JP2010028239A - Ipストリーミングコピー制御方法およびシステム - Google Patents
Ipストリーミングコピー制御方法およびシステム Download PDFInfo
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- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
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- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
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- G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
- G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
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- Computer Networks & Wireless Communication (AREA)
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- Computer Graphics (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
【解決手段】ネットワークを介してストリーミングサーバ10から提供されるコピー制御情報を付与されていないストリーミングコンテンツであっても、このストリーミングコンテンツがクライアント端末20に予め設定されている条件に該当するストリーミングコンテンツであるときには、クライアント端末20が、受信したこのストリーミングコンテンツの再生信号を出力する際に、該再生信号にコピー制御情報を付与してTV/録画機器40へ出力する。
【選択図】図1
Description
20 クライアント端末
21 送受信部
22 デコード部
23 出力部
30 認証サーバ
40 TV/録画機器
Claims (15)
- ネットワークを介してストリーミングサーバから提供されるコピー制御情報を付与されていないストリーミングコンテンツが、該ストリーミングコンテンツを受信したクライアント端末に予め設定されている条件に該当するストリーミングコンテンツであるとき、前記クライアント端末が前記受信したストリーミングコンテンツの再生信号を出力する際に、該再生信号にコピー制御情報を付与することを特徴とするIPストリーミングコピー制御方法。
- 前記クライアント端末が受信したストリーミングコンテンツがDRM暗号化されていることを前記条件として設定することを特徴とする請求項1に記載のIPストリーミングコピー制御方法。
- ネットワークを介してストリーミングコンテンツを提供するコンテンツ提供サーバのアドレスが、前記クライアント端末に予め作成されて保存されているURLリストと一致していることを前記条件として設定することを特徴とする請求項1に記載のIPストリーミングコピー制御方法。
- 前記コピー制御情報として、アナログインタフェースに対してはCGMS−Aの「コピー不可」とマクロビジョンを付与し、デジタルインターフェースに対してはCGMS−Dの「コピー不可」を付与することを特徴とする請求項1〜3の何れか1項に記載のIPストリーミングコピー制御方法。
- ネットワークを介してストリーミングコンテンツを提供するストリーミングサーバと、該ストリーミングサーバから提供されるストリーミングコンテンツを受信して再生信号を出力するクライアント端末とからなるIPストリーミングコピー制御システムであって、
前記クライアント端末にコピー制御情報付与手段を備え、該コピー制御情報付与手段は、コピー制御情報が付加されていないストリーミングコンテンツを受信したとき、該受信したストリーミングコンテンツが、当該クライアント端末に予め設定されている条件に該当するストリーミングコンテンツである場合には、前記受信したストリーミングコンテンツの再生信号を出力する際に、該再生信号にコピー制御情報を付与して出力する機能を有していることを特徴とするIPストリーミングコピー制御システム。 - 前記コピー制御情報付与手段は、前記クライアント端末が受信したストリーミングコンテンツがDRM暗号化されていることを前記条件として、前記再生信号にコピー制御情報を付与する機能を有していることを特徴とする請求項5に記載のIPストリーミングコピー制御システム。
- 前記コピー制御情報付与手段は、ネットワークを介してストリーミングコンテンツを提供するコンテンツ提供サーバのアドレスが、前記クライアント端末に予め作成されて保存されているURLリストと一致していることを前記条件として、前記再生信号にコピー制御情報を付与する機能を有していることを特徴とする請求項5に記載のIPストリーミングコピー制御システム。
- 前記付与されるコピー制御情報は、アナログインタフェースに対してはCGMS−Aの「コピー不可」とマクロビジョンであり、デジタルインターフェースに対してはCGMS−Dの「コピー不可」であることを特徴とする請求項5〜7の何れか1項に記載のIPストリーミングコピー制御システム。
- 請求項5に記載のIPストリーミングコピー制御システムに用いられるクライアント端末であって、
コピー制御情報が付加されていないストリーミングコンテンツを受信したとき、該受信したストリーミングコンテンツが、当該クライアント端末に予め設定されている条件に該当するストリーミングコンテンツである場合には、前記受信したストリーミングコンテンツの再生信号を出力する際に、該再生信号にコピー制御情報を付与して出力するコピー制御情報付与手段を備えていることを特徴とするクライアント端末。 - 前記コピー制御情報付与手段は、前記クライアント端末が受信したストリーミングコンテンツがDRM暗号化されていることを前記条件として、前記再生信号にコピー制御情報を付与する機能を有していることを特徴とする請求項9に記載のクライアント端末。
- 前記コピー制御情報付与手段は、ネットワークを介してストリーミングコンテンツを提供するコンテンツ提供サーバのアドレスが、前記クライアント端末に予め作成されて保存されているURLリストと一致していることを前記条件として、前記再生信号にコピー制御情報を付与する機能を有していることを特徴とする請求項9に記載のクライアント端末。
- 前記付与されるコピー制御情報は、アナログインタフェースに対してはCGMS−Aの「コピー不可」とマクロビジョンであり、デジタルインターフェースに対してはCGMS−Dの「コピー不可」であることを特徴とする請求項9〜11の何れか1項に記載のクライアント端末。
- コンピュータに、コピー制御情報が付加されていないストリーミングコンテンツを受信したとき、該受信したストリーミングコンテンツが、当該クライアント端末に予め設定されている条件に該当するストリーミングコンテンツである場合、前記受信したストリーミングコンテンツの再生信号を出力する際に、該再生信号にコピー制御情報を付与して出力する処理を実行させるためのプログラム。
- 前記クライアント端末が受信したストリーミングコンテンツがDRM暗号化されていることを前記条件として、前記再生信号にコピー制御情報を付与して出力する処理を実行させる請求項13に記載のプログラム。
- ネットワークを介してストリーミングコンテンツを提供するコンテンツ提供サーバのアドレスが、前記クライアント端末に予め作成されて保存されているURLリストと一致していることを前記条件として、前記再生信号にコピー制御情報を付与して出力する処理を実行させる請求項13に記載のプログラム。
Priority Applications (4)
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JP2008184194A JP5261050B2 (ja) | 2008-07-15 | 2008-07-15 | Ipストリーミングコピー制御方法およびシステム |
