NO20090496L - Fremgangsmate og anordning for gjenvinning av informasjon fra en optisk lagringsbaerer ved ulike lesehastigheter - Google Patents

Fremgangsmate og anordning for gjenvinning av informasjon fra en optisk lagringsbaerer ved ulike lesehastigheter

Info

Publication number
NO20090496L
NO20090496L NO20090496A NO20090496A NO20090496L NO 20090496 L NO20090496 L NO 20090496L NO 20090496 A NO20090496 A NO 20090496A NO 20090496 A NO20090496 A NO 20090496A NO 20090496 L NO20090496 L NO 20090496L
Authority
NO
Norway
Prior art keywords
storage carrier
optical storage
retrieving information
different read
read speeds
Prior art date
Application number
NO20090496A
Other languages
English (en)
Inventor
Johannes H M Spruit
Bas Feddes
Jacob G Nijboer
Paul Weijenbergh
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of NO20090496L publication Critical patent/NO20090496L/no

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
    • G11B7/005—Reproducing
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263—Power control during transducing, e.g. by monitoring

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

Den foreliggende oppfinnelse vedrører en fremgangsmåte og en leseanordning (1) for gjenvinning av informasjon fra en optisk lagringsbærer (10) i hvilken leseeffektnivået til en strålingsstråle (3) for skanning av den optiske lagringsbæreren blir satt i avhengighet av utlesningshastigheten. Oppfinnelsen vedrører også en lagringsbærer for bruk i en slik fremgangsmåte, og en leseanordning.
NO20090496A 2006-07-04 2009-01-30 Fremgangsmate og anordning for gjenvinning av informasjon fra en optisk lagringsbaerer ved ulike lesehastigheter NO20090496L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2006/052246 WO2008004032A1 (en) 2006-07-04 2006-07-04 Method and device for retrieving information from an optical record carrier at various reading speeds

Publications (1)

Publication Number Publication Date
NO20090496L true NO20090496L (no) 2009-01-30

Family

ID=37772644

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20090496A NO20090496L (no) 2006-07-04 2009-01-30 Fremgangsmate og anordning for gjenvinning av informasjon fra en optisk lagringsbaerer ved ulike lesehastigheter

Country Status (16)

Country Link
US (1) US8154965B2 (no)
EP (1) EP2041746B1 (no)
JP (1) JP4637964B2 (no)
KR (1) KR101240993B1 (no)
CN (1) CN101479793B (no)
AR (1) AR061821A1 (no)
AT (1) ATE525721T1 (no)
BR (1) BRPI0621795B1 (no)
DK (1) DK2041746T3 (no)
ES (1) ES2373974T3 (no)
IL (1) IL196288A (no)
MX (1) MX2008015443A (no)
NO (1) NO20090496L (no)
PL (1) PL2041746T3 (no)
TW (1) TWI433144B (no)
WO (1) WO2008004032A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007259817B2 (en) * 2006-06-12 2011-11-03 Panasonic Corporation Reading device and reading method for an optical data recording medium
US8339911B2 (en) * 2006-07-04 2012-12-25 Koninklijke Philips Electronics N.V. Method and device for retrieving information from an optical record carrier at various reading speeds

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014245A1 (fr) * 1991-02-05 1992-08-20 Sony Corporation Procede de reproduction de signaux dans un support d'enregistrement optique
JPH0863750A (ja) * 1994-08-18 1996-03-08 Hitachi Maxell Ltd 光ディスク装置
JPH09190669A (ja) * 1996-01-10 1997-07-22 Nikon Corp 情報再生装置及び光記録媒体の再生方法
JP3381500B2 (ja) * 1996-01-10 2003-02-24 株式会社ニコン 情報記録再生装置及び光記録媒体の再生方法
US6111841A (en) * 1996-01-10 2000-08-29 Nikon Corporation Apparatus for and method of controlling playback light intensity for an optical recording medium
JP3782223B2 (ja) * 1997-08-15 2006-06-07 株式会社リコー 光記録媒体及びこれの記録再生方法
US5974025A (en) * 1997-08-15 1999-10-26 Ricoh Company, Ltd. Optical recording medium and recording and reproducing method using the same
EP0957477A3 (en) * 1998-05-15 2003-11-05 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, recording and reproducing method therefor and optical information recording and reproduction apparatus
JP4277369B2 (ja) * 1999-06-18 2009-06-10 ソニー株式会社 光再生装置、光再生方法、光記録装置、および光記録方法、並びに記録媒体
JP3496628B2 (ja) * 2000-05-31 2004-02-16 ヤマハ株式会社 光ディスク記録方法および光ディスク記録装置
JP2003099948A (ja) 2001-09-27 2003-04-04 Tdk Corp 光記録媒体、光記録媒体の再生方法及び光記録媒体再生装置
JP4219108B2 (ja) 2002-01-23 2009-02-04 三洋電機株式会社 ディスク装置
KR100498444B1 (ko) * 2002-05-17 2005-07-01 삼성전자주식회사 디스크 드라이브의 레이저 파워 제어 장치 및 방법
JP2004046966A (ja) * 2002-07-11 2004-02-12 Ricoh Co Ltd 光情報記録媒体、記録条件決定方法、光情報記録装置及び情報処理装置
JP2006012226A (ja) * 2004-06-23 2006-01-12 Hitachi Ltd 記録方法及び光ディスク装置
TW200703325A (en) * 2005-03-29 2007-01-16 Hitachi Maxell Method for evaluating optical recording medium, optical recording medium, and information-recording/reproducing apparatus

Also Published As

Publication number Publication date
JP2009543261A (ja) 2009-12-03
PL2041746T3 (pl) 2012-02-29
IL196288A0 (en) 2009-09-22
WO2008004032A1 (en) 2008-01-10
EP2041746B1 (en) 2011-09-21
TW200816191A (en) 2008-04-01
DK2041746T3 (da) 2011-11-28
EP2041746A1 (en) 2009-04-01
KR101240993B1 (ko) 2013-03-08
ES2373974T3 (es) 2012-02-10
ATE525721T1 (de) 2011-10-15
KR20090031602A (ko) 2009-03-26
BRPI0621795A2 (pt) 2012-09-11
JP4637964B2 (ja) 2011-02-23
AR061821A1 (es) 2008-09-24
CN101479793A (zh) 2009-07-08
TWI433144B (zh) 2014-04-01
IL196288A (en) 2012-10-31
US20100165804A1 (en) 2010-07-01
US8154965B2 (en) 2012-04-10
CN101479793B (zh) 2011-11-09
BRPI0621795B1 (pt) 2018-08-28
MX2008015443A (es) 2008-12-18

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FC2A Withdrawal, rejection or dismissal of laid open patent application