JP2008521364A - 以前に放送されたコンテンツを安全に転送する方法および装置 - Google Patents
以前に放送されたコンテンツを安全に転送する方法および装置 Download PDFInfo
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- JP2008521364A JP2008521364A JP2007543363A JP2007543363A JP2008521364A JP 2008521364 A JP2008521364 A JP 2008521364A JP 2007543363 A JP2007543363 A JP 2007543363A JP 2007543363 A JP2007543363 A JP 2007543363A JP 2008521364 A JP2008521364 A JP 2008521364A
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Abstract
【解決手段】 以前に放送されたコンテンツを安全に転送する方法および装置は、以前に放送されたコンテンツをコンピュータネットワーク上のDVRの間で安全に転送することを可能にする。
【選択図】 図4A
Description
2.0 構造的な概要
3.0 以前に放送されたコンテンツを安全に転送する方法
3.1 以前に放送されたコンテンツの要求
3.2 正当性確認および認可
3.3 DVRプールの作成
3.4 以前に放送されたコンテンツの転送の開始
4.0 実施形態のメカニズム − ハードウェアの概要
5.0 拡張および代替形態
本発明においては、上述の背景技術に識別されているニーズと、以下の説明から明らかになるその他のニーズおよび目的が達成され、本発明は、1つの観点においては、以前に放送されたコンテンツを安全に転送する方法、を含んでいる。ユーザのDVRに録画または格納されていない以前に放送されたコンテンツを要求して受信することのできる手段が、DVRのユーザに提供される。
図1Aを参照すると、1つの実施形態による、ネットワークを介してDVR間でコンテンツを配信する通信システムが示されている。この通信システムは、DVR 101、102、103、104、および105を含んでいる。DVR 101〜105は、任意の適切な通信インタフェース(例:イーサネット(登録商標)、無線通信ポート)を介して、インターネット107に通信可能な状態に結合されている。さらに、DVR 101〜105は、インターネットサービスプロバイダ(ISP)のローカルアクセス電話番号をコールすることによって、インターネット107との接続を開始することができる。DVRのこれらの機能については、本出願人の出願に係る特許文献1に代表的な機能が記載されており、この文書は本文書に参照文献として組み込まれているものとする。
3.1 以前に放送されたコンテンツの要求
1つの実施形態において、いま、DVR 101のユーザが、以前に放送されたがDVR 101が録画しなかった番組コンテンツを取得することを望むとする。従って、この番組コンテンツはDVR 101に格納されておらず、再生するために利用できない。
サービスプロバイダ106は、要求を受信すると、ユーザまたはDVR 101の正当性を確認し、以前に放送された番組コンテンツの転送を認可し、ソースDVRのプールを作成し、ソースDVRとDVR 101との間での転送を開始することによって、その要求を処理する。
サービスプロバイダ106は、コンテンツの受信をユーザが認可されることと、そのコンテンツが転送目的に利用可能であることとを認識すると、選択されるDVRのプールの形成に進む。
サービスプロバイダ106は、特定の要求に対するDVRプールを作成すると、そのDVRプールと要求側DVRとの間の転送を開始する。DVRプールと要求側DVRとの間の転送を開始するため、サービスプロバイダ106は、DVRプールリスト300の中のDVR 102〜104のそれぞれと通信して、番組コンテンツを要求側DVRに送るようにDVR 102〜104のそれぞれに要求することができる。1つの実施形態においては、要求側DVRはDVR 101である。しかしながら、DVR 101は、パーソナルコンピュータ、携帯型デバイス(例:PDA、携帯電話)、あるいは、1つ以上のDVRからコンテンツを受信できるその他の任意のデバイスとすることができることに留意されたい。
