13 1999-02-12 Recording of scrambled digital data IL137638A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98400344A EP0936774A1 (en) 1998-02-13 1998-02-13 Recording of scrambled digital data
PCT/IB1999/000328 WO1999041874A1 (en) 1998-02-13 1999-02-12 Recording of scrambled digital data

Publications (1)

Publication Number Publication Date
IL137638A0 true IL137638A0 (en) 2001-10-31

Family

ID=8235272

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13763899A IL137638A0 (en) 1998-02-13 1999-02-12 Recording of scrambled digital data

Country Status (20)

Country Link
US (2) USRE42044E1 (no)
EP (2) EP0936774A1 (no)
JP (1) JP2002503919A (no)
KR (1) KR100607576B1 (no)
CN (1) CN1272930C (no)
AT (1) ATE258349T1 (no)
AU (1) AU749013B2 (no)
BR (1) BR9907877A (no)
CA (1) CA2318879A1 (no)
DE (1) DE69914306T2 (no)
ES (1) ES2214840T3 (no)
HR (1) HRP20000486A2 (no)
HU (1) HUP0101456A3 (no)
ID (1) ID26101A (no)
IL (1) IL137638A0 (no)
NO (1) NO20004062L (no)
PL (1) PL342261A1 (no)
TR (1) TR200002350T2 (no)
WO (1) WO1999041874A1 (no)
ZA (2) ZA991123B (no)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0936812A1 (en) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Method and apparatus for recording of encrypted digital data
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
DE19941550A1 (de) * 1999-09-01 2001-03-08 Deutsche Telekom Ag Verfahren zur Freischaltung von kundenrelevanten Berechtigungen auf Sicherheitsmodulen in Conditional Access für Pay-Dienste
US7039614B1 (en) * 1999-11-09 2006-05-02 Sony Corporation Method for simulcrypting scrambled data to a plurality of conditional access devices
WO2001047266A2 (en) * 1999-12-22 2001-06-28 Koninklijke Philips Electronics N.V. Conditional access system
US20020114465A1 (en) * 2000-01-05 2002-08-22 Shen-Orr D. Chaim Digital content delivery system and method
US6701528B1 (en) * 2000-01-26 2004-03-02 Hughes Electronics Corporation Virtual video on demand using multiple encrypted video segments
US7225164B1 (en) * 2000-02-15 2007-05-29 Sony Corporation Method and apparatus for implementing revocation in broadcast networks
WO2001061997A1 (en) * 2000-02-18 2001-08-23 Alexander Franco Use of web pages to remotely program a broadcast content recording system
JP2001237819A (ja) * 2000-02-24 2001-08-31 Nec Corp 著作物再生システム，著作物復号装置，およびユーザ固有情報格納装置
US7203311B1 (en) * 2000-07-21 2007-04-10 The Directv Group, Inc. Super encrypted storage and retrieval of media programs in a hard-paired receiver and storage device
US7457414B1 (en) * 2000-07-21 2008-11-25 The Directv Group, Inc. Super encrypted storage and retrieval of media programs with smartcard generated keys
US8140859B1 (en) * 2000-07-21 2012-03-20 The Directv Group, Inc. Secure storage and replay of media programs using a hard-paired receiver and storage device
FR2812781A1 (fr) * 2000-08-04 2002-02-08 Thomson Multimedia Sa Methode de distribution securisee de donnees numeriques representatives d'un contenu multimedia
IL153945A0 (en) * 2000-08-11 2003-07-31 Nds Ltd System and method for pre-encryption of transmitted content
EP1182874A1 (en) * 2000-08-24 2002-02-27 Canal+ Technologies Société Anonyme Digital content protection system
FR2813739B1 (fr) * 2000-09-07 2003-06-06 Sagem Appareil de reception et d'enregistrement d'information et un procede associe
JP4072988B2 (ja) * 2000-10-02 2008-04-09 株式会社ハドソン デジタルコンテンツデータ生成システム
US6959090B1 (en) * 2000-11-20 2005-10-25 Nokia Corporation Content Protection scheme for a digital recording device
