JP2012090351A - オンデマンド・コンテンツのローカルな格納を管理するためのシステムおよび方法 - Google Patents
オンデマンド・コンテンツのローカルな格納を管理するためのシステムおよび方法 Download PDFInfo
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- 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
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Abstract
【解決手段】ローカルに格納されたオンデマンド・コンテンツを管理するためのオンデマンドのシステムおよび方法が提供される。レンタル条件、動的要因および鍵を含むことができる制約基準を基にして、ユーザ機器がローカルな記憶装置からのオンデマンド・コンテンツの消去および/またはオンデマンド・コンテンツへのアクセスを制御する。さらに、本発明は、オンデマンド・クライアントが実装されるユーザ機器を提供し、このユーザ機器は、オンデマンド・コンテンツの少なくとも一部分および処理回路を格納するように構成される。
【選択図】図1
Description
本発明の目的はローカルな記憶装置内にオンデマンド・コンテンツを格納し、ローカルに格納されたオンデマンド・コンテンツの使用を管理するためのシステムおよび方法を提供することである。本明細書で使用される「オンデマンド・コンテンツ」は、オンデマンド・プログラム(および/またはデータおよび/またはオーディオ)、オンデマンド・アプリケーション(例えば、ゲームおよび対話型ミニ・ガイド)、ならびに1つ以上のオンデマンド・プログラムに関連するコンテンツを含み、例えば、オンデマンド・プログラムに関連する特別な特徴、オンデマンド・プログラムの予告編、関連のあるオンデマンド・プログラム、オンデマンド関連アプリケーション(例えば、結合型または非結合型のオープン・ケーブル・アプリケーション・プラットフォーム(OCAP)アプリケーション)、またはパッケージの部分として提供されるそのようなコンテンツの組み合わせ等である。限定する目的ではなく、明確にするために、ここでは折に触れて本発明がローカルにキャッシュされたオンデマンド・ビデオ・プログラム・コンテンツの再生の管理に関連して議論されるが、本発明の原理は他の適切なオンデマンド・コンテンツの管理に適用されてもよい。
アントはローカルな再生が出来るようにローカルな記憶装置にコンテンツのストリーム(または、その一部分)を格納する。オンデマンド・クライアントはローカルに格納されたオンデマンド・コンテンツの消去および/またはオンデマンド・コンテンツへのアクセスを制御するための制約基準(constraint criterion)を使用する。制約基準はオンデマンド・レンタル条件、動的要因および/または鍵を含み、その制約基準は1つ以上のオンデマンド・コンテンツもしくはオンデマンド・コンテンツの分類に関連している。ある実施形態では、ローカルに格納されたオンデマンド・コンテンツへのアクセスを制御するために使用される制約基準はローカルに格納されたオンデマンド・コンテンツの消去の制御に使用される制約基準とは異なることもある。
例えば、本発明は以下の項目を提供する。
(項目1)
オンデマンド・サーバおよびオンデマンド・クライアントを含むオンデマンド・システムにおける、該オンデマンド・サーバにより提供されるオンデマンド・コンテンツの少なくとも一部分を管理する方法であって、該オンデマンド・コンテンツの少なくとも一部分は、該オンデマンド・クライアントに対してはローカルである記憶装置内に格納され、
オンデマンド・プロバイダのレンタル方針にしたがって、該記憶装置上の該オンデマンド・コンテンツの該少なくとも一部分の消去および/またはアクセスを制約するオンデマンドのレンタル条件を受取ることと、
該オンデマンドのレンタル条件に応じて、該記憶装置上の該オンデマンド・コンテンツの該少なくとも一部分の消去および/またはアクセスを制御することと
を包含する、方法。
(項目2)
上記オンデマンドのレンタル条件は、上記オンデマンド・サーバおよび第三者権利管理サーバの少なくとも1つから受取られる、項目1に記載の方法。
(項目3)
上記オンデマンドのレンタル条件は、
少なくとも1つの期間と、
少なくとも1つの使用制限と、
上記記憶装置に格納されている他のオンデマンド・コンテンツの特性と
のうちの少なくとも1つを規定する、項目1に記載の方法。
(項目4)
上記オンデマンドのレンタル条件は、オンデマンド・コンテンツのレーティングに応じ、
該レーティングに応じた最大の回数と、
該レーティングに応じた累積期間と
のうちの少なくとも1つを規定する、項目1に記載の方法。
(項目5)
上記オンデマンド・コンテンツの上記少なくとも一部分の復号を可能にする鍵を受取ることと、
該鍵に応じて、該オンデマンド・コンテンツの該少なくとも一部分を復号することと、
該オンデマンド・コンテンツの該復号された少なくとも一部分を再生することと
をさらに含む、項目1に記載の方法。
(項目6)
動的要因を受け取ることであって、該動的要因は、上記オンデマンド・クライアントが実装される機器の状態に基づいて、上記記憶装置に格納された上記オンデマンド・コンテンツの上記少なくとも一部分の消去および/またはアクセスを制約する、ことと、
