WO2008149557A1 - 光ディスク装置およびレンズチルト制御方法 - Google Patents

光ディスク装置およびレンズチルト制御方法 Download PDF

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Publication number
WO2008149557A1
WO2008149557A1 PCT/JP2008/001440 JP2008001440W WO2008149557A1 WO 2008149557 A1 WO2008149557 A1 WO 2008149557A1 JP 2008001440 W JP2008001440 W JP 2008001440W WO 2008149557 A1 WO2008149557 A1 WO 2008149557A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical disc
disc device
control method
lens tilt
tilt control
Prior art date
Application number
PCT/JP2008/001440
Other languages
English (en)
French (fr)
Inventor
Takeshi Shimamoto
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/663,034 priority Critical patent/US8077565B2/en
Priority to JP2009517727A priority patent/JP5108881B2/ja
Priority to CN200880018844A priority patent/CN101681640A/zh
Publication of WO2008149557A1 publication Critical patent/WO2008149557A1/ja

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
    • 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
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

　本発明の光ディスク装置では、トラッキング制御非動作時に光スポットが横断した光ディスクのトラックの本数を所定の回転角度毎に測定してメモリに格納する。トラッキング制御動作時には、ディスク回転角度に対応したメモリの値に、ディスク回転速度に応じたゲインを掛けてレンズチルト駆動信号を生成することで、レンズシフトによって発生するＡＣチルトを補正する。
PCT/JP2008/001440 2007-06-06 2008-06-05 光ディスク装置およびレンズチルト制御方法 WO2008149557A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/663,034 US8077565B2 (en) 2007-06-06 2008-06-05 Optical disc device and lens tilt control method
JP2009517727A JP5108881B2 (ja) 2007-06-06 2008-06-05 光ディスク装置およびレンズチルト制御方法
CN200880018844A CN101681640A (zh) 2007-06-06 2008-06-05 光盘装置以及透镜倾斜控制方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-150218 2007-06-06
JP2007150218 2007-06-06
JP2007288379 2007-11-06
JP2007-288379 2007-11-06

Publications (1)

Publication Number Publication Date
WO2008149557A1 true WO2008149557A1 (ja) 2008-12-11

Family

ID=40093389

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001440 WO2008149557A1 (ja) 2007-06-06 2008-06-05 光ディスク装置およびレンズチルト制御方法

Country Status (5)

Country Link
US (1) US8077565B2 (ja)
JP (1) JP5108881B2 (ja)
KR (1) KR20100017623A (ja)
CN (1) CN101681640A (ja)
WO (1) WO2008149557A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012140832A1 (ja) * 2011-04-13 2012-10-18 パナソニック株式会社 光ディスク装置とその制御方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011118993A (ja) * 2009-12-04 2011-06-16 Sony Corp 記録装置、制御方法
DE112013001616T5 (de) * 2012-03-22 2014-12-24 Mitsubishi Electric Corporation Optik-Informations-Verarbeitungssvorrichtung und Optik-Informations-Verarbeitungsverfahren, sowie Einstellvorrichtung, Einstellverfahren und Einstellprogramm für Optik-Informations-Verarbeitungsvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714197A (ja) * 1993-06-29 1995-01-17 Matsushita Electric Ind Co Ltd アクチュエータ特性測定装置及びそれを使用した偏心補正装置
JP2004342314A (ja) * 2004-07-26 2004-12-02 Fujitsu Ltd 光学的記憶装置
JP2006134391A (ja) * 2004-11-02 2006-05-25 Sharp Corp 光ディスク装置のチルト制御装置
JP2006323907A (ja) * 2005-05-18 2006-11-30 Hitachi Media Electoronics Co Ltd 光ピックアップ装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3337538B2 (ja) * 1993-11-01 2002-10-21 パイオニアビデオ株式会社 光ディスク検査方法
KR100277420B1 (ko) * 1997-06-05 2001-01-15 모리시타 요이찌 광 디스크 장치 및 광 디스크 장치의 제어 파라미터 설정 방법
JP2001205856A (ja) 2000-01-26 2001-07-31 Nec Data Terminal Ltd ドットラインプリンタ
EP1262971B1 (en) * 2001-05-28 2009-07-29 Sharp Kabushiki Kaisha BER evaluation in an optical disk decoder by counting a number of signals after PRML having a likelihood below a threshold.
JP4613454B2 (ja) 2001-07-06 2011-01-19 パナソニック株式会社 光ピックアップ装置
US7054241B2 (en) * 2001-12-19 2006-05-30 Matsushita Electric Industrial Co., Ltd. Optical disc apparatus
ATE371928T1 (de) * 2002-12-10 2007-09-15 Koninkl Philips Electronics Nv Neigungsführung für eine datenleseanordnung
JP2005085307A (ja) * 2003-09-04 2005-03-31 Sony Corp 光ディスク駆動装置および方法、記録媒体、並びにプログラム
JP2007073089A (ja) 2005-09-05 2007-03-22 Toshiba Corp 光ディスク装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714197A (ja) * 1993-06-29 1995-01-17 Matsushita Electric Ind Co Ltd アクチュエータ特性測定装置及びそれを使用した偏心補正装置
JP2004342314A (ja) * 2004-07-26 2004-12-02 Fujitsu Ltd 光学的記憶装置
JP2006134391A (ja) * 2004-11-02 2006-05-25 Sharp Corp 光ディスク装置のチルト制御装置
JP2006323907A (ja) * 2005-05-18 2006-11-30 Hitachi Media Electoronics Co Ltd 光ピックアップ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012140832A1 (ja) * 2011-04-13 2012-10-18 パナソニック株式会社 光ディスク装置とその制御方法
US9047886B2 (en) 2011-04-13 2015-06-02 Panasonic Intellectual Property Management Co., Ltd. Optical disk device and method for controlling the same

Also Published As

Publication number Publication date
CN101681640A (zh) 2010-03-24
JP5108881B2 (ja) 2012-12-26
JPWO2008149557A1 (ja) 2010-08-19
US20100177620A1 (en) 2010-07-15
US8077565B2 (en) 2011-12-13
KR20100017623A (ko) 2010-02-16

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