図6は、本発明の実施形態を実施することのできるコンピュータシステム600を示しているブロック図である。コンピュータシステム600は、情報を伝達するためのバス602またはその他の通信機構と、バス602に結合されている、情報を処理するプロセッサ604とを含んでいる。コンピュータシステム600は、情報と、プロセッサ604によって実行される命令とを格納するためのメインメモリ606(例:ランダムアクセスメモリ(RAM)またはその他の動的記憶装置)も含んでいる。メインメモリ606は、プロセッサ604によって実行される命令の実行時に一時変数またはその他の中間情報を格納するためにも使用することができる。コンピュータシステム600は、静的情報と、プロセッサ604の命令とを格納するための、バス602に結合されている読取専用メモリ(ROM)608またはその他の静的記憶装置をさらに含んでいる。情報および命令を格納するための記憶装置610(例:磁気ディスク、光ディスク)が設けられており、バス602に結合されている。
106 サービスプロバイダ
107 インターネット
108 コンテンツプロバイダ
109 コンテンツサーバ
110 DVRプール
140 データベース
150 テーブル
152 ユーザID
154 DVR
156 タイプ
158 請求
152A 入力部
152B 出力部
154 信号変換器
156A 符号器
156B 復号器
158 暗号器/暗号解読器
160 記録モジュール
162 通信インタフェース
164 記憶装置
160 テーブル
162 コンテンツプロバイダ
164 番組
166 アクセス
168 料金
300 DVRプールリスト
302 DVR
304 帯域幅
306 プールステータス
402 結合モジュール
404 通信インタフェース
406 記憶装置モジュール
407 負荷バランシング回路
503 コンテンツ
505 配置データ
602 バス
604 プロセッサ
606 メインメモリ
608 ROM
610 記憶装置
612 ディスプレイ
614 入力デバイス
616 カーソル制御
618 通信インタフェース
620 ネットワークリンク
622 ローカルネットワーク
624 ホスト
626 ISP
628 インターネット
630 サーバ
Claims (37)
- 以前に放送されたコンテンツの安全な転送を提供する方法であって、
以前に放送されたコンテンツを取得するための要求を、サービスプロバイダにおいてデジタルビデオレコーダー(DVR)から受信するステップと、
前記サービスプロバイダにおいて前記要求の正当性を確認するステップと、
前記要求されている以前に放送されたコンテンツが1つ以上のデバイスに位置していることを認識するステップと、
前記1つ以上のデバイスに関する情報に基づいてデバイスのプールを作成するステップと、
前記デバイスのプールの中の1つ以上のデバイスから前記DVRへの、前記以前に放送されたコンテンツの転送を、前記サービスプロバイダにおいて開始するステップと、
を含んでいる、方法。 - 前記正当性を確認するステップが、
前記DVRの所有者が、前記以前に放送されたコンテンツの取得が認可される、ことを認識するステップと、
前記以前に放送されたコンテンツが、転送が許可される、ことを認識するステップと、
をさらに含んでいる、請求項1に記載の方法。 - 前記以前に放送されたコンテンツが、ユーザからの支払金を必要とすることを認識するステップと、
前記支払金を前記所有者の口座から差し引くステップと、
をさらに含んでいる、請求項2に記載の方法。 - 前記開始するステップが、
前記要求されている以前に放送されたコンテンツの少なくとも一部を前記DVRに転送することのメッセージを、前記デバイスのプールの中の1つ以上のデバイスに送るステップ、
を含んでいる、請求項1に記載の方法。 - 前記デバイスのプールの中のデバイスのそれぞれが、前記以前に放送されたコンテンツのうち自身に割り当てられている部分を前記DVRに転送する前に、前記割り当てられている部分を暗号化する、請求項4に記載の方法。
- 前記要求されている以前に放送されたコンテンツの複数の部分を前記DVRにおいて受信するステップと、
前記複数の部分を結合して、前記要求されている以前に放送されたマルチメディアコンテンツを表すデジタルデータストリームを作成するステップと、
前記デジタルデータストリームを前記DVRにおける記憶装置に格納するステップと、
をさらに含んでいる、請求項1に記載の方法。 - 前記開始するステップが、
前記デバイスのプールの中の1つ以上のデバイスからの、前記要求されているマルチメディアコンテンツの少なくとも一部、を要求するように前記DVRに命令する転送要求を前記DVRに送るステップ、
