GB0111943D0 - Copy management for data systems - Google Patents
Copy management for data systemsInfo
- Publication number
- GB0111943D0 GB0111943D0 GBGB0111943.7A GB0111943A GB0111943D0 GB 0111943 D0 GB0111943 D0 GB 0111943D0 GB 0111943 A GB0111943 A GB 0111943A GB 0111943 D0 GB0111943 D0 GB 0111943D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- data systems
- copy management
- copy
- management
- systems
- 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.)
- Granted
Links
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
- G11B20/00485—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
- G11B20/00521—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein each session of a multisession recording medium is encrypted with a separate encryption key
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9825337.0A GB9825337D0 (en) | 1998-11-20 | 1998-11-20 | Copy management for data suystems |
PCT/GB1999/003877 WO2000031744A1 (en) | 1998-11-19 | 1999-11-19 | Copy management for data systems |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0111943D0 true GB0111943D0 (en) | 2001-07-04 |
GB2359165A GB2359165A (en) | 2001-08-15 |
GB2359165B GB2359165B (en) | 2003-04-23 |
Family
ID=10842694
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9825337.0A Ceased GB9825337D0 (en) | 1998-11-19 | 1998-11-20 | Copy management for data suystems |
GB0111943A Expired - Fee Related GB2359165B (en) | 1998-11-20 | 1999-11-19 | Copy management for data systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9825337.0A Ceased GB9825337D0 (en) | 1998-11-19 | 1998-11-20 | Copy management for data suystems |
Country Status (3)
Country | Link |
---|---|
GB (2) | GB9825337D0 (en) |
TW (1) | TW451216B (en) |
WO (1) | WO2000031744A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6640500A (en) | 1999-08-13 | 2001-03-19 | Microsoft Corporation | Methods and systems of protecting digital content |
US6886098B1 (en) | 1999-08-13 | 2005-04-26 | Microsoft Corporation | Systems and methods for compression of key sets having multiple keys |
US7065216B1 (en) | 1999-08-13 | 2006-06-20 | Microsoft Corporation | Methods and systems of protecting digital content |
JP4660899B2 (en) * | 2000-07-24 | 2011-03-30 | ソニー株式会社 | Data processing apparatus, data processing method, and program providing medium |
JP2002108710A (en) * | 2000-07-24 | 2002-04-12 | Sony Corp | System and method for processing information, information processor and program providing medium |
WO2004097635A2 (en) | 2003-04-25 | 2004-11-11 | Apple Computer, Inc. | Graphical user interface for browsing, searching and presenting media items |
WO2004097609A1 (en) | 2003-04-25 | 2004-11-11 | Apple Computer, Inc. | Methods and system for secure network-based distribution of content |
US9406068B2 (en) | 2003-04-25 | 2016-08-02 | Apple Inc. | Method and system for submitting media for network-based purchase and distribution |
JP4081048B2 (en) * | 2004-06-18 | 2008-04-23 | 株式会社東芝 | Content protection method, apparatus and program |
US7536016B2 (en) | 2004-12-17 | 2009-05-19 | Microsoft Corporation | Encrypted content data structure package and generation thereof |
US8296583B2 (en) * | 2006-02-24 | 2012-10-23 | Drakez Tokaj Rt. L.L.C. | Physical digital media delivery |
KR100710271B1 (en) | 2006-05-10 | 2007-04-20 | 엘지전자 주식회사 | Method and apparatus for playing data between external device and tv set |
EP2180419A1 (en) * | 2008-10-23 | 2010-04-28 | ST Wireless SA | Method of storing data in a memory device and a processing device for processing such data |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3073590B2 (en) * | 1992-03-16 | 2000-08-07 | 富士通株式会社 | Electronic data protection system, licensor's device and user's device |
DE4305960C1 (en) * | 1993-02-26 | 1994-03-24 | Grundig Emv | Digital dictation system with protection device against unauthorised listening - contains memory cards with stored codes accessible only by internal comparators controlling access to stored information |
-
1998
- 1998-11-20 GB GBGB9825337.0A patent/GB9825337D0/en not_active Ceased
-
1999
- 1999-11-19 WO PCT/GB1999/003877 patent/WO2000031744A1/en active Application Filing
- 1999-11-19 GB GB0111943A patent/GB2359165B/en not_active Expired - Fee Related
- 1999-11-22 TW TW88120479A patent/TW451216B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2359165B (en) | 2003-04-23 |
GB2359165A (en) | 2001-08-15 |
GB9825337D0 (en) | 1999-01-13 |
TW451216B (en) | 2001-08-21 |
WO2000031744A1 (en) | 2000-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20031119 |