US20020114360A1 (en) * 2001-02-20 2002-08-22 Perlman Stephen G. System and method for processing multiple broadcast multimedia streams
JP2002278859A (ja) * 2001-03-16 2002-09-27 Nec Corp コンテンツ配信システム、コンテンツ配信方法及びコンテンツを再生するためのコンテンツ再生装置
US7134134B2 (en) * 2001-03-24 2006-11-07 Microsoft Corporation Electronic program guide hardware card
US8121296B2 (en) * 2001-03-28 2012-02-21 Qualcomm Incorporated Method and apparatus for security in a data processing system
US8077679B2 (en) * 2001-03-28 2011-12-13 Qualcomm Incorporated Method and apparatus for providing protocol options in a wireless communication system
IL158164A0 (en) * 2001-03-28 2004-03-28 Qualcomm Inc Method and apparatus for channel management for point-to-multipoint services in a communication system
US7693508B2 (en) 2001-03-28 2010-04-06 Qualcomm Incorporated Method and apparatus for broadcast signaling 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
US7093277B2 (en) * 2001-05-30 2006-08-15 Digeo, Inc. System and method for improved multi-stream multimedia transmission and processing
US7386129B2 (en) * 2001-05-30 2008-06-10 Digeo, Inc. System and method for multimedia content simulcast
US7895616B2 (en) 2001-06-06 2011-02-22 Sony Corporation Reconstitution of program streams split across multiple packet identifiers
US7350082B2 (en) * 2001-06-06 2008-03-25 Sony Corporation Upgrading of encryption
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
FR2825877B1 (fr) * 2001-06-12 2003-09-19 Canal Plus Technologies Procede de controle d'acces a un programme crypte
US7463737B2 (en) 2001-08-15 2008-12-09 Digeo, Inc. System and method for conditional access key encryption
US20040120527A1 (en) * 2001-08-20 2004-06-24 Hawkes Philip Michael Method and apparatus for security in a data processing system
US7409562B2 (en) * 2001-09-21 2008-08-05 The Directv Group, Inc. Method and apparatus for encrypting media programs for later purchase and viewing
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
EP1320006A1 (en) * 2001-12-12 2003-06-18 Canal+ Technologies Société Anonyme Processing data
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
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
US7376233B2 (en) * 2002-01-02 2008-05-20 Sony Corporation Video slice and active region based multiple partial encryption
US7292690B2 (en) * 2002-01-02 2007-11-06 Sony Corporation Video scene change detection
US7242773B2 (en) * 2002-09-09 2007-07-10 Sony Corporation Multiple partial encryption using retuning
US7477743B2 (en) * 2002-02-07 2009-01-13 Nokia Corporation Hybrid network encrypt/decrypt scheme
US8082588B2 (en) 2002-03-15 2011-12-20 Nagravision S.A. Secured storage method of encrypted data on a personal digital recorder
DE10212656A1 (de) * 2002-03-21 2003-10-02 Scm Microsystems Gmbh Selektive Verschlüsselung von Multimediadaten
US7228439B2 (en) * 2002-04-19 2007-06-05 Nagravision S.A. Management method of rights of a content encrypted and stored in a personal digital recorder
US7277544B1 (en) * 2002-05-07 2007-10-02 Cinea, Inc. Local content security system
US20090180025A1 (en) * 2002-05-28 2009-07-16 Sony Corporation Method and apparatus for overlaying graphics on video
FR2843257B1 (fr) * 2002-08-02 2004-11-26 Viaccess Sa Procede et systeme d'acces conditionnel applique a la protection de contenu
US8818896B2 (en) 2002-09-09 2014-08-26 Sony Corporation Selective encryption with coverage encryption
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
EP1418750A1 (en) 2002-11-11 2004-05-12 STMicroelectronics Limited Security integrated circuit
