JP2006166249A5 - - Google Patents
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- JP2006166249A5 JP2006166249A5 JP2004357152A JP2004357152A JP2006166249A5 JP 2006166249 A5 JP2006166249 A5 JP 2006166249A5 JP 2004357152 A JP2004357152 A JP 2004357152A JP 2004357152 A JP2004357152 A JP 2004357152A JP 2006166249 A5 JP2006166249 A5 JP 2006166249A5
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Claims (10)
前記サーバ装置の第１の記憶手段に記憶されたコンテンツおよび再生プログラムを取得する取得手段、前記取得手段によって取得されたコンテンツおよび再生プログラムを記憶する第２の記憶手段、前記第２の記憶手段に記憶された再生プログラムを実行することによって、前記第２の記憶手段に記憶されたコンテンツを再生するコンテンツ再生手段、ならびに前記第２の記憶手段に記憶されたコンテンツを前記コンテンツ再生手段に再生させる制御手段を含む再生装置とを含み、
前記制御手段は、前記第２の記憶手段に記憶されたコンテンツを再生するとき、そのコンテンツを再生するための再生プログラムを、前記第１の記憶手段から前記取得手段に取得させ、前記取得手段に取得させた再生プログラムを前記第２の記憶手段に記憶させ、前記第２の記憶手段に記憶させた再生プログラムを前記コンテンツ再生手段に実行させ、
前記第２の記憶手段に記憶させた再生プログラムのうち、前記コンテンツ再生手段がコンテンツを再生するために実行していた再生プログラムを、そのコンテンツの再生が終了したとき、消去することを特徴とするコンテンツ再生システム。 A server apparatus including first storage means for storing content including at least one of image data and sound data, and a reproduction program for reproducing the content;
An acquisition unit that acquires the content and the reproduction program stored in the first storage unit of the server device, a second storage unit that stores the content and the reproduction program acquired by the acquisition unit, and the second storage unit By executing the stored reproduction program, content reproduction means for reproducing the content stored in the second storage means, and control for causing the content reproduction means to reproduce the content stored in the second storage means And a playback device including means,
When the content stored in the second storage unit is played back, the control unit causes the acquisition unit to acquire a playback program for playing back the content from the first storage unit, and causes the acquisition unit to Storing the acquired reproduction program in the second storage means, causing the content reproduction means to execute the reproduction program stored in the second storage means ,
Of the reproduction programs stored in the second storage means, the reproduction program executed by the content reproduction means for reproducing the content is erased when the reproduction of the content is completed. Content playback system.
前記制御手段は、前記第１の記憶手段に記憶されたコンテンツを前記取得手段に取得させるとき、暗号化されたコンテンツを取得させ、前記取得手段に取得させた暗号化されたコンテンツを、前記第２の記憶手段に記憶させ、前記第２の記憶手段に記憶させた暗号化されたコンテンツを再生するとき、前記第１の記憶手段に記憶された再生プログラムおよび鍵情報を前記取得手段に取得させ、前記取得手段に取得させた鍵情報に基づいて、前記第２の記憶手段に記憶させた暗号化されたコンテンツを復号することを特徴とする請求項１に記載のコンテンツ再生システム。 The first storage means further stores key information for decrypting the encrypted content;
When the acquisition unit acquires the content stored in the first storage unit, the control unit acquires the encrypted content, and the encrypted unit acquired by the acquisition unit is stored in the first storage unit. When the encrypted content stored in the second storage unit and stored in the second storage unit is played back, the acquisition unit acquires the playback program and key information stored in the first storage unit. The content reproduction system according to claim 1, wherein the encrypted content stored in the second storage unit is decrypted based on the key information acquired by the acquisition unit.
前記第２の記憶手段は、再生装置への電力の供給が遮断されることによって、記憶している情報が消去される第３の記憶手段を含み、
前記制御手段は、前記取得手段に取得させた再生プログラムを前記第３の記憶手段に記憶させることを特徴とする再生装置。 A playback device included in the content playback system according to claim 1 or 2,
The second storage means includes third storage means for erasing stored information when power supply to the playback device is interrupted,
The reproduction device characterized in that the control means stores the reproduction program acquired by the acquisition means in the third storage means .
