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ATA3896A - System zum kodieren einer glas-vaterplatte, um eine gefälschte cd-rom zu erkennen - Google Patents

System zum kodieren einer glas-vaterplatte, um eine gefälschte cd-rom zu erkennen

Info

Publication number
ATA3896A
ATA3896A AT0003896A AT3896A ATA3896A AT A3896 A ATA3896 A AT A3896A AT 0003896 A AT0003896 A AT 0003896A AT 3896 A AT3896 A AT 3896A AT A3896 A ATA3896 A AT A3896A
Authority
AT
Austria
Prior art keywords
fake
coding
rom
detect
glass
Prior art date
Application number
AT0003896A
Other languages
English (en)
Other versions
AT404644B (de
Original Assignee
Digital Audio Disc Corp
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 Digital Audio Disc Corp filed Critical Digital Audio Disc Corp
Priority to AT217796A priority Critical patent/AT405699B/de
Publication of ATA3896A publication Critical patent/ATA3896A/de
Application granted granted Critical
Publication of AT404644B publication Critical patent/AT404644B/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • 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
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • 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
    • G11B7/0045—Recording
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT0003896A 1995-01-23 1996-01-10 System zum kodieren einer glas-vaterplatte, um eine gefälschte cd-rom zu erkennen AT404644B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT217796A AT405699B (de) 1995-01-23 1996-12-13 Optische cd-rom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37627795A 1995-01-23 1995-01-23

Publications (2)

Publication Number Publication Date
ATA3896A true ATA3896A (de) 1998-05-15
AT404644B AT404644B (de) 1999-01-25

Family

ID=23484354

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0003896A AT404644B (de) 1995-01-23 1996-01-10 System zum kodieren einer glas-vaterplatte, um eine gefälschte cd-rom zu erkennen

Country Status (7)

