JP2008152913A - リムーバブル記録媒体によって配布されるデジタルコンテンツの使用及びコピーを制御する方法 - Google Patents
リムーバブル記録媒体によって配布されるデジタルコンテンツの使用及びコピーを制御する方法 Download PDFInfo
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Abstract
【解決手段】保護された(例えば暗号化された)デジタルコンテンツのコピーを作成できる回数を制御又は制限することにより、デジタルコンテンツを保護する(202,203)。一実施例においては、コピーが望まれる場合、デジタルコンテンツを含む記録媒体(例えば、CD)がコンピュータ装置に挿入されると、保護されたデジタルコンテンツの許可された最大数のコピーが作成され、コンピュータ装置のハードディスクドライブに保存される(201,202,203)。各コピーは、他の機器(例えば、半導体メモリを備える携帯型機器)にコピーではなく移動される(204,205,206)。
【選択図】図3
Description
Claims (21)
- リムーバブル記録媒体を介して配信されるコピー保護されたデジタルコンテンツの使用を制御するコンテンツ使用制御方法において、
コンピュータ装置によって上記リムーバブル記録媒体からデータを読み出すステップと、
上記デジタルコンテンツの所定数の保護されたコピーを作成するステップと、
上記コンピュータ装置に接続された記録機器に上記保護されたコピーを記録するステップと、
上記保護されたコピーの少なくとも1つを、他の機器に移動するステップと
を有するコンテンツ使用制御方法。 - 上記保護されたコピーの数は、上記リムーバブル記録媒体に記録されている情報に基づいて決定されることを特徴とする請求項1記載のコンテンツ使用制御方法。
- 上記リムーバブル記録媒体に記録されている情報は、上記コピーを先に作成したコンピュータ装置を特定する情報を含むことを特徴とする請求項2記載のコンテンツ使用制御方法。
- 上記コンピュータ装置を特定する情報は、該コンピュータ装置のハードウェア構成に関する情報を含むことを特徴とする請求項3記載のコンテンツ使用制御方法。
- 上記リムーバブル記録媒体に記録されている上記情報は、既に作成されているコピーの数を示す情報を含むことを特徴とする請求項2記載のコンテンツ使用制御方法。
- 上記保護されたコピーの少なくとも1つを、他の機器に移動するステップは、
上記保護されたコピーの少なくとも1つを上記他の機器にコピーするステップと、
上記保護されたコピーの少なくとも1つを上記コンピュータ装置から削除するステップとを有することを特徴とする請求項1記載のコンテンツ使用制御方法。 - 上記保護されたコピーの少なくとも1つを移動する前に、上記他の機器を認証するステップを更に有する請求項1記載のコンテンツ使用制御方法。
- 上記他の機器を認証するステップは、
上記他の機器が、上記デジタルコンテンツの保護されたコピーを受け取ることが許可されているか否かを判定するステップを有することを特徴とする請求項7記載のコンテンツ使用制御方法。 - 上記他の機器は、他のコンピュータ装置であることを特徴とする請求項8記載のコンテンツ使用制御方法。
- 上記他の機器は、携帯型オーディオ機器であることを特徴とする請求項8記載のコンテンツ使用制御方法。
- 上記リムーバブル記録媒体に格納されているソフトウェアを実行し、上記所定数の保護されたコピーを作成及び保存するステップを更に有する請求項1記載のコンテンツ使用制御方法。
- 上記リムーバブル記録媒体に格納されたソフトウェアの完全性を検証するステップを更に有する請求項11記載のコンテンツ使用制御方法。
- 上記リムーバブル記録媒体に格納されたソフトウェアを上記コンピュータ装置にインストールするステップを更に有する請求項12記載のコンテンツ使用制御方法。
- リムーバブル記録媒体を介して配信されたコピー保護されたデジタルコンテンツの使用を制御するコンテンツ使用制御方法において、
コンピュータ装置によって上記リムーバブル記録媒体からデータを読み出すステップと、
上記デジタルコンテンツの数が制限された保護されたコピーを作成するステップと、
上記コンピュータ装置に接続された記録機器に上記数が制限された保護されたコピーを記録するステップと、
上記リムーバブル記録媒体に格納されている制御情報に基づいて、上記数が制限された保護されたコピーへのアクセスを制御するステップと
を有するコンテンツ使用制御方法。 - 上記制御情報は、上記コピーを先に作成したコンピュータ装置を特定する情報を含むことを特徴とする請求項14記載のコンテンツ使用制御方法。
- 上記制御情報は、上記コンピュータ装置のハードウェア構成に関する情報を含むことを特徴とする請求項15記載のコンテンツ使用制御方法。
- 上記制御情報は、既に作成されているコピーの数を示す情報を含むことを特徴とする請求項14記載のコンテンツ使用制御方法。
- 上記保護されたコピーの少なくとも1つを認証された機器に移動するステップを更に備える請求項14記載のコンテンツ使用制御方法。
- 上記各保護されたコピーに、該保護されたコピーの元となる特定のリムーバブル記録媒体を識別する識別情報を含ませるステップを更に有する請求項14記載のコンテンツ使用制御方法。
- 上記各保護されたコピーに、該保護されたコピーを作成したコンピュータ装置を識別する識別情報を含ませるステップを更に有する請求項19記載のコンテンツ使用制御方法。
- 上記各保護されたコピーに、該保護されたコピーを作成したコンピュータ装置を識別する識別情報を含ませるステップを更に有する請求項14記載のコンテンツ使用制御方法。
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Also Published As
Publication number | Publication date |
---|---|
KR100947152B1 (ko) | 2010-03-12 |
JP2005509994A (ja) | 2005-04-14 |
US20030120943A1 (en) | 2003-06-26 |
KR20050044483A (ko) | 2005-05-12 |
US7756792B2 (en) | 2010-07-13 |
JP5007243B2 (ja) | 2012-08-22 |
WO2003042988A1 (en) | 2003-05-22 |
EP1451814A4 (en) | 2009-05-06 |
CN1331125C (zh) | 2007-08-08 |
EP1451814A1 (en) | 2004-09-01 |
CN1613111A (zh) | 2005-05-04 |
US20040220879A1 (en) | 2004-11-04 |
JP4198060B2 (ja) | 2008-12-17 |
US6748537B2 (en) | 2004-06-08 |
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