前記制御手段は、前記第２の記憶手段に記憶させた再生プログラムのうち、前記コンテンツ再生手段がコンテンツを再生するために実行していた再生プログラムの一部を、そのコンテンツの再生が終了したとき、消去することを特徴とする再生装置。 A playback device included in the content playback system according to claim 1 or 2, or the playback device according to claim 3,
The control means, when the reproduction of the content of the reproduction program stored in the second storage means is completed for a part of the reproduction program executed by the content reproduction means to reproduce the content A playback apparatus characterized by erasing .
前記制御手段は、前記第１の記憶手段に記憶されたコンテンツを、前記取得手段に取得させるとき、そのコンテンツを再生するための再生プログラムの一部も取得させ、前記第２の記憶手段に記憶させたコンテンツを再生するとき、そのコンテンツを再生するための再生プログラムのうちで、前記取得手段に取得させた再生プログラムの前記一部を除く残余の部分を、前記取得手段に取得させることを特徴とする再生装置。 A playback device included in the content playback system according to claim 1 or 2, or the playback device according to claim 3 or 4,
When the acquisition unit acquires the content stored in the first storage unit, the control unit also acquires a part of a reproduction program for reproducing the content, and stores the content in the second storage unit. When the reproduced content is reproduced, among the reproduction programs for reproducing the content, the acquisition unit is caused to acquire the remaining part excluding the part of the reproduction program acquired by the acquisition unit. A playback device.
前記再生プログラムは、再生装置が動作する動作条件に応じた再生プログラムを含み、
前記取得手段は、前記第１の記憶手段に記憶された再生プログラムのうちで、再生装置の動作条件に合致する再生プログラムを取得することを特徴とする再生装置。 A playback device included in the content playback system according to claim 1 or 2, or the playback device according to any one of claims 3 to 5,
The reproduction program includes a reproduction program according to the operating conditions under which the reproduction apparatus operates,
The acquisition device acquires a reproduction program that matches an operation condition of the reproduction device among the reproduction programs stored in the first storage unit .
前記第１の記憶手段は、コンテンツの再生を制限する条件を示す制限情報をさらに記憶し、
前記制御手段は、前記第１の記憶手段に記憶されたコンテンツを前記取得手段に取得させるとき、前記第１の記憶手段に記憶された制限情報も取得させ、前記取得手段に取得させたコンテンツおよび制限情報を、前記第２の記憶手段に記憶させ、前記第２の記憶手段に記憶させたコンテンツを再生するとき、前記第２の記憶手段に記憶させた制限情報によって示される条件が成立すると、前記第２の記憶手段に記憶させたコンテンツを消去することを特徴とする再生装置。 A playback device included in the content playback system according to claim 1 or 2, or the playback device according to any one of claims 3 to 6,
The first storage means further stores restriction information indicating a condition for restricting reproduction of content,
When the acquisition unit acquires the content stored in the first storage unit, the control unit also acquires the restriction information stored in the first storage unit, and the content acquired by the acquisition unit and When the restriction information is stored in the second storage means and the content stored in the second storage means is reproduced, if the condition indicated by the restriction information stored in the second storage means is satisfied, A playback apparatus for erasing content stored in the second storage means .
前記制御手段は、前記第１の記憶手段に記憶された再生プログラムを前記取得手段に取得させるとき、または前記第２の記憶手段に記憶させたコンテンツを、前記コンテンツ再生手段に再生させるとき、異常を検出すると、検出した異常に応じて、前記第１の記憶手段に記憶された再生プログラムを前記取得手段に新たに取得させることを特徴とする再生装置。 A playback device included in the content playback system according to claim 1 or 2, or the playback device according to any one of claims 3 to 7,
When the control unit causes the acquisition unit to acquire the reproduction program stored in the first storage unit, or when the content reproduction unit reproduces the content stored in the second storage unit, an abnormality occurs. When the detection is detected , the reproduction apparatus stores the reproduction program stored in the first storage unit in response to the detected abnormality .