US7599655B2 (en) * 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
US7251328B2 (en) 2003-01-14 2007-07-31 General Instrument Corporation System for secure decryption of streaming media using selective decryption of header information and decryption of reassembled content
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
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
US20050036067A1 (en) * 2003-08-05 2005-02-17 Ryal Kim Annon Variable perspective view of video images
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
EP2007130A1 (en) 2003-09-15 2008-12-24 United Video Properties, Inc. Systems amd methods for automatically exporting digital content using an interactive television application
US20050066357A1 (en) * 2003-09-22 2005-03-24 Ryal Kim Annon Modifying content rating
US7343013B2 (en) * 2003-12-16 2008-03-11 Sony Corporation Composite session-based encryption of video on demand content
US7853980B2 (en) * 2003-10-31 2010-12-14 Sony Corporation Bi-directional indices for trick mode video-on-demand
US20050097596A1 (en) * 2003-10-31 2005-05-05 Pedlow Leo M.Jr. Re-encrypted delivery 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
US20050102702A1 (en) * 2003-11-12 2005-05-12 Candelore Brant L. Cablecard with content manipulation
CN100592787C (zh) * 2003-12-23 2010-02-24 维亚赛斯公司 用于内容保护的方法和条件存取系统
US20050169473A1 (en) * 2004-02-03 2005-08-04 Candelore Brant L. Multiple selective encryption with DRM
US20050195205A1 (en) * 2004-03-03 2005-09-08 Microsoft Corporation Method and apparatus to decode a streaming file directly to display drivers
US20060018627A1 (en) * 2004-07-20 2006-01-26 Canon Kabushiki Kaisha Image reproducing apparatus and image reproducing method
KR100636163B1 (ko) * 2004-08-27 2006-10-18 삼성전자주식회사 댁내에서 컨텐츠를 송수신하는 시스템
JP4734906B2 (ja) * 2004-12-07 2011-07-27 ソニー株式会社 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
US8041190B2 (en) 2004-12-15 2011-10-18 Sony Corporation System and method for the creation, synchronization and delivery of alternate content
US7895617B2 (en) 2004-12-15 2011-02-22 Sony Corporation Content substitution editor
FR2882208B1 (fr) * 2005-02-14 2007-05-11 Viaccess Sa Procede et systeme de reception d'un signal multimedia, entite cryptographique pour ce procede de reception et systeme, procede et boite noire pour la fabrication de l'entite cryptographique
JP4701748B2 (ja) * 2005-02-25 2011-06-15 ソニー株式会社 情報処理装置、情報記録媒体製造装置、情報記録媒体、および方法、並びにコンピュータ・プログラム
KR100820810B1 (ko) * 2005-04-29 2008-04-10 엘지전자 주식회사 디지털 수신 시스템의 제한 수신 방법
US9325944B2 (en) * 2005-08-11 2016-04-26 The Directv Group, Inc. Secure delivery of program content via a removable storage medium
FR2892222A1 (fr) * 2005-10-17 2007-04-20 Thomson Licensing Sa Methode de gravure, de mise a disposition et de distribution securisee de donnees numeriques, dispositif d'acces et graveur.
ATE451791T1 (de) * 2006-01-03 2009-12-15 Irdeto Access Bv Verfahren zur entschlüsselung eines verschlüsselten datenobjekts
EP1827019A1 (fr) * 2006-02-23 2007-08-29 Nagravision S.A. Procédé de contrôle d'accès à des données à accès conditionnel
US8185921B2 (en) 2006-02-28 2012-05-22 Sony Corporation Parental control of displayed content using closed captioning
US8001565B2 (en) * 2006-05-15 2011-08-16 The Directv Group, Inc. Methods and apparatus to conditionally authorize content delivery at receivers in pay delivery systems
US8996421B2 (en) * 2006-05-15 2015-03-31 The Directv Group, Inc. Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systems
