MXPA03008538A - Aparato y metodo para el ocultamiento de contenido digital. - Google Patents
Aparato y metodo para el ocultamiento de contenido digital.Info
- Publication number
- MXPA03008538A MXPA03008538A MXPA03008538A MXPA03008538A MXPA03008538A MX PA03008538 A MXPA03008538 A MX PA03008538A MX PA03008538 A MXPA03008538 A MX PA03008538A MX PA03008538 A MXPA03008538 A MX PA03008538A MX PA03008538 A MXPA03008538 A MX PA03008538A
- Authority
- MX
- Mexico
- Prior art keywords
- digital content
- content concealment
- concealment
- digital
- content
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
- G11B19/122—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
-
- 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
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
- G11B20/00202—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier wherein the copy protection scheme builds on multi-session recording, e.g. defective table of contents [TOC] in the 2nd session
-
- 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
- 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
- G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00224—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a remote server
-
- 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
- G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00282—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored in the content area, e.g. program area, data area or user area
-
- 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
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00615—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
- G11B20/0063—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames wherein the modification to the logical format mainly concerns management data, e.g., by changing the format of the TOC or the subcode
-
- 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
- G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file stored on the record carrier
-
- 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
- G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
- G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
- G11B20/00956—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches said intentional errors occurring due to an invalid TOC
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
-
- 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
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
- G11B23/283—Security features, e.g. digital codes
- G11B23/284—Security features, e.g. digital codes on the record carrier
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27709901P | 2001-03-19 | 2001-03-19 | |
PCT/US2002/007558 WO2002075735A1 (en) | 2001-03-19 | 2002-03-13 | Apparatus and method for digital content concealment |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA03008538A true MXPA03008538A (es) | 2003-12-08 |
Family
ID=23059401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MXPA03008538A MXPA03008538A (es) | 2001-03-19 | 2002-03-13 | Aparato y metodo para el ocultamiento de contenido digital. |
Country Status (9)
Country | Link |
---|---|
US (1) | US20080212441A1 (es) |
EP (1) | EP1374236A1 (es) |
JP (1) | JP2004532492A (es) |
KR (1) | KR20040062442A (es) |
BR (1) | BR0208287A (es) |
CA (1) | CA2441817A1 (es) |
IL (1) | IL157976A0 (es) |
MX (1) | MXPA03008538A (es) |
WO (1) | WO2002075735A1 (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1393305A4 (en) * | 2001-05-21 | 2005-11-23 | Sunncomm Inc | APPARATUS AND METHOD FOR DISSIMULATING THE DIGITAL CONTENT OF A RECORDING MEDIUM RECORDED USING A RECORDING DEVICE |
TWI251822B (en) * | 2001-12-06 | 2006-03-21 | Macrovision Eurpoe Ltd | A copy-protected compact disc and method for producing same |
US6993509B2 (en) * | 2002-02-15 | 2006-01-31 | Warner Music Group, Inc. | Method and apparatus for distributing multimedia programs |
GB2415826B (en) * | 2002-03-08 | 2006-06-07 | First 4 Internet Ltd | Data protection system |
US7530116B2 (en) | 2002-06-06 | 2009-05-05 | Macrovision Corporation | Controlling the downloading and recording of digital data |
US7161885B2 (en) | 2002-12-06 | 2007-01-09 | Macrovision Corporation | Copy-protected compact disc and method for producing same |
JP5015587B2 (ja) * | 2003-05-09 | 2012-08-29 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光ディスクにリードアウトを記録する装置及び方法 |
GB2402802B (en) * | 2003-06-09 | 2007-05-30 | First 4 Internet Ltd | Copy protection system for data carriers |
GB2433157B (en) * | 2003-06-09 | 2007-11-21 | First 4 Internet Ltd | Copy protection system for data carriers |
US7685646B1 (en) * | 2003-09-10 | 2010-03-23 | Realnetworks, Inc. | System and method for distributing protected audio content on optical media |
GB2407911A (en) * | 2003-11-07 | 2005-05-11 | Macrovision Europ Ltd | Copy protection of optical discs |
US7950061B2 (en) * | 2004-10-22 | 2011-05-24 | Om Ahuja | Copy-protected audio, video and or data optical disk |
JP4597651B2 (ja) * | 2004-12-07 | 2010-12-15 | ヴィジョネア株式会社 | メディア内のデータのリッピングを制御するための情報処理ユニット、方法及びプログラム |
US10565388B2 (en) * | 2009-06-26 | 2020-02-18 | Disney Enterprises, Inc. | Method and system for providing digital media rental |
US8571994B2 (en) | 2009-06-26 | 2013-10-29 | Disney Enterprises, Inc. | Method and system for allocating access to digital media content |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR247311A1 (es) * | 1989-09-21 | 1994-11-30 | Philips Nv | Portador de grabacion, metodo y dispositivo grabador de informacion para obtener dichos portadores y dispositivo que comprende medios de anticopiado para inhibir el copiado no autorizado |
JP4435872B2 (ja) * | 1996-07-24 | 2010-03-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光ディスクに関する改良及びディスク記録装置 |
US6047376A (en) * | 1996-10-18 | 2000-04-04 | Toshiba Information Systems (Japan) Corporation | Client-server system, server access authentication method, memory medium stores server-access authentication programs, and issuance device which issues the memory medium contents |
US6104679A (en) * | 1998-10-01 | 2000-08-15 | T.T.R. Technologies Ltd. | Method for determining an unauthorized copy of an optical disc |
US6988206B1 (en) * | 1998-10-20 | 2006-01-17 | Macrovision Europe Limited | Prevention of CD-audio piracy using sub-code channels |
US6952479B2 (en) * | 2001-11-27 | 2005-10-04 | Macrovision Europe Limited | Dynamic copy protection of optical media |
US6993509B2 (en) * | 2002-02-15 | 2006-01-31 | Warner Music Group, Inc. | Method and apparatus for distributing multimedia programs |
-
2002
- 2002-03-13 JP JP2002574663A patent/JP2004532492A/ja active Pending
- 2002-03-13 BR BR0208287-0A patent/BR0208287A/pt not_active Application Discontinuation
- 2002-03-13 EP EP02713844A patent/EP1374236A1/en not_active Withdrawn
- 2002-03-13 CA CA002441817A patent/CA2441817A1/en not_active Abandoned
- 2002-03-13 IL IL15797602A patent/IL157976A0/xx unknown
- 2002-03-13 MX MXPA03008538A patent/MXPA03008538A/es unknown
- 2002-03-13 US US10/472,293 patent/US20080212441A1/en not_active Abandoned
- 2002-03-13 KR KR10-2003-7012251A patent/KR20040062442A/ko not_active Application Discontinuation
- 2002-03-13 WO PCT/US2002/007558 patent/WO2002075735A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP1374236A1 (en) | 2004-01-02 |
KR20040062442A (ko) | 2004-07-07 |
IL157976A0 (en) | 2004-03-28 |
WO2002075735A1 (en) | 2002-09-26 |
JP2004532492A (ja) | 2004-10-21 |
US20080212441A1 (en) | 2008-09-04 |
BR0208287A (pt) | 2004-09-08 |
CA2441817A1 (en) | 2002-09-26 |
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