ATE365365T1 - Verfahren und vorrichtung zur messung der neigung von einer optischen platte. - Google Patents

Verfahren und vorrichtung zur messung der neigung von einer optischen platte.

Info

Publication number
ATE365365T1
ATE365365T1 AT04719028T AT04719028T ATE365365T1 AT E365365 T1 ATE365365 T1 AT E365365T1 AT 04719028 T AT04719028 T AT 04719028T AT 04719028 T AT04719028 T AT 04719028T AT E365365 T1 ATE365365 T1 AT E365365T1
Authority
AT
Austria
Prior art keywords
optical disc
measuring
inclination
res
tilt
Prior art date
Application number
AT04719028T
Other languages
English (en)
Inventor
Sjoerd Stallinga
Ole Andersen
Juil Lee
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
Application granted granted Critical
Publication of ATE365365T1 publication Critical patent/ATE365365T1/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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • 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
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
AT04719028T 2003-03-24 2004-03-10 Verfahren und vorrichtung zur messung der neigung von einer optischen platte. ATE365365T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03100760 2003-03-24
EP04300060 2004-02-04

Publications (1)

Publication Number Publication Date
ATE365365T1 true ATE365365T1 (de) 2007-07-15

Family

ID=33099711

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04719028T ATE365365T1 (de) 2003-03-24 2004-03-10 Verfahren und vorrichtung zur messung der neigung von einer optischen platte.

Country Status (8)

Country Link
US (1) US7457217B2 (de)
EP (1) EP1609140B1 (de)
JP (1) JP2006521646A (de)
KR (1) KR20050114257A (de)
AT (1) ATE365365T1 (de)
DE (1) DE602004007118T2 (de)
TW (1) TW200501125A (de)
WO (1) WO2004086386A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007049893A1 (en) * 2005-10-24 2007-05-03 Lg Electronics Inc. An apparatus and method for recording/reproducing data on/from a recording medium
EP1964116A2 (de) * 2005-12-13 2008-09-03 Koninklijke Philips Electronics N.V. Verfahren zur linsenpositionierung für einen neigungsausgleich und vorrichtung zum auslesen und aufzeichnen von daten auf einer optischen platte
TW201225075A (en) * 2010-12-02 2012-06-16 Quanta Storage Inc Method for detecting obliquity of optical disc drive
WO2016185581A1 (ja) * 2015-05-20 2016-11-24 オリンパス株式会社 標本形状測定方法及び標本形状測定装置
JPWO2018092247A1 (ja) * 2016-11-17 2019-10-10 オリンパス株式会社 標本形状測定方法及び標本形状測定装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3447135B2 (ja) * 1995-02-02 2003-09-16 パイオニア株式会社 情報再生装置
JP3176544B2 (ja) * 1995-12-13 2001-06-18 株式会社日立製作所 光ディスク装置
US6304526B1 (en) * 1998-03-12 2001-10-16 Matsushita Electric Industrial Co., Ltd. Optical head
JP3619371B2 (ja) * 1998-08-31 2005-02-09 株式会社リコー 光ピックアップ装置及びそのチルト検出方法
US6545958B1 (en) * 1998-08-31 2003-04-08 Ricoh Company, Ltd. Optical-pickup device and tilt-detecting method thereof
TW440818B (en) * 1999-06-05 2001-06-16 Ind Tech Res Inst Device and method for obtaining and calibrating compact disk's tilt error signals
JP3674565B2 (ja) * 2001-09-25 2005-07-20 ティアック株式会社 光ディスク装置

Also Published As

Publication number Publication date
US7457217B2 (en) 2008-11-25
KR20050114257A (ko) 2005-12-05
WO2004086386A1 (en) 2004-10-07
EP1609140A1 (de) 2005-12-28
DE602004007118D1 (de) 2007-08-02
DE602004007118T2 (de) 2008-02-21
EP1609140B1 (de) 2007-06-20
JP2006521646A (ja) 2006-09-21
US20060250914A1 (en) 2006-11-09
TW200501125A (en) 2005-01-01

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties