FR2931009B1 - Systeme ameliore de lecture optique d'informations memorisees sur un support reflechissant - Google Patents

Systeme ameliore de lecture optique d'informations memorisees sur un support reflechissant

Info

Publication number
FR2931009B1
FR2931009B1 FR0853049A FR0853049A FR2931009B1 FR 2931009 B1 FR2931009 B1 FR 2931009B1 FR 0853049 A FR0853049 A FR 0853049A FR 0853049 A FR0853049 A FR 0853049A FR 2931009 B1 FR2931009 B1 FR 2931009B1
Authority
FR
France
Prior art keywords
reading information
improved system
optically reading
information memorized
reflecting support
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
FR0853049A
Other languages
English (en)
Other versions
FR2931009A1 (fr
Inventor
Philippe Hebert
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.)
Centre National dEtudes Spatiales CNES
Original Assignee
Centre National dEtudes Spatiales CNES
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 Centre National dEtudes Spatiales CNES filed Critical Centre National dEtudes Spatiales CNES
Priority to FR0853049A priority Critical patent/FR2931009B1/fr
Priority to PCT/FR2009/050814 priority patent/WO2009141552A2/fr
Publication of FR2931009A1 publication Critical patent/FR2931009A1/fr
Application granted granted Critical
Publication of FR2931009B1 publication Critical patent/FR2931009B1/fr
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
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
    • G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1446—Reducing contamination, e.g. by dust, debris
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
FR0853049A 2008-05-07 2008-05-07 Systeme ameliore de lecture optique d'informations memorisees sur un support reflechissant Active FR2931009B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0853049A FR2931009B1 (fr) 2008-05-07 2008-05-07 Systeme ameliore de lecture optique d'informations memorisees sur un support reflechissant
PCT/FR2009/050814 WO2009141552A2 (fr) 2008-05-07 2009-05-04 Systeme ameliore de lecture optique d'informations memorisees sur un support reflechissant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0853049A FR2931009B1 (fr) 2008-05-07 2008-05-07 Systeme ameliore de lecture optique d'informations memorisees sur un support reflechissant

Publications (2)

Publication Number Publication Date
FR2931009A1 FR2931009A1 (fr) 2009-11-13
FR2931009B1 true FR2931009B1 (fr) 2013-04-26

Family

ID=39672921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0853049A Active FR2931009B1 (fr) 2008-05-07 2008-05-07 Systeme ameliore de lecture optique d'informations memorisees sur un support reflechissant

Country Status (2)

Country Link
FR (1) FR2931009B1 (fr)
WO (1) WO2009141552A2 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744833A (en) * 1987-06-11 1988-05-17 International Business Machines Corporation Electrostatic removal of contaminants
US5024968A (en) * 1988-07-08 1991-06-18 Engelsberg Audrey C Removal of surface contaminants by irradiation from a high-energy source
WO1995007152A1 (fr) * 1993-09-08 1995-03-16 Uvtech Systems, Inc. Traitement de surfaces
FR2741989B3 (fr) * 1995-12-04 1998-01-09 Andre Yves Bernard Dispositif de lecture optique d'informations numeriques sur un support, notamment dispositif de lecture de disque a lecture laser
US20010050091A1 (en) * 1998-03-19 2001-12-13 Seagate Technology Llc Method apparatus of disc burnishing with a glide/burnish head
US6394105B1 (en) * 1998-03-19 2002-05-28 Seagate Technology, Inc. Integrated laser cleaning and inspection system for rigid thin film media for magnetic recording application
US6453496B1 (en) * 2000-07-25 2002-09-24 Anam Semiconductor, Inc. Apparatus for removing contaminant particles on a photomask
WO2003107345A1 (fr) * 2002-06-14 2003-12-24 Koninklijke Philips Electronics N.V. Dispositif permettant le balayage et le nettoyage d'un support d'informations

Also Published As

Publication number Publication date
WO2009141552A2 (fr) 2009-11-26
FR2931009A1 (fr) 2009-11-13
WO2009141552A3 (fr) 2010-02-18

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