ATE341812T1 - Verfahren und vorrichtung zur bestimmung der herkunft einer datenträgerplatte - Google Patents

Verfahren und vorrichtung zur bestimmung der herkunft einer datenträgerplatte

Info

Publication number
ATE341812T1
ATE341812T1 AT98962604T AT98962604T ATE341812T1 AT E341812 T1 ATE341812 T1 AT E341812T1 AT 98962604 T AT98962604 T AT 98962604T AT 98962604 T AT98962604 T AT 98962604T AT E341812 T1 ATE341812 T1 AT E341812T1
Authority
AT
Austria
Prior art keywords
disc
relative angular
same
genuine
data
Prior art date
Application number
AT98962604T
Other languages
English (en)
Inventor
Richard A A Heylen
Original Assignee
Macrovision Europ Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GBGB9727461.7A external-priority patent/GB9727461D0/en
Priority claimed from GBGB9801235.4A external-priority patent/GB9801235D0/en
Application filed by Macrovision Europ Ltd filed Critical Macrovision Europ Ltd
Application granted granted Critical
Publication of ATE341812T1 publication Critical patent/ATE341812T1/de

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
    • G11B20/00094—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
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters 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
    • G11B20/14—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
    • 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
    • G11B27/30—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 the same track as the main recording
    • G11B27/3027—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 the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1267—Address data
    • G11B2020/1271—Address data the address data being stored in a subcode, e.g. in the Q channel of a CD
    • 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
    • G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Debugging And Monitoring (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
AT98962604T 1997-12-30 1998-12-22 Verfahren und vorrichtung zur bestimmung der herkunft einer datenträgerplatte ATE341812T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9727461.7A GB9727461D0 (en) 1997-12-30 1997-12-30 Authentication of optical discs
GBGB9801235.4A GB9801235D0 (en) 1998-01-20 1998-01-20 Apparatus for and method of detecting counterfeit cd's

Publications (1)

Publication Number Publication Date
ATE341812T1 true ATE341812T1 (de) 2006-10-15

Family

ID=26312867

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98962604T ATE341812T1 (de) 1997-12-30 1998-12-22 Verfahren und vorrichtung zur bestimmung der herkunft einer datenträgerplatte

Country Status (12)

Country Link
US (1) US6560176B1 (de)
EP (1) EP1044449B1 (de)
JP (1) JP2002501272A (de)
KR (1) KR100707541B1 (de)
CN (1) CN1209749C (de)
AT (1) ATE341812T1 (de)
AU (1) AU751134B2 (de)
CA (1) CA2316959C (de)
DE (1) DE69836100T2 (de)
GB (1) GB2347781B (de)
NZ (1) NZ505221A (de)
WO (1) WO1999035641A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9821808D0 (en) 1998-10-06 1998-12-02 Dilla Limited C Method and apparatus for determining the provenance of a data carrying disc
US7017044B1 (en) * 2000-08-02 2006-03-21 Maxtor Corporation Extremely secure method for keying stored contents to a specific storage device
US7039188B2 (en) * 2001-08-31 2006-05-02 Oleg Saliahov Optical disc authentication method and apparatus
CA2318310A1 (en) * 2000-09-01 2002-03-01 Oleg Saliahov Cd-disk identification through a pattern analysis
WO2003015088A1 (en) * 2001-08-10 2003-02-20 Durand Technology Limited Method of authenticating cds
JP2003059172A (ja) * 2001-08-22 2003-02-28 Yamaha Corp ディジタルオーディオ録音再生装置
AU2002249581A1 (en) * 2002-04-12 2003-10-27 Yukihisa Inoue Optical disk and program
EP1514188A4 (de) * 2002-05-14 2016-01-13 Doug Carson & Associates Inc Authentifikation eines datenspeichermediums unter verwendung vorbestimmter beziehungen zwischen sektoren
EP1817774A1 (de) * 2003-12-03 2007-08-15 Koninklijke Philips Electronics N.V. Seitenkanal für aufzeichnungsträger mit spiralspuren
US20050172071A1 (en) * 2004-02-03 2005-08-04 Edmonds Robert A. Method and apparatus for identifying a digital recording source
GB2426846A (en) * 2004-03-04 2006-12-06 Mathsoft Engineering & Educati A method for automatically enabling traceability of engineering calculations
CN101010743A (zh) * 2004-08-27 2007-08-01 皇家飞利浦电子股份有限公司 记录载体，记录方法，以及用于控制版权的播放装置
JP2006155785A (ja) * 2004-11-30 2006-06-15 Toshiba Corp 情報記憶媒体、スタンパー、ディスク装置、管理情報再生方法
DE102005008889B4 (de) * 2005-02-26 2016-07-07 Leybold Optics Gmbh Optisches Monitoringsystem für Beschichtungsprozesse
US7463565B2 (en) * 2005-08-30 2008-12-09 Dt Soft Ltd. Method of storing rotating media data in image file
JP4574587B2 (ja) 2006-03-15 2010-11-04 太陽誘電株式会社 光記録媒体の識別方法及びその装置
US20070239802A1 (en) * 2006-04-07 2007-10-11 Razdow Allen M System and method for maintaining the genealogy of documents
EP1850260A1 (de) * 2006-04-26 2007-10-31 Macrovision Corporation Verfahren und System zum Binden von einem ausführbaren Code zur Verwaltung von Digitalen Rechten an eine Softwareanwendung
US8458673B2 (en) * 2006-04-26 2013-06-04 Flexera Software Llc Computer-implemented method and system for binding digital rights management executable code to a software application
US8369562B2 (en) 2007-03-30 2013-02-05 Hitachi Global Storage Technologies Netherlands B.V. Encryption methods for patterned media watermarking
US7852717B2 (en) * 2007-08-17 2010-12-14 Hitachi Global Storage Technologies Netherlands B.V. System, method, and apparatus for characterizing, tracking, and segregating known defective disk regions on patterned disks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365586A (en) * 1993-04-09 1994-11-15 Washington University Method and apparatus for fingerprinting magnetic media
EP0643391B1 (de) * 1993-09-07 2000-02-02 Hitachi, Ltd. Informationsaufzeichnungsträger, optische Platten und Wiedergabesystem
KR100381116B1 (ko) * 1994-04-18 2003-07-22 마쯔시다덴기산교 가부시키가이샤 광기록매체정보의불법복사또는불법설치방지방법및장치
CA2165532C (en) * 1995-01-23 2005-10-04 Michael L. Mitchell System for encoding a glass master to enable detection of a counterfeit optical cd-rom
JP3284296B2 (ja) * 1995-06-27 2002-05-20 富士通株式会社 光記録媒体及びその記録再生方法

Also Published As

Publication number Publication date
KR20010024831A (ko) 2001-03-26
AU1773499A (en) 1999-07-26
CA2316959C (en) 2011-05-24
GB0015705D0 (en) 2000-08-16
CN1284196A (zh) 2001-02-14
AU751134B2 (en) 2002-08-08
GB2347781B (en) 2002-05-08
JP2002501272A (ja) 2002-01-15
EP1044449B1 (de) 2006-10-04
DE69836100D1 (de) 2006-11-16
EP1044449A1 (de) 2000-10-18
NZ505221A (en) 2003-02-28
WO1999035641A1 (en) 1999-07-15
CN1209749C (zh) 2005-07-06
DE69836100T2 (de) 2007-02-15
KR100707541B1 (ko) 2007-04-13
GB2347781A (en) 2000-09-13
CA2316959A1 (en) 1999-07-15
US6560176B1 (en) 2003-05-06

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Legal Events

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