コンテンツを含むデータを記録した記録装置を接続する記録装置接続手段をさらに含み、
前記制御手段は、前記記録装置接続手段に接続された記録装置に記録されたコンテンツを再生するとき、そのコンテンツを再生するための再生プログラムを前記取得手段に取得させることを特徴とする再生装置。 A playback device included in the content playback system according to claim 1 or 2, or the playback device according to any one of claims 3 to 8,
Further comprising a recording device connecting means for connecting a recording device that records data including content,
The playback device, when playing back content recorded on a recording device connected to the recording device connection means, causes the acquisition means to acquire a playback program for playing back the content .
前記サーバ装置は、前記通知手段によって異常が通知されると、前記通知手段によって通知された異常に応じて、コンテンツおよび再生プログラムを前記取得手段に取得させない取得制限手段をさらに含むことを特徴とする請求項１または２に記載のコンテンツ再生システムを構成することを特徴とするサーバ装置。 In the reproducing apparatus, an abnormality detected when the control unit causes the acquisition unit to acquire the reproduction program stored in the first storage unit, or the control unit stores the reproduction program in the second storage unit. A notification unit for notifying the server device of an abnormality detected when the content reproduction unit reproduces the content;
The server device further includes an acquisition limiting unit that prevents the acquisition unit from acquiring the content and the reproduction program in response to the abnormality notified by the notification unit when the abnormality is notified by the notification unit. A server apparatus comprising the content reproduction system according to claim 1 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004357152A JP4739741B2 (en) | 2004-12-09 | 2004-12-09 | Playback apparatus and playback method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004357152A JP4739741B2 (en) | 2004-12-09 | 2004-12-09 | Playback apparatus and playback method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006166249A JP2006166249A (en) | 2006-06-22 |
| JP2006166249A5 true JP2006166249A5 (en) | 2008-01-31 |
| JP4739741B2 JP4739741B2 (en) | 2011-08-03 |
Family
ID=36667719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004357152A Expired - Fee Related JP4739741B2 (en) | 2004-12-09 | 2004-12-09 | Playback apparatus and playback method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4739741B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4931554B2 (en) * | 2006-11-06 | 2012-05-16 | 富士通エフ・アイ・ピー株式会社 | License management system, license management method, and license management program |
| JP4764505B2 (en) | 2009-11-24 | 2011-09-07 | 株式会社東芝 | Information transmitter |
| JP6187139B2 (en) * | 2013-10-21 | 2017-08-30 | ソニー株式会社 | Content transmission system |
| KR101710502B1 (en) * | 2014-04-01 | 2017-03-13 | 네이버 주식회사 | Apparatus and method for playing contents, and apparatus and method for providing contents |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001229229A (en) * | 2000-02-14 | 2001-08-24 | Soft Ryutsu Kk | Digital contents distribution system, digital contents distribution method and recording medium with computer program for browsing digital contents distributed from the distribution system recorded thereon |
| JP3791314B2 (en) * | 2000-09-14 | 2006-06-28 | 株式会社デンソー | In-vehicle device and service providing system |
| JP2002314910A (en) * | 2001-04-10 | 2002-10-25 | Hitachi Ltd | Digital content storing apparatus |
| JP2002318633A (en) * | 2001-04-20 | 2002-10-31 | Hitachi Ltd | Method for limiting program execution and device for the same |
| JP2003099327A (en) * | 2001-09-21 | 2003-04-04 | Yoichi Akase | Data-reproducing method and terminating device |
| WO2003034727A1 (en) * | 2001-10-15 | 2003-04-24 | Stark Co., Ltd. | Content delivery server and content delivery system having the same |
| JP2003134497A (en) * | 2001-10-29 | 2003-05-09 | Nec Microsystems Ltd | System and method for distributing stream data, and program thereof |
| JP4532068B2 (en) * | 2001-12-07 | 2010-08-25 | パナソニック株式会社 | Content distribution system and method |
| JP2004187230A (en) * | 2002-12-06 | 2004-07-02 | Matsushita Electric Ind Co Ltd | Streaming distribution system and stream distribution server |
-
2004
- 2004-12-09 JP JP2004357152A patent/JP4739741B2/en not_active Expired - Fee Related
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