JP2000508142A - デジタルビデオネットワークにおけるコピー防止制御方法 - Google Patents
デジタルビデオネットワークにおけるコピー防止制御方法Info
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- JP2000508142A JP2000508142A JP9535520A JP53552097A JP2000508142A JP 2000508142 A JP2000508142 A JP 2000508142A JP 9535520 A JP9535520 A JP 9535520A JP 53552097 A JP53552097 A JP 53552097A JP 2000508142 A JP2000508142 A JP 2000508142A
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- 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
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- 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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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- 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
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- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
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- 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]
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- H—ELECTRICITY
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- 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
- H04N21/4627—Rights management associated to the content
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- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47208—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting near-video-on-demand content
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- 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
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
- H04N21/4753—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for user identification, e.g. by entering a PIN or password
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- 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
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6582—Data stored in the client, e.g. viewing habits, hardware capabilities, credit card number
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- 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
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- 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
- H04N7/165—Centralised control of user terminal ; Registering at central
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- 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
- H04N7/17345—Control of the passage of the selected programme
- H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals
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- 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
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91314—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
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- 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
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
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- 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
- H04N2005/91371—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video color burst signal being modified
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Television Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 信号データを許可なく見ることまたはコピーすることを防止するため の、伝送ネットワークを介して送られる信号データのコピー防止を提供する方法 であって、 信号データの所望のコピー防止を示すコピー防止制御を供給し、 信号データのためのコピー防止を活性化するコピー防止制御から得られる、コ ピー防止制御に応じたコマンドを伝送し、 信号データを許可なく見ることまたはコピーすることを防止するコマンドに応 じてコピー防止波形を信号データに適用する、 ステップからなることを特徴とするコピー防止を提供する方法。 2. 前記供給のステップにおいて、 前記コピー防止を可能とし、それに対応する使用を報告するプロセスを活性化 し制御するための選択された要求を確立し、 その選択された要求に応じてコピー防止制御ソフトウェアを供給し、そのソフ トウェアはコピー防止プロセスと使用報告を活性化し制御する前記コピー防止制 御を提供する、 ことを含む請求項1記載の方法。 3. 前記確立のステップにおいて、 デジタルからデジタルとデジタルからアナログのコピー防止条件を区別し、コ ピー防止プロセスの運用モード及びコンフィギュレーションを決定し、コピー防 止プロセスへの許可されたアクセスのみかあることを確実にする要求を確立する 、 ことを含む請求項2記載の方法。 4. 前記供給するステップにおいて、 コピー防止制御ソフトウェアに応じたビットパターンの形式のコ マンドを生成し、 前記コマンドはリアルタイムのオン/オフモード制御を可能とする最初のビッ トパターン、及びプログラム可能なコピー防止コンフィギュレーションを決定す る2番目のビットパターンを含む、 ことを含む請求項2記載の方法。 5. 送信された最初と2番目のビットパターンを受信し、それぞれに応じて 、コピー防止を活性化し、制御し、コピー防止プロセスを再設定し、そこで、コ ピー防止波形が、コピー防止を供給するために信号データに適用される、 ステップを含む請求項4記載の方法。 6. コピー防止プロセスのアプリケーションまたはそのプロセスを活性化し 制御するコピー防止制御ソフトウェアへの許可のないアクセスを防止するために 前記確立と前記供給へのアクセスを制限する、 ステップを含む請求項2記載の方法。 7. 前記適用のステップにおいて、 サービスプロバイダーの受信設備におけるメモリにコピー防止制御を格納し、 信号データ受信設備におけるメモリに制御データを格納し、格納された制御デ ータは格納されたコピー防止プロセスを活性化し、制御し、再設定するコマンド に応答する、 ステップを含む請求項2記載の方法。 8. 見られている信号データイベントのペイパービュー及びペイトゥーテー プの数のようなコピー防止活性化状態を含むコピー防止動作情報を定期的に収集 する、 ステップを含む請求項2記載の方法。 9. 受信している設備のアクセス数、信号データイベントの権利保持者、見ら れている全てのイベントの数、及び関連する課金情報を含む報告を生成する、 ステップを含む請求項8記載の方法。 10. 前記適用するステップにおいて、 記録が関連する信号データから成る場合に、同期信号の次の復号の質を低下さ せる前記コマンドに応答して、テレビジョンラインの関連するブランク間隔にお ける選択された同期信号を変更する、 ステップを含む請求項2記載の方法。 11. 信号データがビデオのアナログまたはデジタル信号である請求項2記載 の方法。 12. デジタル伝送ネットワークを介して送られる固有の信号データのコピ ー防止を制御し、サービスプロバイダーが消費者による信号データの許可のない コピーを防止するコピー防止プロセスを実行可能とする装置であって、 サービスプロバイダーによる指示によりコピー防止制御信号を供給する制御/ 課金センターと、 コピー防止プロセスを選択して制御するコピー防止制御信号に応じて選択され たコマンドを送信する手段と、 信号データを見ることまたはコピーすることを防止または許容する選択された コマンドの送信に応じて、コピー防止プロセスを信号データに適用する、それぞ れの消費者に位置する手段と、 を有することを特徴とする装置。 13. サービスプロバイダーのコピー防止制御信号は、 そのボックスの手段を活性化させるためのモードコマンドと、 コピー防止プロセスの運用コンフィギュレーションを決定するためのコンフィ ギュレーションビットパターンと、 を含む請求項12記載の装置。 14. コピー防止制御信号が、 サービスプロバイダーにおける許可を受けた人員がコピー防止プロセスヘアク セスし、制御することを識別するためのアクセスパスワードを含む請求項13記 載の装置。 15. 前記ボックスの手段は、 コマンド信号に応じて信号データへのコピー防止信号を付加することに適合し たコピー防止回路を含むエンコーダーの手段を有するセットトップボックスを含 む請求項13記載の装置。 16. セットトップボックスは、 コピー防止コンフィギュレーション及び/またはコピー防止モードを格納する 記憶手段を含み、 前記エンコーダー手段はモードコマンド及びコンフィギュレーションビットパ ターンを受信し、コマンドとビットパターンに応じて格納されたコピー防止プロ セスの活性化及びコンフィギュレーションを制御する手段を含む、 請求項15記載の装置。 17. セットトップボックスは、 サービスプロバイダーの制御/課金センターに使用データを返信するためのソ フトウェアを含み、前記使用データはサービスプロバイダーが消費者に課金し、 使用と関連するライセンス料金の報告を 供給することに使用される、 請求項15記載の装置。 18. 信号データがペイパービューまたはペイトゥーテープのビデオアナロ グまたはデジタル信号である請求項13記載の装置。 19. 制御/課金センターは、 コピー防止プロセスを活性化させ制御し、コピー防止動作を報告するための要 求を確立する命令情報を含み、 該制御/課金センターにおいてサービスプロバイダーが、前記要求に応じたコ ピー防止制御ソフトウェアと、制御ソフトウェアに応じた前記コピー防止制御信 号を供給する、 請求項12記載の装置。 20. サービスプロバイダーが消費者の設備におけるセットトップボックス を介してコピー防止プロセスを可能とし、デジタル伝送ネットワークを介して送 られる信号データのコピー防止を提供する方法であって、 サービスプロバイダーからの選択された制御ビットパターンを、デジタル伝送 ネットワークを介して消費者の設備に供給し、 セットトップボックスにコピー防止コンフィギュレーションを格納し、 前記セットトップボックスで制御ビットパターンを受信し、 選択された信号データがコピーされることを防止するかまたは容認するために 、消費者の設備においてデータの選択が行われる度に、制御ビットパターンに応 じて、コピー防止プロセスを伝送された信号データに適用する、 ステップを有することを特徴とするコピー防止を提供する方法。 21. 前記供給するステップにおいて、 コピー防止プロセスを信号データに適用し、消費者の設備において選択された 信号データを表す使用データをサービスプロバイダーに返信するための選択され た制御信号を記述するコピー防止制御ソフトウェアを展開し、 コピー防止制御ソフトウェアに応じて前記選択された制御ビットパターンを生 成し、 消費者が伝送ネットワークに参加したとき、その後は規定された手順で、前記 選択された制御ビットパターンを消費者設備のセットトップボックスへ送信する 、 ステップを含む請求項20記載の方法。 22. コピー制御プロセスを活性化し、制御するコピー防止アプリケーショ ンソフトウェアをセットトップボックスに格納し、 コピー制御プロセスのコンフィギュレーションを選択して活性化及び/または 変更する制御ビットパターンの送信に応じて格納されたアプリケーションソフト ウェアを実行可能とする、 ステップを含む請求項21記載の方法。 23. コピー防止プロセスにおける所望の変更に応じてコンフィギュレーシ ョン制御ビットパターンを変更し、 コピー防止プロセスにおける変更を有効とするために、変更されたコンフィギ ュレーション制御ビットパターンを送信する、 ステップを含む請求項22記載の方法。 24. 消費者設備において所望される見ること及び/またはコピーするこど のオプションを表す消費者情報をセットトップボックスに格納し、 消費者が、見るだけ及び/またはデータをコピーすることを許可 されているかどうかを決定する信号データの選択が行われたとき、制御ビットパ ターンとセットトップボックスに格納された消費者の情報を比較する、 ステップを含む請求項21記載の方法。 