FR2855901B1 - Lecteur/enregistreur de disque optique multipiste - Google Patents

Lecteur/enregistreur de disque optique multipiste

Info

Publication number
FR2855901B1
FR2855901B1 FR0306688A FR0306688A FR2855901B1 FR 2855901 B1 FR2855901 B1 FR 2855901B1 FR 0306688 A FR0306688 A FR 0306688A FR 0306688 A FR0306688 A FR 0306688A FR 2855901 B1 FR2855901 B1 FR 2855901B1
Authority
FR
France
Prior art keywords
multipister
recorder
optical disk
disk drive
optical
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.)
Expired - Fee Related
Application number
FR0306688A
Other languages
English (en)
Other versions
FR2855901A1 (fr
Inventor
Jean Claude Lehureau
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR0306688A priority Critical patent/FR2855901B1/fr
Priority to PCT/EP2004/050923 priority patent/WO2004107324A1/fr
Publication of FR2855901A1 publication Critical patent/FR2855901A1/fr
Application granted granted Critical
Publication of FR2855901B1 publication Critical patent/FR2855901B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24079—Width or depth
    • 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
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • 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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24076—Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
FR0306688A 2003-06-03 2003-06-03 Lecteur/enregistreur de disque optique multipiste Expired - Fee Related FR2855901B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0306688A FR2855901B1 (fr) 2003-06-03 2003-06-03 Lecteur/enregistreur de disque optique multipiste
PCT/EP2004/050923 WO2004107324A1 (fr) 2003-06-03 2004-05-26 Lecteur/enregistreur de disque optique multipiste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0306688A FR2855901B1 (fr) 2003-06-03 2003-06-03 Lecteur/enregistreur de disque optique multipiste

Publications (2)

Publication Number Publication Date
FR2855901A1 FR2855901A1 (fr) 2004-12-10
FR2855901B1 true FR2855901B1 (fr) 2006-04-07

Family

ID=33443114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0306688A Expired - Fee Related FR2855901B1 (fr) 2003-06-03 2003-06-03 Lecteur/enregistreur de disque optique multipiste

Country Status (2)

Country Link
FR (1) FR2855901B1 (fr)
WO (1) WO2004107324A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9100408A (nl) * 1991-03-07 1992-10-01 Philips Nv Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel.
JPH0696468A (ja) * 1992-09-14 1994-04-08 Canon Inc 光記録再生装置及び半導体レーザアレイ
US6567368B1 (en) * 1998-06-13 2003-05-20 Lg Electronics Inc. Optical recording medium and method and apparatus of reproducing the same
JP2000207747A (ja) * 1999-01-14 2000-07-28 Pioneer Electronic Corp 記録媒体、情報記録装置及び情報再生装置
JP2001101807A (ja) * 1999-10-01 2001-04-13 Pioneer Electronic Corp 光ディスク及び光ディスク再生装置
JP2002133663A (ja) * 2000-10-31 2002-05-10 Fujitsu Ltd 光ディスク記録方法及び光ディスク再生方法並びにその方法を利用した光記録媒体、光ディスク装置
AU2002253486A1 (en) * 2001-01-08 2002-08-28 Zen Research (Ireland), Ltd. Method and apparatus for writing multiple tracks of an optical disk

Also Published As

Publication number Publication date
FR2855901A1 (fr) 2004-12-10
WO2004107324A1 (fr) 2004-12-09

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20110228