IL128369A0 - Digital optical media authentication and copy protection method - Google Patents
Digital optical media authentication and copy protection methodInfo
- Publication number
- IL128369A0 IL128369A0 IL12836997A IL12836997A IL128369A0 IL 128369 A0 IL128369 A0 IL 128369A0 IL 12836997 A IL12836997 A IL 12836997A IL 12836997 A IL12836997 A IL 12836997A IL 128369 A0 IL128369 A0 IL 128369A0
- Authority
- IL
- Israel
- Prior art keywords
- optical media
- protection method
- copy protection
- digital optical
- media authentication
- Prior art date
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
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00579—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 data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
- G06K7/1465—Methods for optical code recognition the method including quality enhancement steps using several successive scans of the optical code
-
- 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
- G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
- G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of 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
- G11B20/0021—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
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—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 physical format of the recording medium
-
- 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
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Probability & Statistics with Applications (AREA)
- Quality & Reliability (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68920996A | 1996-08-05 | 1996-08-05 | |
US3808097P | 1997-03-06 | 1997-03-06 | |
PCT/IL1997/000266 WO1998008180A2 (en) | 1996-08-05 | 1997-08-05 | Digital optical media authentication and copy protection method |
Publications (1)
Publication Number | Publication Date |
---|---|
IL128369A0 true IL128369A0 (en) | 2000-01-31 |
Family
ID=26714832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12836997A IL128369A0 (en) | 1996-08-05 | 1997-08-05 | Digital optical media authentication and copy protection method |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1076902A4 (en) |
AU (1) | AU3706197A (en) |
IL (1) | IL128369A0 (en) |
WO (1) | WO1998008180A2 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100257538B1 (en) * | 1997-07-14 | 2000-06-01 | 구자홍 | Method for record and protect copy of optical disc |
IL122393A0 (en) * | 1997-12-01 | 1998-06-15 | Ttr Technologies Ltd | A code word for use in digital optical media and a method of generation thereof |
JP4147607B2 (en) * | 1998-03-13 | 2008-09-10 | 松下電器産業株式会社 | Auxiliary scrambling / descrambling method and apparatus |
US6684199B1 (en) * | 1998-05-20 | 2004-01-27 | Recording Industry Association Of America | Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same |
US6029259A (en) * | 1998-06-15 | 2000-02-22 | T.T.R. Technologies Ltd. | Method and system for authenticating digital optical media |
US6988206B1 (en) * | 1998-10-20 | 2006-01-17 | Macrovision Europe Limited | Prevention of CD-audio piracy using sub-code channels |
US6425098B1 (en) | 1998-10-20 | 2002-07-23 | Midbar Tech (1998) Ltd. | Prevention of disk piracy |
AU4238400A (en) * | 1999-04-12 | 2000-11-14 | Macrovision Corporation | Copy protection signature for compact disks |
WO2001080546A2 (en) * | 1999-08-09 | 2001-10-25 | Midbar Tech Ltd. | Prevention of cd-audio piracy using sub-code channels |
IL131545A0 (en) * | 1999-08-23 | 2001-01-28 | Ttr Technologies Ltd | Copy-protected digital audio compact disc and method and system for producing same |
US6987718B2 (en) | 2000-04-07 | 2006-01-17 | Sony Dadc Austria Ag | Optical disc copy prevention system |
IL152251A0 (en) * | 2000-04-14 | 2003-05-29 | Midbar Tech 1998 Ltd | Prevention of cd-audio piracy using sub-code channels |
US6638593B2 (en) * | 2000-06-30 | 2003-10-28 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
US20050050343A1 (en) * | 2000-06-30 | 2005-03-03 | Selinfreund Richard H. | Storage media access control method and system |
US7486790B1 (en) * | 2000-06-30 | 2009-02-03 | Verification Technologies, Inc. | Method and apparatus for controlling access to storage media |
CN1244107C (en) * | 2000-07-11 | 2006-03-01 | 松下电器产业株式会社 | Information recording medium, information recording apparatus, information recording method, information reproduction apparatus and information reproduction method |
CN1284169C (en) | 2000-11-14 | 2006-11-08 | 皇家菲利浦电子有限公司 | Record carrier with watermark |
AU2002221006B2 (en) * | 2000-11-27 | 2007-10-18 | Rovi Europe Limited | A copy protected DVD disc and method for producing and validating same |
JP2004517428A (en) | 2000-12-22 | 2004-06-10 | 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 | Reproducing apparatus, transmitting apparatus, method of forming and transmitting encoded information, and method of reproducing encoded information |
US6767695B2 (en) * | 2001-01-17 | 2004-07-27 | International Business Machines Corporation | CDROM copy protection |
RU2300149C2 (en) * | 2001-10-31 | 2007-05-27 | Сони Корпорейшн | Method for recording/reproducing data |
US6952479B2 (en) | 2001-11-27 | 2005-10-04 | Macrovision Europe Limited | Dynamic copy protection of optical media |
US7368221B2 (en) | 2002-06-17 | 2008-05-06 | Verification Technologies, Inc. | Changing light absorption by disruption of conjugation |
US20040083377A1 (en) * | 2002-10-25 | 2004-04-29 | General Electric Company | System and method for digital storage media copy protection |
AU2004211200A1 (en) * | 2003-02-05 | 2004-08-26 | Ecd Systems, Inc. | Systems and methods for media authentication |
CA2427023A1 (en) * | 2003-04-29 | 2004-10-29 | Iline Entertainment Inc. | Method and apparatus for the protection of fixed media |
US7391691B2 (en) | 2003-08-29 | 2008-06-24 | General Electric Company | Method for facilitating copyright protection in digital media and digital media made thereby |
US20050147379A1 (en) | 2003-12-24 | 2005-07-07 | Home Box Office, A Delaware Corporation | Personalization of mass-duplicated media |
KR20070006700A (en) * | 2004-01-23 | 2007-01-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Visual watermark in both data area and inner-ring area of record carrier |
US9135948B2 (en) | 2009-07-03 | 2015-09-15 | Microsoft Technology Licensing, Llc | Optical medium with added descriptor to reduce counterfeiting |
KR20120050449A (en) * | 2009-07-17 | 2012-05-18 | 세큐어 콘텐트 스토리지 어소시에이션, 엘엘씨 | Simple nonautonomous peering media clone detection |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823210A (en) * | 1984-08-13 | 1989-04-18 | Verbatim Corporation | Copy protected disk |
DE3587535T2 (en) * | 1984-10-01 | 1994-01-20 | Matsushita Electric Ind Co Ltd | Method and device for numerical data coding. |
US5231662A (en) * | 1989-08-01 | 1993-07-27 | Tulip Computers International B.V. | Method and device for enciphering data to be transferred and for deciphering the enciphered data, and a computer system comprising such a device |
JP2776209B2 (en) * | 1993-07-22 | 1998-07-16 | 日本ビクター株式会社 | Optical disc and information recording / reproducing device |
TW241360B (en) * | 1993-07-29 | 1995-02-21 | Nippon Pickter Kk | |
US5400319A (en) * | 1993-10-06 | 1995-03-21 | Digital Audio Disc Corporation | CD-ROM with machine-readable I.D. code |
US5454039A (en) * | 1993-12-06 | 1995-09-26 | International Business Machines Corporation | Software-efficient pseudorandom function and the use thereof for encryption |
TW309612B (en) * | 1994-09-22 | 1997-07-01 | Nippon Bickter Kk | |
US5822291A (en) * | 1995-03-23 | 1998-10-13 | Zoom Television, Inc. | Mass storage element and drive unit therefor |
US5699434A (en) * | 1995-12-12 | 1997-12-16 | Hewlett-Packard Company | Method of inhibiting copying of digital data |
-
1997
- 1997-08-05 EP EP97933829A patent/EP1076902A4/en not_active Withdrawn
- 1997-08-05 IL IL12836997A patent/IL128369A0/en unknown
- 1997-08-05 AU AU37061/97A patent/AU3706197A/en not_active Abandoned
- 1997-08-05 WO PCT/IL1997/000266 patent/WO1998008180A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU3706197A (en) | 1998-03-06 |
WO1998008180A2 (en) | 1998-02-26 |
EP1076902A2 (en) | 2001-02-21 |
EP1076902A4 (en) | 2001-05-23 |
WO1998008180A3 (en) | 1998-08-20 |
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