Country Link
US (1) US5703858A (de)
JP (1) JP4082468B2 (de)
KR (1) KR960030131A (de)
CN (1) CN1095160C (de)
AT (1) AT404644B (de)
CA (1) CA2165532C (de)
TW (1) TW444195B (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3839879B2 (ja) * 1996-08-28 2006-11-01 パイオニア株式会社 光ディスクとその再生装置および光ディスク記録装置
CA2261899C (en) 1997-05-30 2007-11-13 C-Dilla Limited Method for copy protecting a record carrier, copy protected record carrier and means for detecting access control information
US6646967B1 (en) * 1997-08-12 2003-11-11 Denon Digital Llc Method for making copy protected optical discs
EP1044449B1 (de) * 1997-12-30 2006-10-04 Macrovision Europe Limited Verfahren und vorrichtung zur bestimmung der herkunft einer datenträgerplatte
US6188659B1 (en) * 1998-01-20 2001-02-13 Eastman Kodak Company Method for insuring uniqueness of an original CD
EP1211681B1 (de) * 1998-01-20 2007-02-14 Fujitsu Limited Datenspeicheranordnung und Steuerverfahren dafür
US6029259A (en) * 1998-06-15 2000-02-22 T.T.R. Technologies Ltd. Method and system for authenticating digital optical media
GB9821808D0 (en) * 1998-10-06 1998-12-02 Dilla Limited C Method and apparatus for determining the provenance of a data carrying disc
FR2787232B1 (fr) * 1998-12-15 2001-02-23 Thomson Csf Disque d'enregistrement optique anti-piratage et procede de lecture d'un tel disque
ES2151452B1 (es) * 1999-04-20 2001-07-16 Sonopress Ibermemory S A Procedimiento de grabacion y lectura de cd-rom para evitar su copia.
US6430123B1 (en) * 1999-11-10 2002-08-06 Maxtor Corporation Scanning micropatterns on an optical medium
PL363776A1 (en) * 2000-07-28 2004-11-29 Macrovision Europe Limited Copy protection for optical discs
US7039188B2 (en) 2001-08-31 2006-05-02 Oleg Saliahov Optical disc authentication method and apparatus
EP2009634A1 (de) 2000-12-14 2008-12-31 ECD Systems, Inc. Systeme und Verfahren zur Modifikation optischer Medien
US6767695B2 (en) * 2001-01-17 2004-07-27 International Business Machines Corporation CDROM copy protection
FR2820843B1 (fr) * 2001-02-09 2003-05-30 Thomson Csf Systeme de protection contre la copie d'informations pour la creation d'un disque optique protege et procede de protection correspondant
KR100475604B1 (ko) 2001-03-09 2005-03-10 엘지전자 주식회사 재생전용 광디스크와, 그 재생전용 광디스크 장치에서의재생방법
KR100382957B1 (ko) * 2001-03-22 2003-05-09 주식회사 시큐어미디어 오디오 시디 제작을 위한 멀티/디멀티플렉싱장치
GB0304015D0 (en) * 2003-02-21 2003-03-26 Macrovision Europ Ltd Copy protection for applications
US7716485B2 (en) 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication
US7016294B2 (en) * 2002-03-25 2006-03-21 Dphi Acquisitions, Inc. Inner region identifier for optical disk
CA2458609C (en) 2002-06-05 2013-07-23 Lg Electronics Inc. Structure of a linking area formed on a high-density read-only recording medium and manufacturing/reproducing method and apparatus thereof
KR100915875B1 (ko) * 2002-06-05 2009-09-07 엘지전자 주식회사 고밀도 재생 전용 광디스크와, 그 광디스크의 암호화 기록및 재생방법
JP4805573B2 (ja) * 2002-06-05 2011-11-02 エルジー エレクトロニクス インコーポレイティド 高密度光ディスクと、その光ディスクへの暗号化記録方法及び光ディスクからの再生方法
EP1429327A3 (de) * 2002-12-13 2005-03-09 Sony DADC Austria AG Datenaufzeichnungsverfahren und -medium
GB0301700D0 (en) 2003-01-24 2003-02-26 Macrovision Corp The copy protection of optical discs
GB0304016D0 (en) * 2003-02-21 2003-03-26 Macrovision Europ Ltd The transmission of information
IES20030443A2 (en) * 2003-06-16 2004-12-01 Fraudhalt Ltd A method and apparatus for determining if an optical disk originated from a valid source
GB2414337B (en) 2004-05-19 2008-10-29 Macrovision Europ Ltd The copy protection of optical discs
US20060023598A1 (en) * 2004-07-30 2006-02-02 Babinski James P Method and apparatus for protecting against copying of content recorded on optical recording media
EP1831876A4 (de) * 2004-12-20 2008-12-24 Doug Carson & Associates Inc Radialabstandsbestimmung für ein datenspeichermedium
US7701825B2 (en) * 2005-06-17 2010-04-20 Macrovision Corporation Apparatus for and a method of authenticating recording media
JP4321553B2 (ja) 2006-06-14 2009-08-26 ソニー株式会社 光記録装置および光記録媒体の記録方法
CN102592621A (zh) * 2012-02-21 2012-07-18 扬州广德信息有限公司 一种制作加密光盘的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4488183A (en) * 1980-10-27 1984-12-11 Victor Company Of Japan, Limited Copy-proof recording medium and device for adding copy-proof interference signal
NL9000328A (nl) * 1989-06-23 1991-01-16 Philips Nv Werkwijze en inrichting voor het aanbrengen van informatiepatronen op een registratiedrager.
JP2942837B2 (ja) * 1992-01-31 1999-08-30 株式会社セガ・エンタープライゼス セキュリティチェック方法及びゲーム装置並びにそれらに用いられる情報記憶媒体
JP3084969B2 (ja) * 1992-10-16 2000-09-04 松下電器産業株式会社 再生装置と記録装置とケース入り記録媒体と記録媒体の初期化装置
US5400319A (en) * 1993-10-06 1995-03-21 Digital Audio Disc Corporation CD-ROM with machine-readable I.D. code

Also Published As

Publication number Publication date
CN1140875A (zh) 1997-01-22
JP4082468B2 (ja) 2008-04-30
CA2165532C (en) 2005-10-04
KR960030131A (ko) 1996-08-17
CA2165532A1 (en) 1996-07-24
JPH08241564A (ja) 1996-09-17
TW444195B (en) 2001-07-01
CN1095160C (zh) 2002-11-27
US5703858A (en) 1997-12-30
AT404644B (de) 1999-01-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee