CN100363992C - 物镜驱动装置、光学拾取器及光盘装置 - Google Patents

物镜驱动装置、光学拾取器及光盘装置 Download PDF

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Publication number
CN100363992C
CN100363992C CNB2006100010460A CN200610001046A CN100363992C CN 100363992 C CN100363992 C CN 100363992C CN B2006100010460 A CNB2006100010460 A CN B2006100010460A CN 200610001046 A CN200610001046 A CN 200610001046A CN 100363992 C CN100363992 C CN 100363992C
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CN
China
Prior art keywords
magnet
mentioned
coil
tracking
divided
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
CNB2006100010460A
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English (en)
Chinese (zh)
Other versions
CN1811932A (zh
Inventor
大熊英生
花冈早苗
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN1811932A publication Critical patent/CN1811932A/zh
Application granted granted Critical
Publication of CN100363992C publication Critical patent/CN100363992C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G11B7/09—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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
    • 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
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0933—Details of stationary parts
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
CNB2006100010460A 2005-01-17 2006-01-17 物镜驱动装置、光学拾取器及光盘装置 Expired - Fee Related CN100363992C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005009617A JP4148221B2 (ja) 2005-01-17 2005-01-17 対物レンズ駆動装置、光ピックアップ並びに光ディスク装置
JP2005009617 2005-01-17

Publications (2)

Publication Number Publication Date
CN1811932A CN1811932A (zh) 2006-08-02
CN100363992C true CN100363992C (zh) 2008-01-23

Family

ID=36698565

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100010460A Expired - Fee Related CN100363992C (zh) 2005-01-17 2006-01-17 物镜驱动装置、光学拾取器及光盘装置

Country Status (5)

Country Link
US (1) US20060168607A1 (enExample)
JP (1) JP4148221B2 (enExample)
KR (1) KR20060083889A (enExample)
CN (1) CN100363992C (enExample)
TW (1) TW200639841A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006066016A (ja) * 2004-08-30 2006-03-09 Mitsumi Electric Co Ltd 対物レンズ駆動装置
JP2008090920A (ja) * 2006-10-02 2008-04-17 Mitsumi Electric Co Ltd 光ピックアップアクチュエータ
JP4974850B2 (ja) * 2007-10-31 2012-07-11 シャープ株式会社 対物レンズ駆動装置および光ピックアップ装置
JP6103291B2 (ja) * 2011-09-30 2017-03-29 パナソニックＩｐマネジメント株式会社 光ピックアップ装置、光情報装置及び情報処理装置
JP2018129107A (ja) * 2017-02-08 2018-08-16 パナソニックＩｐマネジメント株式会社 レンズホルダ、対物レンズ駆動装置、光ピックアップ装置およびレンズホルダの製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10162394A (ja) * 1996-12-03 1998-06-19 Olympus Optical Co Ltd 対物レンズ駆動装置
JP2001101685A (ja) * 1999-09-27 2001-04-13 Sankyo Seiki Mfg Co Ltd 光ピックアップ装置
US20020001262A1 (en) * 2000-06-29 2002-01-03 Naotoshi Iwazawa Optical disk device and method capable of adjusting a tilt of an object lens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10162394A (ja) * 1996-12-03 1998-06-19 Olympus Optical Co Ltd 対物レンズ駆動装置
JP2001101685A (ja) * 1999-09-27 2001-04-13 Sankyo Seiki Mfg Co Ltd 光ピックアップ装置
US20020001262A1 (en) * 2000-06-29 2002-01-03 Naotoshi Iwazawa Optical disk device and method capable of adjusting a tilt of an object lens

Also Published As

Publication number Publication date
TWI305353B (enExample) 2009-01-11
CN1811932A (zh) 2006-08-02
TW200639841A (en) 2006-11-16
JP2006202348A (ja) 2006-08-03
JP4148221B2 (ja) 2008-09-10
US20060168607A1 (en) 2006-07-27
KR20060083889A (ko) 2006-07-21

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080123

Termination date: 20100219