をさらに含んでいる、請求項1に記載の方法。 - 前記転送要求が、前記デバイスのプールの中の各デバイスのリストを含んでいる、請求項7に記載の方法。
- 前記1つ以上のデバイスが、前記要求側DVRのローカルネットワークの外側に位置している1つ以上のDVRを含んでいる、請求項1に記載の方法。
- 前記1つ以上のデバイスが、前記要求側DVRのローカルネットワークの外側に位置している1つ以上のコンテンツサーバを含んでいる、請求項9に記載の方法。
- 前記作成するステップが、
前記デバイスのプールに含めるデバイスとして、デバイスのプールにまだ入っていない1つ以上のデバイスを選択するステップ、
をさらに含んでいる、請求項1に記載の方法。 - 前記作成するステップが、
前記デバイスのプールに含めるデバイスとして、ネットワークを介してデータを転送するための帯域幅の最小しきい値を上回っている1つ以上のデバイスを選択するステップ、
をさらに含んでいる、請求項1に記載の方法。 - 以前に放送されたコンテンツの安全な転送を提供するシステムであって、
デジタルビデオレコーダー(DVR)と、
サービスプロバイダと、
前記DVRと前記サービスプロバイダとに結合されているコンピュータネットワークと、
を備えており、
前記DVRが、前記サービスプロバイダと通信して、以前に放送されたコンテンツを要求し、
前記サービスプロバイダが、以前に放送されたコンテンツの前記DVRからの要求を認可し、
前記サービスプロバイダが、前記要求されている以前に放送されたコンテンツをローカルに格納しておりかつ前記コンピュータネットワークに結合されている1つ以上のデバイス、を有するデバイスプールを生成し、
前記サービスプロバイダが、前記デバイスプールの中の1つ以上のデバイスから前記DVRへの、以前に放送されたコンテンツの転送を開始する、
システム。 - 以前に放送されたコンテンツの安全な転送を提供する装置であって、
以前に放送されたコンテンツを取得するための要求を、サービスプロバイダにおいてデジタルビデオレコーダー(DVR)から受信するモジュールと、
前記サービスプロバイダにおいて前記要求の正当性を確認するモジュールと、
前記要求されている以前に放送されたコンテンツが1つ以上のデバイスに位置していることを認識するモジュールと、
前記1つ以上のデバイスに関する情報に基づいてデバイスのプールを作成するモジュールと、
前記デバイスのプールの中の1つ以上のデバイスから前記DVRへの、前記以前に放送されたコンテンツの転送を、前記サービスプロバイダにおいて開始するモジュールと、
を備えている、装置。 - 前記要求の正当性を確認する前記モジュールが、
前記DVRの所有者が、前記以前に放送されたコンテンツの取得が認可される、ことを認識するモジュールと、
前記以前に放送されたコンテンツが、転送が許可される、ことを認識するモジュールと、
をさらに備えている、請求項14に記載の装置。 - 前記以前に放送されたコンテンツが、ユーザからの支払金を必要とする、ことを認識するモジュールと、
前記支払金を前記所有者の口座から差し引くモジュールと、
をさらに備えている、請求項15に記載の装置。 - 前記開始するモジュールが、
前記要求されている以前に放送されたコンテンツの少なくとも一部を前記DVRに転送することのメッセージを、前記デバイスのプールの中の1つ以上のデバイスに送るモジュール、
を含んでいる、請求項14に記載の装置。 - 前記デバイスのプールの中のデバイスのそれぞれが、前記以前に放送されたコンテンツのうち自身に割り当てられている部分を前記DVRに転送する前に、前記割り当てられている部分を暗号化する、請求項17に記載の装置。
- 前記要求されている以前に放送されたコンテンツの複数の部分を前記DVRにおいて受信するモジュールと、
前記複数の部分を結合して、前記要求されている以前に放送されたマルチメディアコンテンツを表すデジタルデータストリームを作成するモジュールと、
前記デジタルデータストリームを前記DVRにおける記憶装置に格納するモジュールと、
をさらに備えている、請求項14に記載の装置。 - 前記開始するモジュールが、
前記デバイスのプールの中の1つ以上のデバイスからの、前記要求されているマルチメディアコンテンツの少なくとも一部、を要求するように前記DVRに命令する転送要求を前記DVRに送るモジュール、
をさらに備えている、請求項14に記載の装置。 - 前記転送要求が、前記デバイスのプールの中の各デバイスのリストを含んでいる、請求項20に記載の装置。
- 前記1つ以上のデバイスが、前記要求側DVRのローカルネットワークの外側に位置している1つ以上のDVRを含んでいる、請求項14に記載の装置。
