TW200713250A - Objective lens driving device - Google Patents

Objective lens driving device

Info

Publication number
TW200713250A
TW200713250A TW095131231A TW95131231A TW200713250A TW 200713250 A TW200713250 A TW 200713250A TW 095131231 A TW095131231 A TW 095131231A TW 95131231 A TW95131231 A TW 95131231A TW 200713250 A TW200713250 A TW 200713250A
Authority
TW
Taiwan
Prior art keywords
driving
driving device
objective lens
lens support
tracking
Prior art date
Application number
TW095131231A
Other languages
English (en)
Other versions
TWI318401B (zh
Inventor
Fumihito Meguro
Miki Takada
Original Assignee
Sumida 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 Sumida Corp filed Critical Sumida Corp
Publication of TW200713250A publication Critical patent/TW200713250A/zh
Application granted granted Critical
Publication of TWI318401B publication Critical patent/TWI318401B/zh

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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • 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
    • G11B7/09—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
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
TW095131231A 2005-09-07 2006-08-25 Objective lens driving device TW200713250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005258873A JP2007073132A (ja) 2005-09-07 2005-09-07 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
TW200713250A true TW200713250A (en) 2007-04-01
TWI318401B TWI318401B (zh) 2009-12-11

Family

ID=37858930

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095131231A TW200713250A (en) 2005-09-07 2006-08-25 Objective lens driving device

Country Status (4)

Country Link
JP (1) JP2007073132A (zh)
KR (1) KR100804630B1 (zh)
CN (1) CN100449619C (zh)
TW (1) TW200713250A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5797571B2 (ja) * 2012-01-20 2015-10-21 日立コンシューマエレクトロニクス株式会社 光ピックアップ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3137255B2 (ja) * 1995-07-21 2001-02-19 船井電機株式会社 光学式ピックアップ装置
JPH11191231A (ja) * 1997-12-26 1999-07-13 Nhk Spring Co Ltd 対物レンズアクチュエータ
JP2000020984A (ja) * 1998-07-03 2000-01-21 Toshiba Corp 光学ヘッド装置及びディスク記録又は再生装置
CN1232963C (zh) * 2000-03-29 2005-12-21 松下电器产业株式会社 光学系统整体驱动型的光拾取器
CN1153193C (zh) * 2002-01-29 2004-06-09 清华大学 光盘光学头多维物镜驱动装置
KR20030085725A (ko) * 2002-05-01 2003-11-07 삼성전자주식회사 광픽업의 대물렌즈 구동장치
KR100472477B1 (ko) * 2002-09-02 2005-03-10 삼성전자주식회사 광픽업 액추에이터와 이를 채용한 광픽업장치 및, 이를채용한 광디스크 드라이브 장치
KR100522232B1 (ko) * 2003-12-24 2005-10-17 엘지전자 주식회사 슬림형 광 픽업 액츄에이터

Also Published As

Publication number Publication date
CN1929003A (zh) 2007-03-14
TWI318401B (zh) 2009-12-11
CN100449619C (zh) 2009-01-07
KR100804630B1 (ko) 2008-02-20
JP2007073132A (ja) 2007-03-22
KR20070028215A (ko) 2007-03-12

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees