DE602004011098D1 - Authentifizierbarer optischer datenträger, system zum authentifizieren eines optischen datenträgers und verfahren dafür - Google Patents

Authentifizierbarer optischer datenträger, system zum authentifizieren eines optischen datenträgers und verfahren dafür

Info

Publication number
DE602004011098D1
DE602004011098D1 DE602004011098T DE602004011098T DE602004011098D1 DE 602004011098 D1 DE602004011098 D1 DE 602004011098D1 DE 602004011098 T DE602004011098 T DE 602004011098T DE 602004011098 T DE602004011098 T DE 602004011098T DE 602004011098 D1 DE602004011098 D1 DE 602004011098D1
Authority
DE
Germany
Prior art keywords
optical disc
optical data
authenticating
authenticable
feature
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.)
Active
Application number
DE602004011098T
Other languages
English (en)
Other versions
DE602004011098T2 (de
Inventor
Marc Brian Wisnudel
Radislav Alexandrovi Potyrailo
William Guy Morris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE602004011098D1 publication Critical patent/DE602004011098D1/de
Application granted granted Critical
Publication of DE602004011098T2 publication Critical patent/DE602004011098T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • G11B20/00173—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software wherein the origin of the content is checked, e.g. determining whether the content has originally been retrieved from a legal disc copy or another trusted source

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Holo Graphy (AREA)
  • Credit Cards Or The Like (AREA)
DE602004011098T 2003-11-24 2004-10-22 Authentifizierbarer optischer datenträger, system zum authentifizieren eines optischen datenträgers und verfahren dafür Active DE602004011098T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US723682 2000-11-28
US10/723,682 US7218589B2 (en) 2003-11-24 2003-11-24 Authenticable optical disc, system for authenticating an optical disc and method thereof
PCT/US2004/035029 WO2005057567A2 (en) 2003-11-24 2004-10-22 Authenticable optical disc, system for authenticating an optical disc and method thereof

Publications (2)

Publication Number Publication Date
DE602004011098D1 true DE602004011098D1 (de) 2008-02-14
DE602004011098T2 DE602004011098T2 (de) 2008-12-24

Family

ID=34592340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004011098T Active DE602004011098T2 (de) 2003-11-24 2004-10-22 Authentifizierbarer optischer datenträger, system zum authentifizieren eines optischen datenträgers und verfahren dafür

Country Status (8)

Country Link
US (1) US7218589B2 (de)
EP (1) EP1690155B1 (de)
JP (1) JP2007514258A (de)
CN (1) CN100478826C (de)
AT (1) ATE382888T1 (de)
DE (1) DE602004011098T2 (de)
TW (1) TW200522011A (de)
WO (1) WO2005057567A2 (de)

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Also Published As

Publication number Publication date
DE602004011098T2 (de) 2008-12-24
WO2005057567A2 (en) 2005-06-23
US7218589B2 (en) 2007-05-15
CN100478826C (zh) 2009-04-15
EP1690155B1 (de) 2008-01-02
WO2005057567A3 (en) 2005-08-11
EP1690155A2 (de) 2006-08-16
US20050111342A1 (en) 2005-05-26
CN1886710A (zh) 2006-12-27
ATE382888T1 (de) 2008-01-15
TW200522011A (en) 2005-07-01
JP2007514258A (ja) 2007-05-31

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