JP5731782B2 - データ記憶ディスクを提供する方法 - Google Patents
データ記憶ディスクを提供する方法 Download PDFInfo
- Publication number
- JP5731782B2 JP5731782B2 JP2010211478A JP2010211478A JP5731782B2 JP 5731782 B2 JP5731782 B2 JP 5731782B2 JP 2010211478 A JP2010211478 A JP 2010211478A JP 2010211478 A JP2010211478 A JP 2010211478A JP 5731782 B2 JP5731782 B2 JP 5731782B2
- Authority
- JP
- Japan
- Prior art keywords
- multimedia
- providing
- encryption keys
- multimedia content
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2504—Holographic discs; Holographic digital data storage [HDDS]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
- G11B7/24044—Recording layers for storing optical interference patterns, e.g. holograms; for storing data in three dimensions, e.g. volume storage
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Storage Device Security (AREA)
Description
11 マルチメディアコンテンツ
12 レイヤ
14 レイヤ
16 レイヤ
26 中心軸
28 光学式読み取り装置
32 読み取りビーム及び反射ビーム
36 処理装置
42 データストリーム
60 暗号化部分を暗号化解除するシステム
64 メディアプレゼンテーション装置
68 出力フォーマッタ
74 暗号化解除されたデータストリーム
76 フォーマットされたデータストリーム
100 改良されたホログラフィックデータディスクを提供する方法
102 複数のマルチメディアコンテンツを提供する(これらのマルチメディアの少なくとも1つが、1つ又は複数の暗号鍵でロックされている)
104 許可されたユーザの要求に応じてマルチメディアをロック解除する暗号化解除システムを提供する
Claims (10)
- 第1及び第2のデータ記憶ディスクを提供する方法(100)であって、
前記第1及び第2のディスクの各々に複数のマルチメディアコンテンツを提供するステップ(102)であって、前記複数のマルチメディアの少なくとも1つが、前記第1及び第2のディスクに配置された1つ又は複数の暗号鍵でロックされている一方、前記複数のマルチメディアの他の少なくとも1つが、前記第1及び第2のディスクに配置された1つ又は複数の暗号鍵でロックされていない、前記ステップと、
前記第1のディスクに含まれる前記1つ又は複数の暗号鍵を破壊又は消去して、前記複数のマルチメディアの前記少なくとも1つを再生不能にする一方、前記複数のマルチメディアの前記他の少なくとも1つを再生可能に維持するステップと、
前記1つ又は複数の暗号鍵が破壊又は消去された前記第1のディスクの提供を受け、許可されたユーザの要求に応じて前記第1のディスクに含まれる前記複数のマルチメディアの前記少なくとも1つをロック解除する暗号化解除システムを提供するステップ(104)と、
を含む方法。 - 複数のマルチメディアコンテンツを提供する前記ステップは、異なる複数の解像度の前記マルチメディアコンテンツを提供することを含む、請求項1に記載の方法(100)。
- 複数のマルチメディアコンテンツを提供する前記ステップは、1つ又は複数の映画を提供することを含み、それぞれの映画を見るために、並びにそれぞれの映画に対応する予告編をロック解除するために、前記1つ又は複数の暗号鍵が必要である、請求項1に記載の方法(100)。
- 前記複数のマルチメディアコンテンツ(11)は、異なる複数のバージョンのビデオゲームを含む、請求項1に記載の方法(100)。
- 前記複数のマルチメディアコンテンツ(11)は、複数の特定リージョンで再生可能な異なる複数のバージョンの映画を含む、請求項1に記載の方法(100)。
- 前記暗号化解除システムを提供する前記ステップは、前記1つ又は複数の暗号鍵を、外部メディアに配置すること、通信チャネルを介してダウンロードすることのうちの少なくとも1つを含む、請求項1乃至5のいずれかに記載の方法(100)。
- 前記第1及び第2のディスクは複数のレイヤを含み、別々のレイヤ(12、14、16)に別々の暗号鍵が割り当てられる、請求項1乃至6のいずれかに記載の方法(100)。
- 前記第1及び/又は第2のディスクは、特定の日に解除可能になる暗号鍵を含む、請求項1乃至7のいずれかに記載の方法(100)。
- 前記第1及び/又は第2のディスクは、対応する暗号鍵の解除の時間スケジュールが異なる複数のマルチメディアを含む、請求項1乃至8のいずれかに記載の方法(100)。
- 前記第1及び第2のディスクは、熱可塑性材料をベースとするディスク材料を含むホログラフィックデータ記憶用ディスクである、請求項1乃至9のいずれかに記載の方法(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/566,770 US20110075537A1 (en) | 2009-09-25 | 2009-09-25 | Holographic disc with improved features and method for the same |
US12/566,770 | 2009-09-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011070760A JP2011070760A (ja) | 2011-04-07 |
JP5731782B2 true JP5731782B2 (ja) | 2015-06-10 |
Family
ID=43217232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010211478A Expired - Fee Related JP5731782B2 (ja) | 2009-09-25 | 2010-09-22 | データ記憶ディスクを提供する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110075537A1 (ja) |
EP (1) | EP2315206A3 (ja) |
JP (1) | JP5731782B2 (ja) |
KR (1) | KR20110033804A (ja) |
CN (1) | CN102034490B (ja) |
TW (1) | TW201124982A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140101032A1 (en) * | 2012-10-09 | 2014-04-10 | Red.Com, Inc. | Rights Management and Content Distribution Platform |
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-
2009
- 2009-09-25 US US12/566,770 patent/US20110075537A1/en not_active Abandoned
-
2010
- 2010-09-14 TW TW099131059A patent/TW201124982A/zh unknown
- 2010-09-21 EP EP10177918.9A patent/EP2315206A3/en not_active Withdrawn
- 2010-09-22 JP JP2010211478A patent/JP5731782B2/ja not_active Expired - Fee Related
- 2010-09-24 KR KR1020100092898A patent/KR20110033804A/ko not_active Application Discontinuation
- 2010-09-25 CN CN201010506940.XA patent/CN102034490B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW201124982A (en) | 2011-07-16 |
CN102034490A (zh) | 2011-04-27 |
EP2315206A3 (en) | 2015-01-14 |
EP2315206A2 (en) | 2011-04-27 |
US20110075537A1 (en) | 2011-03-31 |
JP2011070760A (ja) | 2011-04-07 |
CN102034490B (zh) | 2015-05-27 |
KR20110033804A (ko) | 2011-03-31 |
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