EP09163899A EP2146481A3 (en) | 2008-07-15 | 2009-06-26 | IP Streaming copy control method and system |
US12/501,164 US20100017892A1 (en) | 2008-07-15 | 2009-07-10 | Ip streaming copy control method and system |
CN200910159387A CN101630519A (zh) | 2008-07-15 | 2009-07-15 | Ip流式拷贝控制方法和系统 |
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JP2008184194A JP5261050B2 (ja) | 2008-07-15 | 2008-07-15 | Ipストリーミングコピー制御方法およびシステム |
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JP5261050B2 JP5261050B2 (ja) | 2013-08-14 |
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US8970668B2 (en) * | 2010-11-29 | 2015-03-03 | Verizon Patent And Licensing Inc. | High bandwidth streaming to media player |
KR101824544B1 (ko) * | 2010-12-06 | 2018-02-02 | 삼성전자주식회사 | 디지털 컨텐츠 관리 시스템의 컨텐츠 거래 장치 및 방법 |
US10080047B1 (en) * | 2017-05-05 | 2018-09-18 | Wayne D. Lonstein | Methods for identifying, disrupting and monetizing the illegal sharing and viewing of digital and analog streaming content |
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JP2000312291A (ja) * | 1999-04-28 | 2000-11-07 | Hitachi Ltd | 復号装置および再生装置 |
JP2006101251A (ja) * | 2004-09-30 | 2006-04-13 | Hitachi Ltd | 新著作権管理システム対応媒体の記録・再生方式、著作権管理方法及び再生装置 |
JP2006521713A (ja) * | 2002-12-17 | 2006-09-21 | ソニー ピクチャーズ エンターテインメント | 重複するマルチサーバネットワーク環境におけるアクセス制御のための方法及び装置 |
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JP2000270309A (ja) | 1999-03-18 | 2000-09-29 | Dainippon Printing Co Ltd | 情報配信に対する課金および清算システム並びにそのサーバ |
NZ506002A (en) | 2000-07-26 | 2003-01-31 | Rpk New Zealand Ltd | Encryption processing for streaming media by assigning tag value, creating packet key, encrypting data and adding tag value |
US7165175B1 (en) * | 2000-09-06 | 2007-01-16 | Widevine Technologies, Inc. | Apparatus, system and method for selectively encrypting different portions of data sent over a network |
JP4934923B2 (ja) * | 2001-08-09 | 2012-05-23 | ソニー株式会社 | 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにコンピュータ・プログラム |
US20030126086A1 (en) | 2001-12-31 | 2003-07-03 | General Instrument Corporation | Methods and apparatus for digital rights management |
JP4422105B2 (ja) * | 2003-08-26 | 2010-02-24 | パナソニック株式会社 | 情報処理装置システム、情報処理方法及び情報処理システムにおいて実行されるコンピュータープログラム |
US8195031B2 (en) * | 2004-01-30 | 2012-06-05 | Panasonic Corporation | Recording medium, reproduction device, program, and reproduction method |
JP2006128963A (ja) * | 2004-10-28 | 2006-05-18 | Hitachi Ltd | デジタル信号処理装置 |
US8825551B2 (en) * | 2005-04-21 | 2014-09-02 | Google Technology Holdings LLC | Digital rights management for local recording and home network distribution |
JP2007088704A (ja) | 2005-09-21 | 2007-04-05 | Tomcat Products Inc | サーバ構築型ストリーミングシステム |
US7900264B2 (en) * | 2006-09-29 | 2011-03-01 | Vixs Systems, Inc. | Multimedia client/server system with copy protection recovery and methods for use therewith |
JP2008184194A (ja) | 2007-01-31 | 2008-08-14 | Daio Paper Corp | 仕切体及び包装体 |
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JPH10262231A (ja) * | 1997-03-18 | 1998-09-29 | Sony Corp | 情報記録媒体並びに情報記録装置及び方法並びに情報再生装置及び方法並びに情報記録再生装置 |
JP2000312291A (ja) * | 1999-04-28 | 2000-11-07 | Hitachi Ltd | 復号装置および再生装置 |
JP2006521713A (ja) * | 2002-12-17 | 2006-09-21 | ソニー ピクチャーズ エンターテインメント | 重複するマルチサーバネットワーク環境におけるアクセス制御のための方法及び装置 |
JP2006101251A (ja) * | 2004-09-30 | 2006-04-13 | Hitachi Ltd | 新著作権管理システム対応媒体の記録・再生方式、著作権管理方法及び再生装置 |
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CN101630519A (zh) | 2010-01-20 |
EP2146481A3 (en) | 2010-03-17 |
US20100017892A1 (en) | 2010-01-21 |
JP5261050B2 (ja) | 2013-08-14 |
EP2146481A2 (en) | 2010-01-20 |
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