DE60311219D1 - Sendevorrichtung, Empfängervorrichtung und Empfangsverfahren - Google Patents

Sendevorrichtung, Empfängervorrichtung und Empfangsverfahren

Info

Publication number
DE60311219D1
DE60311219D1 DE60311219T DE60311219T DE60311219D1 DE 60311219 D1 DE60311219 D1 DE 60311219D1 DE 60311219 T DE60311219 T DE 60311219T DE 60311219 T DE60311219 T DE 60311219T DE 60311219 D1 DE60311219 D1 DE 60311219D1
Authority
DE
Germany
Prior art keywords
receiving method
transmitting device
receiver
receiver device
transmitting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60311219T
Other languages
English (en)
Other versions
DE60311219T2 (de
Inventor
Hirotsugu Kato
Seijiro Yasuki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE60311219D1 publication Critical patent/DE60311219D1/de
Application granted granted Critical
Publication of DE60311219T2 publication Critical patent/DE60311219T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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]
    • H04N21/40—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
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • 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
    • H04N21/43—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
    • H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440281—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 reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
    • 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
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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]
    • 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
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4782—Web browsing, e.g. WebTV
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6175—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N2007/1739—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream communication being transmitted via a separate link, e.g. telephone line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
DE60311219T 2002-11-25 2003-08-25 Sendevorrichtung, Empfängervorrichtung und Empfangsverfahren Expired - Fee Related DE60311219T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002340968 2002-11-25
JP2002340968A JP3737798B2 (ja) 2002-11-25 2002-11-25 送信装置、受信装置及び受信方法

Publications (2)

Publication Number Publication Date
DE60311219D1 true DE60311219D1 (de) 2007-03-08
DE60311219T2 DE60311219T2 (de) 2007-10-18

Family

ID=32212161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60311219T Expired - Fee Related DE60311219T2 (de) 2002-11-25 2003-08-25 Sendevorrichtung, Empfängervorrichtung und Empfangsverfahren

Country Status (4)

Country Link
US (1) US20040103319A1 (de)
EP (1) EP1422943B1 (de)
JP (1) JP3737798B2 (de)
DE (1) DE60311219T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060066626A (ko) * 2004-12-13 2006-06-16 엘지전자 주식회사 컨텐트의 암호/해독을 위한 키를 기록하고 사용하는 방법및 장치와 그 방법에 의해 키가 기록되어 있는 기록매체
JP3974921B2 (ja) * 2005-05-31 2007-09-12 シャープ株式会社 コンテンツ再生装置、コンピュータプログラム及び記録媒体
JP2007013610A (ja) * 2005-06-30 2007-01-18 Sanyo Electric Co Ltd 放送装置、放送方法、放送受信装置および放送受信方法
FR2894756B1 (fr) * 2005-12-13 2008-05-09 Viaccess Sa Procede de controle d'acces a un contenu embrouille
FR2894757B1 (fr) * 2005-12-13 2008-05-09 Viaccess Sa Procede de controle d'acces a un contenu embrouille
JP4587399B2 (ja) * 2006-08-22 2010-11-24 Ｋｄｄｉ株式会社 コンテンツ配信方法及びシステム
FR2910671B1 (fr) * 2006-12-21 2009-04-03 Viaccess Sa Procede de gestion du nombre de visualisations,processeur de securite et terminal pour ce procede
JP4600418B2 (ja) 2007-04-20 2010-12-15 株式会社日立製作所 受信装置および受信方法
JP2010157867A (ja) * 2008-12-26 2010-07-15 Visionere Corp 動画再生コード生成装置、動画配信システム、実行形式プログラム、同プログラムを記録した記録媒体、サーバー、及び動画再生コード生成方法
WO2011020088A1 (en) 2009-08-14 2011-02-17 Azuki Systems, Inc. Method and system for unified mobile content protection
JP2016116065A (ja) * 2014-12-15 2016-06-23 日本放送協会 受信機、送信機、及びコンテンツの受信方法
CN104679906B (zh) * 2015-03-24 2019-08-20 上海臻客信息技术服务有限公司 利用图片生成链接的方法及***

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06141004A (ja) * 1992-10-27 1994-05-20 Mitsubishi Corp 課金システム
JP3887856B2 (ja) * 1996-12-13 2007-02-28 株式会社日立製作所 端末装置
US6637028B1 (en) * 1999-02-18 2003-10-21 Cliq Distribution, Inc. Integrated television and internet information system
CA2267395C (en) * 1999-03-30 2002-07-09 Ibm Canada Limited-Ibm Canada Limitee Method and system for managing keys for encrypted data
DE60011958T2 (de) * 1999-04-28 2005-08-25 Matsushita Electric Industrial Co., Ltd., Kadoma Optische Platte, optisches Plattenaufzeichnungs- und wiedergabegerät, und Verfahren zur Aufzeichnung und Wiedergabe
KR100735503B1 (ko) * 1999-08-27 2007-07-06 소니 가부시끼 가이샤 정보 송신 시스템, 장치 및 방법 및 정보 수신 시스템,장치 및 방법
WO2001016821A2 (en) * 1999-09-01 2001-03-08 Matsushita Electric Industrial Co., Ltd. Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method
US20010036271A1 (en) * 1999-09-13 2001-11-01 Javed Shoeb M. System and method for securely distributing digital content for short term use
CN1173567C (zh) * 2000-02-09 2004-10-27 德国汤姆森-布兰特有限公司 使用加密、解密来保护数据流的方法、编码和解码装置
JP4617533B2 (ja) * 2000-03-14 2011-01-26 ソニー株式会社 情報提供装置および方法、情報処理装置および方法、並びにプログラム格納媒体
JP4457474B2 (ja) * 2000-04-04 2010-04-28 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
US6954795B2 (en) * 2000-04-05 2005-10-11 Matsushita Electric Industrial Co., Ltd. Transmission/reception system and method for data broadcast, and transmission apparatus for data broadcast
JP5068398B2 (ja) * 2000-08-17 2012-11-07 Ｎｅｃディスプレイソリューションズ株式会社 受信機及びコンテンツの配信方法
JP4838414B2 (ja) * 2000-10-11 2011-12-14 富士通株式会社 認証方法
AU1547402A (en) * 2001-02-09 2002-08-15 Sony Corporation Information processing method/apparatus and program
US7200868B2 (en) * 2002-09-12 2007-04-03 Scientific-Atlanta, Inc. Apparatus for encryption key management

Also Published As

Publication number Publication date
JP3737798B2 (ja) 2006-01-25
EP1422943B1 (de) 2007-01-17
US20040103319A1 (en) 2004-05-27
EP1422943A1 (de) 2004-05-26
DE60311219T2 (de) 2007-10-18
JP2004179755A (ja) 2004-06-24

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Legal Events

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