ATE382888T1 - 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
ATE382888T1
ATE382888T1 AT04796086T AT04796086T ATE382888T1 AT E382888 T1 ATE382888 T1 AT E382888T1 AT 04796086 T AT04796086 T AT 04796086T AT 04796086 T AT04796086 T AT 04796086T AT E382888 T1 ATE382888 T1 AT E382888T1
Authority
AT
Austria
Prior art keywords
optical disc
optical media
authenticating
feature
predetermined signature
Prior art date
Application number
AT04796086T
Other languages
English (en)
Inventor
Marc Wisnudel
Radislav Potyrailo
William Morris
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of ATE382888T1 publication Critical patent/ATE382888T1/de

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)
AT04796086T 2003-11-24 2004-10-22 Authentifizierbarer optischer datenträger, system zum authentifizieren eines optischen datenträgers und verfahren dafür ATE382888T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/723,682 US7218589B2 (en) 2003-11-24 2003-11-24 Authenticable optical disc, system for authenticating an optical disc and method thereof

Publications (1)

Publication Number Publication Date
ATE382888T1 true ATE382888T1 (de) 2008-01-15

Family

ID=34592340

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04796086T ATE382888T1 (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
TW200522011A (en) 2005-07-01
CN100478826C (zh) 2009-04-15
EP1690155B1 (de) 2008-01-02
US20050111342A1 (en) 2005-05-26
CN1886710A (zh) 2006-12-27
DE602004011098D1 (de) 2008-02-14
EP1690155A2 (de) 2006-08-16
US7218589B2 (en) 2007-05-15
JP2007514258A (ja) 2007-05-31
WO2005057567A2 (en) 2005-06-23
WO2005057567A3 (en) 2005-08-11

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