該動的要因に応じて、該オンデマンド・コンテンツの該少なくとも一部分の消去および/またはアクセスを制御することと
をさらに含む、項目1に記載の方法。
(項目7)
上記ユーザが上記オンデマンド・コンテンツを見ているかどうかを判断することと、
上記記憶装置が利用可能であるかどうかを判断することと、
該オンデマンド・コンテンツの少なくとも一部分が保存基準を満たすかどうかを判断することと
のうち少なくとも1つを上記動的要因が規定する、項目6に記載の方法。
(項目8)
上記記憶装置上の上記オンデマンド・コンテンツの上記少なくとも一部分の上記消去および/またはアクセスを制御することは、
上記オンデマンド・クライアントのユーザが該オンデマンド・コンテンツの該少なくとも一部分をアクティブに見ていないことを判断することと、
該判断に応じて該記憶装置から該オンデマンド・コンテンツの該少なくとも一部分を消去することと
を含む、項目6に記載の方法。
(項目9)
上記記憶装置の上記オンデマンド・コンテンツの上記少なくとも一部分の消去および/またはアクセスを制御することは、
上記オンデマンド・クライアントのユーザが、該オンデマンド・コンテンツの該少なくとも一部分を見ていないこと、および該記憶装置のスペースが他のシステムの活動にとって必要であることを判断することと、
該判断に応じて、該記憶装置から該オンデマンド・コンテンツの該少なくとも一部分を消去することと
を含む、項目6に記載の方法。
(項目10)
上記記憶装置の上記オンデマンド・コンテンツの上記少なくとも一部分の消去および/またはアクセスを制御することは、
上記オンデマンド・クライアントの上記ユーザは該オンデマンド・コンテンツの該少なくとも一部分を見ていないこと、該記憶装置上のスペースが他のシステムの活動のために必要であること、および該記憶装置上の該オンデマンド・コンテンツの該少なくとも一部分によって用いられるスペース、は規定された最小の保存閾値よりも小さいこと、を判断することと、
該判断に応じて、該記憶装置からの該オンデマンド・コンテンツの該少なくとも一部分を消去することと
を含む、項目1に記載の方法。
(項目11)
オンデマンド・クライアントが実装されるユーザ機器であって、該ユーザ機器はオンデマンド・コンテンツの少なくとも一部分および処理回路を格納するように構成された記憶装置を備え、該処理回路は、
該オンデマンド・コンテンツの少なくとも一部分を格納するように該記憶装置に命令することと、
オンデマンド・プロバイダのレンタル方針にしたがって、該記憶装置の該オンデマンド・コンテンツの該少なくとも一部分の消去および/またはアクセスを制約するオンデマンドのレンタル方針を受取ることと、
該オンデマンドのレンタル条件に応じて、該記憶装置の該オンデマンド・コンテンツの該少なくとも一部分の消去および/またはアクセスの制御をすることと
のために適合されている、ユーザ機器。
(項目12)
オンデマンド・サーバおよび第三者権利管理サーバのうちの少なくとも1つから、上記オンデマンドのレンタル条件が、処理回路によって受取られる、項目11に記載のユーザ機器。
(項目13)
上記オンデマンドのレンタル条件は、
少なくとも1つの期間と、
少なくとも1つの使用制限と、
上記記憶装置の他のオンデマンド・コンテンツの特性と
のうちの少なくとも1つを規定する、項目11に記載のユーザ機器。
(項目14)
上記オンデマンドのレンタル条件は、上記オンデマンド・コンテンツの上記レーティングに応じ、
該レーティングに応じた最大の回数と、
該レーティング応じた累積期間と
のうちの少なくとも1つを規定する、項目11に記載のユーザ機器。
(項目15)
上記処理回路は、
上記オンデマンド・コンテンツの上記少なくとも一部分の復号を可能にする鍵を受取り、
該鍵に応じて、該オンデマンド・コンテンツの該少なくとも一部分を復号することと、
上記記憶装置の該オンデマンド・コンテンツの該復号された少なくとも一部分を再生することと
のためにさらに構成されている、項目11に記載のユーザ機器。
(項目16)
上記処理回路は、
上記ユーザ機器の状態に基づいて、上記記憶装置上の上記オンデマンド・コンテンツの上記少なくとも一部分の消去および/またはアクセスを制約する動的要因を受取ることと、
該動的要因に応じて、該記憶装置の該オンデマンド・コンテンツの該少なくとも一部分の消去および/またはアクセスをさらに制御することと
のためにさらに構成されている、項目11に記載のユーザ機器。
(項目17)
上記動的要因は、
上記ユーザが上記オンデマンド・コンテンツを見ているかどうかを判断することと、
上記記憶装置が利用可能であるかどうかを判断することと、
該オンデマンド・コンテンツの少なくとも一部分が保存基準を満たすかどうかを判断することと
のうち少なくとも1つを規定する、項目16に記載のユーザ機器。
(項目18)
上記処理回路は、
上記オンデマンド・クライアントのユーザが上記オンデマンド・コンテンツの上記少なくとも一部分をアクティブに見ていないことを判断することと、
該判断に応じて、該オンデマンド・コンテンツの該少なくとも一部分を消去するよう上記記憶装置に命令することと
のためにさらに構成されている、項目16に記載のユーザ機器。
(項目19)
上記処理回路は、
上記オンデマンド・クライアントのユーザが上記オンデマンド・コンテンツの上記少なくとも一部分を見ていないこと、および上記記憶装置が該ユーザ機器の中のリソースの他への使用のために必要であることを判断することと、
該判断に応じて、該オンデマンド・コンテンツの該少なくとも一部分を消去するよう該記憶装置に命令することと
のためにさらに構成されている、項目16に記載のユーザ機器。
(項目20)
上記処理回路は、
上記オンデマンド・クライアントの上記ユーザが上記オンデマンド・コンテンツの上記少なくとも一部分を見ていないこと、上記記憶装置上のスペースが該ユーザ機器の中のリソースの他への使用のために必要であること、および該記憶装置上の該オンデマンド・コンテンツの該少なくとも一部分により使用される該スペースは規定された最小の保存閾値よりも小さいこと、を判断することと、
該判断に応じて、該オンデマンド・コンテンツの該少なくとも一部分を消去するよう該記憶装置に命令することと
のためにさらに構成されている、項目11に記載のユーザ機器。
(項目21)
上記処理回路は、衛星経路、光ファイバ経路、およびケーブル経路のうちの少なくとも1つを含む通信経路を経由してオンデマンド・サーバに結合される、項目11に記載のユーザ機器。
(項目22)
上記処理回路は、テレビジョン、セット・トップ・ボックス、および記録装置のうちの少なくとも1つの部分である、項目11に記載のユーザ機器。
(項目23)
オンデマンド・サーバおよびオンデマンド・クライアントを備えるオンデマンド・システムの中で動作するように適合されたオンデマンド・サーバであって、
オンデマンド・コンテンツおよびオンデマンドのレンタル条件を格納するように構成された記憶装置であって、該オンデマンドのレンタル条件は、オンデマンド・プロバイダのレンタル方針にしたがって、該オンデマンド・クライアントに格納される該オンデマンド・コンテンツの部分の消去および/またはアクセスを制約する、記憶装置と、
処理回路であって、
該オンデマンド・クライアントから該オンデマンド・コンテンツの再生の指令を受取ることと
少なくとも該オンデマンド・コンテンツの一部分および該オンデマンドのレンタル条件を該オンデマンド・クライアントへストリーミング配信することと
のために適合された処理回路と
を備える、オンデマンド・サーバ。
図1は本発明によるオンデマンド・システム100の一実施形態の単純化した構成図である。オンデマンド・システム100はユーザ機器110および遠隔オンデマンド・サーバ150を含む。ある実施形態では、オンデマンド・コンテンツはヘッド・エンドまたは遠隔サイト(図示せず)から遠隔オンデマンド・サーバ150へ供給され、格納される。図1は明確にするために1台の遠隔オンデマンド・サーバ150だけを示しているが、オンデマンド・システム100はユーザ機器110とインターフェースで接続する2台以上の遠隔オンデマンド・サーバ150および/または付加的な形式のサーバを含むこともある。
Claims (1)
- 本願明細書に記載の方法。
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US20210368229A1 (en) | 2021-11-25 |
US20070079342A1 (en) | 2007-04-05 |
WO2007041493A3 (en) | 2007-10-25 |
JP2009510946A (ja) | 2009-03-12 |
EP1938603A2 (en) | 2008-07-02 |
CN101278560A (zh) | 2008-10-01 |
CN102158737A (zh) | 2011-08-17 |
US10419810B2 (en) | 2019-09-17 |
US20190356945A1 (en) | 2019-11-21 |
CN102111641A (zh) | 2011-06-29 |
CN102111641B (zh) | 2013-01-09 |
US11115707B2 (en) | 2021-09-07 |
CN101278560B (zh) | 2011-06-08 |
JP4955689B2 (ja) | 2012-06-20 |
JP2015046941A (ja) | 2015-03-12 |
US20100138882A1 (en) | 2010-06-03 |
CN102158737B (zh) | 2013-04-17 |
US11800181B2 (en) | 2023-10-24 |
US20160066027A1 (en) | 2016-03-03 |
EP1938603A4 (en) | 2011-06-08 |
HK1122166A1 (en) | 2009-05-08 |
JP2012135049A (ja) | 2012-07-12 |
WO2007041493A2 (en) | 2007-04-12 |
CA2623476C (en) | 2022-01-04 |
CA2623476A1 (en) | 2007-04-12 |
JP6262120B2 (ja) | 2018-01-17 |
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