US8095466B2 (en) * 2006-05-15 2012-01-10 The Directv Group, Inc. Methods and apparatus to conditionally authorize content delivery at content servers in pay delivery systems
US20070265973A1 (en) * 2006-05-15 2007-11-15 The Directv Group, Inc. Methods and apparatus to protect content in home networks
US20070265966A1 (en) * 2006-05-15 2007-11-15 The Directv Group, Inc. Content delivery systems and methods to operate the same
US7992175B2 (en) * 2006-05-15 2011-08-02 The Directv Group, Inc. Methods and apparatus to provide content on demand in content broadcast systems
US8775319B2 (en) 2006-05-15 2014-07-08 The Directv Group, Inc. Secure content transfer systems and methods to operate the same
US9225761B2 (en) 2006-08-04 2015-12-29 The Directv Group, Inc. Distributed media-aggregation systems and methods to operate the same
US9178693B2 (en) 2006-08-04 2015-11-03 The Directv Group, Inc. Distributed media-protection systems and methods to operate the same
US7965844B2 (en) * 2007-03-20 2011-06-21 International Business Machines Corporation System and method for processing user data in an encryption pipeline
US20090060181A1 (en) * 2007-08-28 2009-03-05 Randal Eye Local Content Security System
KR100959380B1 (ko) * 2008-12-04 2010-05-24 (주)엑스프라임 플래시 컨텐츠 제공 방법
CN101571808B (zh) * 2009-05-26 2013-09-25 东信和平科技股份有限公司 提高电信智能卡生产效率的方法
US8677400B2 (en) 2009-09-30 2014-03-18 United Video Properties, Inc. Systems and methods for identifying audio content using an interactive media guidance application
US8161071B2 (en) 2009-09-30 2012-04-17 United Video Properties, Inc. Systems and methods for audio asset storage and management
US9131265B2 (en) * 2011-05-19 2015-09-08 Maxlinear, Inc. Method and system for providing satellite television service to a premises
US9392318B2 (en) 2011-06-14 2016-07-12 Sony Corporation Receiver device with multiple decryption modes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413451A1 (de) * 1994-04-18 1995-12-14 Rolf Brugger Vorrichtung zum Vertrieb von Musikinformationen in digitaler Form
US5701343A (en) * 1994-12-01 1997-12-23 Nippon Telegraph & Telephone Corporation Method and system for digital information protection
KR0166923B1 (ko) * 1995-09-18 1999-03-20 구자홍 디지탈 방송 시스템의 불법 시청 및 복사 방지방법 및 장치
KR100436610B1 (ko) * 1995-10-31 2004-09-23 코닌클리케 필립스 일렉트로닉스 엔.브이. 시간이동된조건부액세스
US5862299A (en) * 1996-06-19 1999-01-19 Sony Corporation Conditional access system for local storage device
US5883621A (en) * 1996-06-21 1999-03-16 Sony Corporation Device control with topology map in a digital network

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DE69914306T2 (de) 2004-11-25
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ID26101A (id) 2000-11-23
ZA991122B (en) 1999-09-30
HRP20000486A2 (en) 2001-02-28
CN1305674A (zh) 2001-07-25
NO20004062L (no) 2000-10-13
KR100607576B1 (ko) 2006-08-01
NO20004062D0 (no) 2000-08-11
PL342261A1 (en) 2001-06-04
EP1055305A1 (en) 2000-11-29
ES2214840T3 (es) 2004-09-16
BR9907877A (pt) 2000-10-31
USRE42044E1 (en) 2011-01-18
DE69914306D1 (de) 2004-02-26
AU2296499A (en) 1999-08-30
HUP0101456A3 (en) 2003-05-28
JP2002503919A (ja) 2002-02-05
AU749013B2 (en) 2002-06-13
CA2318879A1 (en) 1999-08-19
TR200002350T2 (tr) 2001-01-22
ZA991123B (en) 1999-08-12
US6714650B1 (en) 2004-03-30
WO1999041874A1 (en) 1999-08-19
HUP0101456A2 (hu) 2001-09-28
EP0936774A1 (en) 1999-08-18
CN1272930C (zh) 2006-08-30
ATE258349T1 (de) 2004-02-15

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