25. 信号データはペイパービュー(PPV)またはペイトゥーテープ(P TT)信号であり、 供給するステップが、PPV及びPTTのコピー防止プロセスを活性化及び制 御するため及びサービスプロバイダーへのプロセスの関連する使用動作を報告す るための選択された要求を確立することを含み、 その選択された要求に応じてコピー防止制御ソフトウェアを提供し、そのソフ トウェアがPPV及びPTTコピー防止プロセスを活性化し、制御し、変更する 前記制御ビットパターンを供給する、 ステップを含む請求項20記載の方法。 26. コピー防止プロセスの制御またはコピー防止制御ソフトウェアへの許 可されないアクセスを防止するために前記確立ステップ及び前記供給ステップへ の制限されたアクセスを供給する、 ステップを含む請求項25記載の方法。 27. 信号データがペイパービュー(PPV)またはペイトゥーテープ(P TT)のビデオアナログまたはデジタル信号である請求項25記載の方法。 28. 前記供給するステップにおいて、 ペイパービュー信号を見ることまたはコピーすることが許可なく試みられる場 合に、同期信号の次の復号の質を低下させる前記制御ビットパターンに応答して 、テレビジョンラインの関連するブラン ク間隔における選択された同期信号を変更する、 ステップを含む請求項27記載の方法。 29. サービスブロバイダーが消費者の設備におけるセットトップボックスを 介してコピー防止ブロセスを可能とし、デジタル伝送 ネットワークを介して送 られる信号データのコピー防止を提供する方法であって、 信号データのため及びそれに関連する使用を報告するためのコピー防止プロセ スを活性化し、制御し、変更する選択された要求を確立し、 選択された要求に応じてコピー防止制御ソフトウェアを供給し、 制御ソフトウェアを介して、リアルタイムオン/オフモード制御及びプログラ ム可能なコピー防止プロセスコンフィギュレーション制御それぞれを可能とする モード及びコンフィギュレーション制御ビットパターンを生成し、 セットトップボックスに、モード制御及びコンフィギュレーション制御コード ワードを送信し、 選択された信号データが見られるかまたはコピーされることを防止するかまた は容認するために、セットトップボックスを介して信号データの選択が行われる 度に、送信されたモードビットパターンに応じて、コピー防止プロセスを伝送さ れた信号データに選択して適用する、 ことを特徴とする方法。 30. セットトップボックスにアプリケーションソフトウェアを格納し、 セットトップボックスにおいてモードビットパターンを受信して書き込み、 そこにおいて、格納されたアプリケーションソフトウェアが、コ ンフィギュレーション制御ビットパターンにより定義されたコピー防止プロセス を活性化し制御し変更するモードビットパターンの送信に応答する、 ステップを含む請求項29記載の方法。 31. セットトップボックスが機能的にロックされる際、 サービスプロバイダーを介して、セットトップボックスを機能的に解錠するこ とに適合した選択されたビットパターンまたはソフトウェアをダウンロードする 、 ステップを含む請求項30記載の方法。 32. セットトップボックスが機能的にロックされる際、 サービスプロバイダーの設備において、セットトップボックスを機能的に解錠 することに適合した選択されたソフトウェアを活性化する、 ステップを含む請求項30記載の方法。
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| PCT/US1997/005257 WO1997037492A1 (en) | 1996-04-01 | 1997-03-31 | A method for controlling copy protection in digital video networks |
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| JP2000508142A true JP2000508142A (ja) | 2000-06-27 |
| JP3517672B2 JP3517672B2 (ja) | 2004-04-12 |
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| EP (1) | EP0891669B1 (ja) |
| JP (1) | JP3517672B2 (ja) |
| AT (1) | ATE195207T1 (ja) |
| AU (1) | AU710897B2 (ja) |
| BR (1) | BR9708361A (ja) |
| CA (1) | CA2250791C (ja) |
| DE (1) | DE69702709T2 (ja) |
| DK (1) | DK0891669T3 (ja) |
| ES (1) | ES2150243T3 (ja) |
| GR (1) | GR3034666T3 (ja) |
| NZ (1) | NZ331727A (ja) |
| PT (1) | PT891669E (ja) |
| WO (1) | WO1997037492A1 (ja) |
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| JP2008517555A (ja) * | 2004-10-19 | 2008-05-22 | マクロビジョン・コーポレーション | プロテクトされるコンテンツとは別にコピープロテクション情報を格納する方法と装置 |
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| JP2009509280A (ja) * | 2005-09-16 | 2009-03-05 | マクロビジョン・コーポレーション | 複製保護を受けた信号の複製又は配信を可能にするシステム及び方法 |
| JP4824127B2 (ja) * | 2007-08-29 | 2011-11-30 | シーディーネットワークス カンパニー リミテッド | デジタルメディアコンテンツの無断複製(不正コピー)に対する保護 |
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| CA2250791C (en) | 2005-06-07 |
| DK0891669T3 (da) | 2000-12-18 |
| WO1997037492A1 (en) | 1997-10-09 |
| ES2150243T3 (es) | 2000-11-16 |
| HK1015997A1 (en) | 1999-10-22 |
| EP0891669A1 (en) | 1999-01-20 |
| DE69702709T2 (de) | 2001-04-05 |
| JP3517672B2 (ja) | 2004-04-12 |
| AU2428797A (en) | 1997-10-22 |
| AU710897B2 (en) | 1999-09-30 |
| BR9708361A (pt) | 1999-08-03 |
| ATE195207T1 (de) | 2000-08-15 |
| PT891669E (pt) | 2001-01-31 |
| NZ331727A (en) | 1999-04-29 |
| DE69702709D1 (de) | 2000-09-07 |
| CA2250791A1 (en) | 1997-10-09 |
| EP0891669B1 (en) | 2000-08-02 |
| US6381747B1 (en) | 2002-04-30 |
| GR3034666T3 (en) | 2001-01-31 |
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