DE602008001914D1 - Verfahren zur absichtlichen Verschlechterung des Inhalts eines optischen Datenträgers - Google Patents

Verfahren zur absichtlichen Verschlechterung des Inhalts eines optischen Datenträgers

Info

Publication number
DE602008001914D1
DE602008001914D1 DE602008001914T DE602008001914T DE602008001914D1 DE 602008001914 D1 DE602008001914 D1 DE 602008001914D1 DE 602008001914 T DE602008001914 T DE 602008001914T DE 602008001914 T DE602008001914 T DE 602008001914T DE 602008001914 D1 DE602008001914 D1 DE 602008001914D1
Authority
DE
Germany
Prior art keywords
marks
layers
contents
optical disc
power
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
DE602008001914T
Other languages
English (en)
Inventor
Berangere Hyot
Bernard Andre
Pierre Desre
Ludovic Poupinet
Patrick Chaton
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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 Commissariat a lEnergie Atomique CEA, Commissariat a lEnergie Atomique et aux Energies Alternatives CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of DE602008001914D1 publication Critical patent/DE602008001914D1/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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055—Erasing
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacturing Optical Record Carriers (AREA)
DE602008001914T 2007-04-06 2008-04-01 Verfahren zur absichtlichen Verschlechterung des Inhalts eines optischen Datenträgers Active DE602008001914D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0702562A FR2914774B1 (fr) 2007-04-06 2007-04-06 Procede de deterioration intentionnelle du contenu d'un support d'enregistrement optique

Publications (1)

Publication Number Publication Date
DE602008001914D1 true DE602008001914D1 (de) 2010-09-09

Family

ID=38657681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008001914T Active DE602008001914D1 (de) 2007-04-06 2008-04-01 Verfahren zur absichtlichen Verschlechterung des Inhalts eines optischen Datenträgers

Country Status (6)

Country Link
US (1) US7924690B2 (de)
EP (1) EP1978512B1 (de)
JP (1) JP2008257848A (de)
AT (1) ATE475966T1 (de)
DE (1) DE602008001914D1 (de)
FR (1) FR2914774B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2950727B1 (fr) * 2009-09-29 2012-02-17 Commissariat Energie Atomique Lecteur de disque optique en super-resolution et procede de lecture optimisee par mesure de reflectivite
FR2950726A1 (fr) * 2009-09-29 2011-04-01 Commissariat Energie Atomique Lecteur de disque optique en super-resolution et procede de lecture optimisee par mesure d'amplitude
JP6520137B2 (ja) * 2015-01-20 2019-05-29 セイコーエプソン株式会社 画像読取装置
CN108231093A (zh) * 2018-02-12 2018-06-29 天津天地伟业信息系统集成有限公司 一种实现嵌入式dvr和nvr光盘复制时抹音的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR700938A (fr) 1930-08-21 1931-03-09 Clayton Mark & Company Perfectionnements aux procédés et aux appareils pour la soudure électrique des tubes
JPH0729206A (ja) * 1993-07-08 1995-01-31 Hitachi Ltd 光記録媒体
US6404722B1 (en) * 2000-08-01 2002-06-11 Ritek Corporation Method of increasing recording density and capacity of a compact disc
KR100754166B1 (ko) * 2004-05-17 2007-09-03 삼성전자주식회사 초해상 정보 저장매체 및 그 정보 기록 및/또는 재생기기
KR100601700B1 (ko) * 2004-08-25 2006-07-14 삼성전자주식회사 초해상 정보 저장매체, 데이터 재생 방법 및 데이터 기록및/또는 재생 장치
WO2006135180A1 (en) * 2005-06-13 2006-12-21 Samsung Electronics Co., Ltd. Super resolution medium

Also Published As

Publication number Publication date
US7924690B2 (en) 2011-04-12
ATE475966T1 (de) 2010-08-15
EP1978512B1 (de) 2010-07-28
FR2914774A1 (fr) 2008-10-10
EP1978512A1 (de) 2008-10-08
JP2008257848A (ja) 2008-10-23
US20080259778A1 (en) 2008-10-23
FR2914774B1 (fr) 2009-05-15

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