- 前記1つ以上のデバイスが、前記要求側DVRのローカルネットワークの外側に位置している1つ以上のコンテンツサーバを含んでいる、請求項22に記載の装置。
- 前記作成するモジュールが、
前記デバイスのプールに含めるデバイスとして、デバイスのプールにまだ入っていない1つ以上のデバイスを選択するモジュール、
をさらに備えている、請求項14に記載の装置。 - 前記作成するモジュールが、
前記デバイスのプールに含めるデバイスとして、ネットワークを介してデータを転送するための帯域幅の最小しきい値を上回っている1つ以上のデバイスを選択するモジュール、
をさらに備えている、請求項14に記載の装置。 - マルチメディアコンテンツの安全な転送および再生を提供する命令の1つ以上のシーケンスを担持するコンピュータ可読媒体であって、前記命令が、1つ以上のプロセッサによって実行されることによって、前記1つ以上のプロセッサが、
以前に放送されたコンテンツを取得するための要求を、サービスプロバイダにおいてデジタルビデオレコーダー(DVR)から受信するステップと、
前記サービスプロバイダにおいて前記要求の正当性を確認するステップと、
前記要求されている以前に放送されたコンテンツが1つ以上のデバイスに位置していることを認識するステップと、
前記1つ以上のデバイスに関する情報に基づいてデバイスのプールを作成するステップと、
前記デバイスのプールの中の1つ以上のデバイスから前記DVRへの、前記以前に放送されたコンテンツの転送を、前記サービスプロバイダにおいて開始するステップと、
を実行する、コンピュータ可読媒体。 - 前記正当性を確認するステップが、
前記DVRの所有者が、前記以前に放送されたコンテンツの取得が認可される、ことを認識するステップと、
前記以前に放送されたコンテンツが、転送が許可される、ことを認識するステップと、
をさらに含んでいる、請求項26に記載のコンピュータ可読媒体。 - 前記以前に放送されたコンテンツが、ユーザからの支払金を必要とする、ことを認識するステップと、
前記支払金を前記所有者の口座から差し引くステップ、
のための命令、をさらに含んでいる、請求項27に記載のコンピュータ可読媒体。 - 前記開始するステップが、
前記要求されている以前に放送されたコンテンツの少なくとも一部を前記DVRに転送することのメッセージを、前記デバイスのプールの中の1つ以上のデバイスに送るステップ、
を含んでいる、請求項26に記載のコンピュータ可読媒体。 - 前記デバイスのプールの中のデバイスのそれぞれが、前記以前に放送されたコンテンツのうち自身に割り当てられている部分を前記DVRに転送する前に、前記割り当てられている部分を暗号化する、請求項29に記載のコンピュータ可読媒体。
- 前記要求されている以前に放送されたコンテンツの複数の部分を前記DVRにおいて受信するステップと、
前記複数の部分を結合して、前記要求されている以前に放送されたマルチメディアコンテンツを表すデジタルデータストリームを作成するステップと、
前記デジタルデータストリームを前記DVRにおける記憶装置に格納するステップ、
のための命令、をさらに含んでいる、請求項26に記載のコンピュータ可読媒体。 - 前記開始するステップが、
前記デバイスのプールの中の1つ以上のデバイスからの、前記要求されているマルチメディアコンテンツの少なくとも一部、を要求するように前記DVRに命令する転送要求を前記DVRに送るステップ、
をさらに含んでいる、請求項26に記載のコンピュータ可読媒体。 - 前記転送要求が、前記デバイスのプールの中の各デバイスのリストを含んでいる、請求項32に記載のコンピュータ可読媒体。
- 前記1つ以上のデバイスが、前記要求側DVRのローカルネットワークの外側に位置している1つ以上のDVRを含んでいる、請求項26に記載のコンピュータ可読媒体。
- 前記1つ以上のデバイスが、前記要求側DVRのローカルネットワークの外側に位置している1つ以上のコンテンツサーバを含んでいる、請求項34に記載のコンピュータ可読媒体。
- 前記作成するステップが、
前記デバイスのプールに含めるデバイスとして、デバイスのプールにまだ入っていない1つ以上のデバイスを選択するステップ、
をさらに含んでいる、請求項26に記載のコンピュータ可読媒体。 - 前記作成するステップが、
前記デバイスのプールに含めるデバイスとして、ネットワークを介してデータを転送するための帯域幅の最小しきい値を上回っている1つ以上のデバイスを選択するステップ、
をさらに含んでいる、請求項26に記載のコンピュータ可読媒体。
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